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Page 5: Important Notice
IMPORTANT NOTICE Because of possible hazards to an inexperienced person servicing this product as well as the risk of damage to the product, Imagistics International Inc. strongly recommends that all servicing be performed only by Imagistics-trained service technicians. Changes may have been made to this product to improve its performance after this Service Manual was printed.
Page 6: Safety Warnings
DANGER : PROHIBITED ACTIONS • Using any cables or power cord not specified by Imagis- tics. • Using any fuse or thermostat not specified by Imagistics. Safety will not be assured, leading to a risk of fire and injury. • Disabling fuse functions or bridging fuse terminals with wire, metal clips, solder or similar object.
Page 7 • Check if the power cord is damaged. Check if the sheath is damaged. If the power plug, cord, or sheath are damaged, replace with a new power cord (with plug and connector on each end) specified by Imagistics. Using the damaged power cord may result in fire or electric shock.
Page 8 SAFETY AND IMPORTANT WARNING ITEMS cm3520 Service Manual WARNING: Power Plug and Cord • When using the power cord (inlet type) that came with this product, be sure to observe the following precautions: a. Make sure the connector is securely inserted in the inlet on the rear panel of the product.
Page 9 Service Manual SAFETY AND IMPORTANT WARNING ITEMS WARNING: Wiring • When an extension cord is required, use the one specified. Current that can flow in the extension cord is limited, so using an extension cord that is too long may result in fire.
Page 10 SAFETY AND IMPORTANT WARNING ITEMS cm3520 Service Manual CAUTION: Ventilation • The product generates ozone gas during operation, but it will not be harmful to the human body. If a bad smell of ozone is present in the following cases, ventilate the room.
Page 11 Service Manual SAFETY AND IMPORTANT WARNING ITEMS WARNING: Work Performed with the product Powered • Take every care when making adjustments or performing an operation check with the product powered. If you make adjustments or perform an operation check...
Page 12 SAFETY AND IMPORTANT WARNING ITEMS cm3520 Service Manual WARNING: Safety Checkpoints • Before disassembling or adjusting the write unit (P/H unit) incorporating a laser, make sure that the power cord has been disconnected. The laser light can enter your eye, leading to a risk of loss of eyesight.
Page 13 Service Manual SAFETY AND IMPORTANT WARNING ITEMS WARNING: HANDLING OF CONSUMABLES • Toner and developer are not harmful substances, but care must be taken not to breathe excessive amounts or let the substances come into contact with eyes, etc. It may be stimulative.
Page 14 Service Manual [3] MEASURES TO TAKE IN CASE OF AN ACCIDENT If an accident has occurred, the local Imagistics district office must be notified so that immediate emergency measures can be taken to provide relief to affected persons and to prevent further damage.
Page 15: Indication Of Warning On The Machine
Service Manual SAFETY AND IMPORTANT WARNING ITEMS INDICATION OF WARNING ON THE MACHINE Caution labels shown are attached in some areas on/in the machine. When accessing these areas for maintenance, repair, or adjustment, special care should be taken to avoid burns and electric shock.
Page 16 SAFETY AND IMPORTANT WARNING ITEMS cm3520 Service Manual Do not throw into a fire 4036fsS002c0 High voltage High voltage 4036fsS003c0 S-12...
Page 17: Table Of Contents
Field Service Manual CONTENTS General System Configuration ................... 1-1 Product Specifications..................1-3 Type ........................1-3 Functions ......................1-3 Types of Paper ....................1-4 Maintenance ...................... 1-4 Machine Specifications ..................1-4 Operating Environment..................1-4 Built-In Controllers ..................... 1-5 Maintenance Periodical Check ....................2-1 Service Schedule....................
Page 18 Field Service Manual 1.5.14 Cleaning of the Original Glass ..............2-19 1.5.15 Cleaning of the CCD Sensor ..............2-19 1.5.16 Replacing the Waste Toner Bottle .............. 2-20 1.5.17 Cleaning of the Area Around the Waste Toner Collecting Port....2-21 1.5.18 Replacing Ozone Filter................
Page 19 Field Service Manual 4.3.6 Original Glass/IR Front Cover..............2-44 4.3.7 Control Panel ....................2-44 4.3.8 Tray 1 ......................2-45 4.3.9 Tray 2 ......................2-46 4.3.10 Scanner Motor Drive Board ................ 2-46 4.3.11 CCD Unit ....................2-47 4.3.12 Image Processing Board ................2-48 4.3.13 Control Board .....................
Page 20 Field Service Manual 4.3.43 Fusing Pressure Roller Pressure/Retraction Motor........2-83 4.3.44 Cleaning Brush Motor ................2-86 4.3.45 AIDC/Registration Sensor/1,2 ..............2-87 4.3.46 LPH ......................2-88 4.3.47 ATDC Sensor Y/M/C................... 2-92 Mount the Optional Original Size Detecting Sensors ........2-93 Option Counter ....................
Page 21 Field Service Manual 3.12 Settings in Volume Track (E. K. C.) ..............3-20 3.12.1 Volume Track Mode (E. K. C.)..............3-20 3.12.2 Volume Track Setting (E. K. C.) ..............3-20 3.12.3 Volume Track Data (E. K. C.) ..............3-20 3.13 Settings in Printer Setting ................
Page 22 Field Service Manual 4.4.1 Fuser Nip....................3-43 4.4.2 Fuser Temp....................3-43 4.4.3 Fuser Speed....................3-44 4.4.4 Org. Detect Sensor..................3-44 4.4.5 PRT Area....................3-45 4.4.6 IR Area ....................... 3-49 4.4.7 Loop Adjust ....................3-52 4.4.8 Color Shift Correction ................. 3-53 4.4.9...
Page 23 Field Service Manual 4.8.10 Reprint ......................3-72 4.8.11 Hard Disk....................3-73 4.8.12 Display PM Parts Lifetime................3-73 4.8.13 LCT Paper Size ..................3-73 4.8.14 Chinese Paper Size ..................3-73 4.8.15 US Zoom Setting ..................3-73 Admin. Password Initialize ................3-74 4.10 Settings in Counter ..................
Page 24 Field Service Manual 4.14 ADF Check ...................... 3-94 4.14.1 Original Stop Position ................. 3-94 4.14.2 Registration Loop ..................3-94 4.14.3 Auto Adjust Stop Position ................3-94 4.14.4 Paper Passage ................... 3-94 4.14.5 I/O Check ....................3-94 4.14.6 Tray Width Adjust..................3-94 4.14.7 Sensor Auto Adjust..................
Page 25 Field Service Manual IV Troubleshooting Jam Display ......................4-1 Misfeed Display....................4-1 1.1.1 Misfeed Display Resetting Procedure............4-1 Sensor Layout....................4-2 1.2.1 System Mounted with 9991 and 9992 ............4-2 1.2.2 System Mounted with 9991 and 9994 ............4-3 Solution......................
Page 26 Field Service Manual Solution ......................4-27 2.6.1 C0000: Main Motor's Failure to Turn ............4-27 2.6.2 C0001: Main Motor Turning at Abnormal Timing........4-27 2.6.3 C0016: Bk PC Motor Failure to Turn ............4-28 2.6.4 C0017: Bk PC Motor Turning at Abnormal Timing ........4-28 2.6.5...
Page 27 Field Service Manual 2.6.37 C0960: Manual Bypass Paper Lifting Failure..........4-37 2.6.38 C0F30: Abnormally Low Toner Density Detected Cyan ATDC Sensor..4-38 2.6.39 C0F32: Abnormally Low Toner Density Detected Magenta ATDC Sensor . 4-38 2.6.40 C0F34: Abnormally Low Toner Density Detected Yellow ATDC Sensor ..4-38 2.6.41 C0F31: Abnormally High Toner Density Detected Cyan ATDC Sensor ..
Page 28 Field Service Manual 2.6.74 C12C3: Hard Disk Error 3 ................4-44 2.6.75 C12C4: Hard Disk Error 4 ................4-44 2.6.76 C12C5: Hard Disk Error 5 ................4-44 2.6.77 C12C6: Hard Disk Error 6 ................4-44 2.6.78 C12C7: Hard Disk Error 7 ................4-44 2.6.79 C12C8: Hard Disk Error 8 ................
Page 29 Field Service Manual 3.4.1 ADF ......................4-50 3.4.2 Optional Paper Feed Cabinet ..............4-50 3.4.3 Finisher....................... 4-51 3.4.4 Duplex......................4-51 Image Quality Problem..................4-52 How to Read Element Date ................4-52 4.1.1 Table # ......................4-52 4.1.2 Level History 1 .................... 4-53 4.1.3...
Page 30 Field Service Manual 4.3.24 Printer Monocolor: 0.5-mm-Pitch Uneven Image ........4-82 4.3.25 Printer Monocolor: 2-mm-Pitch Uneven Image .......... 4-83 4.3.26 Printer Monocolor: 94-mm-Pitch Uneven Image ........4-84 4.3.27 Printer 4-Color: White Lines in FD, White Bands in FD, Colored Lines in FD, and Colored Bands in FD ......... 4-85 4.3.28 Printer 4-Color: White Lines in CD, White Bands in CD,...
Page 31 Field Service Manual Main Unit......................5-23 9990 RADF ...................... 5-24 3.2.1 1-Sided Mode ..................... 5-24 3.2.2 Mixed Original Detection Mode ..............5-28...
Page 32 Field Service Manual...
Page 33: System Configuration
Field Service Manual System Configuration I General System Configuration 1/2 System Front View [11] [12] [13] [10] Machine Job Separator (CM3500010) Automatic Duplex Unit (9991) Saddle Stitch Finisher (9996) Paper Feed Cabinet (9994) [10] Punch Kit for 9996 (CM3100010)
Page 34 System Configuration cm3520 Field Service Manual 2/2 System Rear View [10] [11] Machine Local Interface Kit* Vendor Kit* (South Central America, North Mechanical Counter* America, Europe Only) Data Terminal* (South Central America, Key Counter Kit* North America Only) Dehumidifier Heater*...
Page 35: Product Specifications
Field Service Manual Product Specifications Product Specifications Type Type Desktop-type printer integrated with scanner Copying System Electrostatic dry-powdered image transfer to plain paper Printing Process Tand type indirect electrostatic recording system PC Drum Type OPC (organic photo conductor) Scanning Density Equivalent to 600 dpi Equivalent to 600 dpi in main scanning direction ×...
Page 36: Types Of Paper
Product Specifications cm3520 Field Service Manual Exposure Lamp White rare-gas fluorescent lamp 30 W Types of Paper Paper Source Tray1 Tray2 Multiple Bypass ❍ ❍ ❍ Plain paper (60 to 90 g/m Translucent paper – – – OHP transparencies –...
Page 37: Built-In Controllers
Field Service Manual Product Specifications Built-in Controllers Printer Driver PCL5c printer driver Scan Driver TWAIN driver OS Compatibility Windows 98/Me, Windows NT/2000/XP, Windows Server 2003 Interface Ethernet 10/100BaseTX NOTE • These specifications are subject to change without notice.
Page 38: Blank Page
Product Specifications cm3520 Field Service Manual Blank page...
Page 39: Ii Maintenance
Field Service Manual Periodical Check II Maintenance Periodical Check Service Schedule Guarantee period (5-year or 800,000 prints) × 10,000-print Per cycle × print Number number of times 6 12 15 18 20 24 30 36 40 42 45 48 54 60 66 72 75 Upon each call ●...
Page 40: Maintenance Call (Per 60,000-Print)
Periodical Check cm3520 Field Service Manual 1.2.2 Maintenance call (per 60,000-print) Number of Lubrica- Descrip- Class Parts to be replaced Check Clean Replace personnel tion tions Paper take-up and ● image conditions Overall ● ● Appearance ● Synchronizing Roller ●...
Page 41: Periodical Parts Replacement 3 (Per 300,000-Print)
Field Service Manual Periodical Check 1.2.5 Periodical parts replacement 3 (per 300,000-print) Number of Lubri- Class Parts to be replaced Check Clean Replace Descriptions personnel cation Paper take-up and ● image conditions Overall ● ● Appearance ● Pick-up Roller ●...
Page 42: Maintenance Parts
Periodical Check cm3520 Field Service Manual Maintenance parts • To ensure that the machine produces good copies and to extend its service life, it is rec- ommended that the maintenance jobs described in this schedule be carried out as instructed.
Page 43 Field Service Manual Periodical Check B. Option Ref.Page Class Maintenance parts Clean Replace Descriptions in this manual Pick-up Roller 50 k 200 K Replace those Paper Take-up Roller 50 k 200 K three parts at the same time. *1...
Page 44: Concept Of Parts Life
Periodical Check cm3520 Field Service Manual Concept of parts life Life value Max. number of Description (Specification printed pages value) A waste toner full condition is detected when about Waste Toner 8,000 printed pages have been produced after a –...
Page 45 Field Service Manual Periodical Check A. Conditions for Life Specifications Values • The life specification values represent the number of copies made or figures equivalent to it when given conditions (see the Table given below) are met. They can be more or less depending on the machine operating conditions of each individual user.
Page 46: Maintenance Procedure (Periodical Check Parts)
Periodical Check cm3520 Field Service Manual Maintenance procedure (Periodical check parts) NOTE • The alcohol described in the cleaning procedure of Maintenance represents the isopropyl alcohol. 1.5.1 Paper Take-up Roller A. Cleaning Procedure 1. Slide out the Tray 1. 2. Using a soft cloth dampened with alcohol, wipe the Paper Take-Up Roller [1] clean of dirt.
Page 47: Separation Roller 2
Field Service Manual Periodical Check 3. Using a soft cloth dampened with alcohol, wipe the Separation Roller [3] clean of dirt. 4036fs2014c1 B. Replacing Procedure 1. Slide out the Tray 1. 2. Remove two screws [1] and the Sep- aration Roller mounting bracket Assy [2] and two reinforcement plates [3].
Page 48 Periodical Check cm3520 Field Service Manual 4. Open the Vertical transport door. 5. Remove two Claws [3] and the Verti- cal transport door [4]. 4036fs2019c0 6. Remove two Screws [5], and remove the Jam processing cover [6]. 4036fs2020c1 7. Remove two Screws [7] and the Sep- aration Roller 2 installation plate Assy [8].
Page 49: Paper Take-Up Roller
Field Service Manual Periodical Check B. Replacing Procedure 1. Remove the Separation Roller 2 installation plate Assy. ☞ See the procedures 1 to 7 in 2-9 “Cleaning of Separation Roller”. 2. Remove two C-rings [1] and the Shaft [2], and remove the Separation Roller fixing plate Assy [3].
Page 50 Periodical Check cm3520 Field Service Manual 3. Remove two Screws [3] and Connec- tor [4], and remove the Paper Take- up Roller Assy [5]. 4036fs2024c1 4. Remove two Screws [6] and the Installation flame [7] of the Separa- tion Roller 2 installation plate Assy.
Page 51 Field Service Manual Periodical Check 7. Remove the C-ring [13] and Gear [14] while sliding out the Shaft Assy [12] in the direction indicated in left figure. [12] [14] [13] 4036fs2028c2 8. Remove the C-ring [15] and Bushing [16], and remove the Shaft Assy [17].
Page 52: Pick-Up Roller
Periodical Check cm3520 Field Service Manual 1.5.5 Pick-up Roller A. Cleaning Procedure 1. Remove the Separation Roller 2 installation plate Assy. ☞ See the procedures 1 to 7 in 2-9 “Cleaning of Separation Roller 2”. 2. Using a soft cloth dampened with alcohol, wipe the Pick-up Roller [1].
Page 53: Transport Roller
Field Service Manual Periodical Check 5. Remove two Screws [8] and Paper Take-up Roller cover [9]. 4036fs2026c1 6. Remove two C-rings [10] and two [10] Bushings [11], and remove the Pick- [12] up Roller Assy [12]. [11] [11] 4036fs2597c1 7.
Page 54: Cleaning Of Synchronizing Roller
Periodical Check cm3520 Field Service Manual 1.5.7 Cleaning of Synchronizing Roller 1. Open the Right Door. 2. Remove the Paper Dust Remover. ☞ See 2-16 for Replacing the Paper Dust Remover. 3. Using a soft cloth dampened with alcohol, wipe the Synchronizing Roll- ers [1] clean of dirt.
Page 55: Cleaning Of Transport Roller
Field Service Manual Periodical Check 1.5.9 Cleaning of Transport Roller 1. Open the Right Door. 2. Using a soft cloth dampened with alcohol, wipe the Transport Roller [1] clean of dirt. 4036fs2519c0 1.5.10 Cleaning of 2nd Image Transfer Entrance Upper Guide 1.
Page 56: Cleaning Of The Mirrors (1St/2Nd/3Rd)
Periodical Check cm3520 Field Service Manual 4. Using a soft cloth dampened with alcohol, wipe the Scanner Rails [4] clean of dirt. NOTE • Apply lubricant after cleaning. 4036fs2506c0 1.5.12 Cleaning of the Mirrors (1st/2nd/3rd) 1. Remove the Original Glass.
Page 57: Cleaning Of The Original Glass
Field Service Manual Periodical Check 1.5.14 Cleaning of the Original Glass 1. Using a soft cloth dampened with alcohol, wipe the Original Glass [1] clean of dirt. 4036fs2508c0 1.5.15 Cleaning of the CCD Sensor 1. Remove the Original Glass.
Page 58: Replacing The Waste Toner Bottle
Periodical Check cm3520 Field Service Manual 1.5.16 Replacing the Waste Toner Bottle NOTES • If a Finishing Option is installed, remove if from the Main Unit before trying to replace the Waste Toner Bottle. • When removing the Finishing Option, support the Horizontal Transport Unit with your hand to prevent if from dropping.
Page 59: Cleaning Of The Area Around The Waste Toner Collecting Port
Field Service Manual Periodical Check 1.5.17 Cleaning of the Area around the Waste Toner Collecting Port 1. Open the Rear Left Cover. 2. Remove the Waste Toner Bottle [1]. 4036fs2045c1 3. Wipe the areas around the Waste Toner Collecting Port clean of spilled toner and dirt using a soft cloth dampened with water or alcohol.
Page 60: Cleaning Lph Assy
Periodical Check cm3520 Field Service Manual 1.5.20 Cleaning LPH Assy NOTE • After the Imaging Unit has been removed from the main unit, be sure to place it in the plastic bag (black) or wrap it in a light shielding cloth, and store it in a dark place.
Page 61: Replacing The 2Nd Image Transfer Roller Unit
Field Service Manual Periodical Check 1.5.22 Replacing the 2nd Image Transfer Roller Unit NOTES • If a Finishing Option is installed, remove it from the main unit before trying to replace the Waste Toner Bottle. • When removing the Finishing Option, support the horizontal transport unit with your hand to prevent if from dropping.
Page 62: Image Transfer Belt Unit
Periodical Check cm3520 Field Service Manual 1.5.23 Image Transfer Belt Unit A. Cleaning Procedure 1. Remove the Image Transfer Belt Unit. ☞ 2-24 2. Using a dried soft cloth, wipe the Transfer belt. NOTES • If it is difficult to clean with dried...
Page 63 Field Service Manual Periodical Check 5. Open the Left Door. 6. Grasp the handle, and remove the waste toner bottle [3]. NOTES • Raise the waste toner bottle gently before removing it. • If scattered toner has accumulated in the vicinity of the toner collecting...
Page 64: Replacing The Imaging Unit (C, M, Y, Bk)
Periodical Check cm3520 Field Service Manual 3. Hold the handle and install the Waste Toner Bottle [3] in position. 4. Close the Left Door. 5. Close the Right Door. NOTE • Make sure that the door is locked in position both at front and rear.
Page 65 Field Service Manual Periodical Check B. Reinstallation Procedure 1. Remove the Imaging Unit from its plastic bag. 2. Tilt the Imaging Unit [1] to the left and shake it a small stroke in the tilt direction twice. Then, tilt it to the right and shake it a small stroke in the tilt direction twice.
Page 66 Periodical Check cm3520 Field Service Manual 4. Pull out the PC Drum protective sheet [3] while pressing the IU. NOTE • Pull out the PC Drum protective sheet half way, and pull it down slantwise. 4036fs2582c0 5. Close the Imaging Unit Locking Lever [4] while pressing the IU.
Page 67: Replacing The Fusing Unit
Field Service Manual Periodical Check 1.5.25 Replacing the Fusing Unit NOTE • Before replacing the Fusing Unit, ensure that it has had time to cool down. 1. Turn OFF the main switch and unplug the power cord from the power outlet, then wait for about 20 minutes.
Page 68: Service Tool
Service tool cm3520 Field Service Manual Service tool CE Tool list Tool name Shape Personnel Remarks Scanner Drive Cable Holding Jig 4036fs2001c0 LED Cleaning Jig 4036fs2002c0 LED Cleaning Jig Pad 4036fs2003c0 LPH Assy Mounting Jigs 4036fs2004c0 Color chart 4036fs2577c0 2-30...
Page 69: Copy Materials
Field Service Manual Service tool Copy materials 2.2.1 Imaging Unit Single Parts (IU) Parts name Replacing period IU Black 80,000 copies IU Yellow 50,000 copies IU Magenta 50,000 copies IU Cyan 50,000 copies ☞ For the predetermined conditions, see 2-7.
Page 70: Firmware Upgrade
Firmware upgrade cm3520 Field Service Manual Firmware upgrade Preparations for Firmware rewriting 3.1.1 Service environment • OS: Windows2000 • Drive which enables writing/reading of Compact flash • Compact flash (with 64MB or more) 3.1.2 Application to be used • Cygwin (Free software) 3.1.3...
Page 71: Writing Into The Compact Flash
Field Service Manual Firmware upgrade 5. Set the following two values as the Windows Environmental Variable. Variable name Variable value CYGWIN ntsec HOME /home/username 4036fs2621e0 3.1.4 Writing into the Compact flash 1. Put the data of Firmware in the optional directory. (C:\TSS2 in the below figure)
Page 72 Firmware upgrade cm3520 Field Service Manual 3. Mount the Compact flash on the PC, and check the Drive name, which was recognized in the Windows. (F-Drive in the following figure) 4036fs2623e0 → → → 4. Click “Start” “Program” “Accessories” “Command prompt” to open the Com- mand prompt.
Page 73: Firmware Rewriting
Field Service Manual Firmware upgrade Firmware rewriting • The F/W is updated using the Compact flash. 3.2.1 Updating method NOTE • NEVER remove or insert the Compact Flash card with the machine power turned 1. With the Power Switch in the OFF position, unplug the power cord from the power outlet.
Page 74: Action When Data Transfer Fails
Firmware upgrade cm3520 Field Service Manual 3.2.2 Action When Data Transfer Fails • If “NG” appears on the Touch Panel, indicating that rewriting has been unsuccessful (in which case the Start key lights up red), take the following steps. 1. Perform the data rewriting procedure again.
Page 75: Other
Field Service Manual Other Other Disassembly/Adjustment prohibited items A. Paint-locked Screws NOTE • Paint-locked screws show that the assembly or unit secured can only be adjusted or set at the factory and should not be adjusted, set, or removed in the field.
Page 76: Disassembly/Assembly List (Other Parts)
Other cm3520 Field Service Manual Disassembly/Assembly list (Other parts) Section Part name Ref.Page ☞ Original Glass 2-44 ☞ IR Upper Right Cover 2-43 ☞ Control Panel 2-44 ☞ IR Front Cover 2-44 ☞ IR Upper Front Cover 2-43 ☞ IR Left Cover 2-41 ☞...
Page 77 Field Service Manual Other Section Part name Ref.Page ☞ Multi Bypass Unit 2-59 ☞ Unit Hopper Unit 2-60 ☞ LPH Unit 2-62 ☞ Scanner Motor 2-64 ☞ Scanner Assy 2-66 ☞ Scanner Wire 2-67 ☞ PWB Box 2-74 ☞...
Page 78: Disassembly/Assembly Procedure
Other cm3520 Field Service Manual Disassembly/Assembly procedure 4.3.1 IR Right Cover/Front Right Cover/Bypass Right & Left Cover 4036fs2050c1 1. Remove four Screws [1], and remove the IR Right Cover [2]. 2. Remove the Panel Cover. ☞ 2-42 3. Remove the Screw [3], and remove the Front Right Cover [4].
Page 79: Exit Tray/Ir Left Cover/Rear Left Cover/Left Front Cover
Field Service Manual Other 4.3.2 Exit Tray/IR Left Cover/Rear Left Cover/Left Front Cover [10] 4036fs2167c1 1. Open the Front Door [1]. 2. Remove two Screws [2], and remove the Exit Tray [3]. 3. Remove four Screws [4], and remove the IR Left Cover [5].
Page 80: Front Door/Panel Cover/Paper Setting Dial Cover
Other cm3520 Field Service Manual 4.3.3 Front Door/Panel Cover/Paper Setting Dial Cover 4036fs2168c1 1. Open the Front Door [1]. 2. Remove the Screw [2], and remove the Panel Cover [3]. 3. Pick up the Front Door [1] and remove it.
Page 81: Ir Upper Front Cover/Ir Upper Right Cover/Ir Upper Rear Cover
Field Service Manual Other [10] [12] [11] [13] [11] 4036fs2157c1 5. Remove five Screws [9], and remove the Rear Cover [10]. 6. Remove four Screws [11]. 7. Open the Right Door [12], and remove the Rear Right Cover [13].
Page 82: Original Glass/Ir Front Cover
Other cm3520 Field Service Manual 4.3.6 Original Glass/IR Front Cover 4036fs2159c2 1. Remove the IR Upper Right Cover. ☞ 2-43 2. Remove each Screw [1], and remove the Original Glass fixing bracket (near side/ inmost side) [2]. 3. Remove the Original Glass [3].
Page 83: Tray 1
Field Service Manual Other 2. Remove four Screws [2]. 4036fs2161c0 3. Remove the Flat Cable [3]. 4. Remove the Control Panel [4]. 4036fs2162c0 4.3.8 Tray 1 1. Slide out the Tray 1 [1]. 4036fs163c0 2. Slide out the Tray 1 [3] while press- ing the Slide Locks [2] at both ends.
Page 84: Tray 2
Other cm3520 Field Service Manual 4.3.9 Tray 2 1. Slide out the Tray 2 [1]. 4036fs165c0 2. Remove one Screw [2], and remove the Stopper [3]. 3. Slide out the Tray 2 while pressing the Slide Locks [4]. 4036fs166c1 4.3.10 Scanner Motor Drive Board 1.
Page 85: Ccd Unit
Field Service Manual Other 4.3.11 CCD Unit A. Removal Procedure 1. Remove the Original Glass. ☞ 2-44 2. Remove seven Screws [1], and remove the CCD Unit Cover [2]. 4036fs2613c0 3. Remove four Screws [3] and Flat Cable [4], and remove the CCD Unit [5].
Page 86: Image Processing Board
Other cm3520 Field Service Manual 4.3.12 Image Processing Board 1. Remove the Rear Cover and IR Right Cover. ☞ 2-42 2. Remove four Screws [1], and remove the IR Frame Protective Cover [2]. 4036fs2178c0 3. Remove seven Screws [3], and remove the Board Cover [4].
Page 87: Control Board
Field Service Manual Other 6. Remove six Screws [6] and two Bolts [7], and remove the Image Process- ing Board [8]. 4036fs2057c1 4.3.13 Control Board 1. Remove the Lower Rear Cover. ☞ 2-42 2. Remove all the Connectors on the Control Board.
Page 88: Mfp Control Board
Other cm3520 Field Service Manual Cautions in replacing the Control Board: • When Control Board (PWB-MC) is replaced, relocate the EEPROM (IC45). Mount the EEPROM (IC45) of old Control Board onto the new Control Board. 4036fs2591c0 NOTE • When the EEPROM (IC45) is mounted, precisely fit the direc- tions of each “A”.
Page 89 Field Service Manual Other 3. Remove two Connectors [3] and 13 Screws [4]. 4036fs2062c1 4. Remove five Screws [5]. 5. Remove two Screws [6] and two Bolts [7], and remove the Interface Cover [8]. 6. Remove the MFP Control Board Assy [9].
Page 90: High Voltage Unit/1
Other cm3520 Field Service Manual NOTE • When RAM IC (IC418) is mounted, precisely fit the directions of each “A”. 4036fs2599c0 4.3.15 High Voltage Unit/1 1. Remove the PWB Box. ☞ 2-74 2. Remove four Screws [1] and eight Connectors [2], and remove two Har- ness Rails [3].
Page 91: High Voltage Unit/2
Field Service Manual Other 4.3.16 High Voltage Unit/2 1. Remove the PWB Box. ☞ 2-74 2. Remove all the Connectors on the High Voltage Unit/2 [1]. 4036fs2068c1 3. Remove two Screws [2], and remove the High Voltage Unit/2 Assy [3].
Page 92: Tray 1 Paper Size Board
Other cm3520 Field Service Manual 4.3.17 Tray 1 Paper Size Board 1. Slide out the Tray 1. 2. Remove the PWB Box. ☞ 2-74 3. Remove the Connector [1] on the High Voltage Unit/2. 4. Remove two Screws [2] and Connec- tor [3], and remove the Tray1 Paper Size Board Assy [4].
Page 93 Field Service Manual Other 3. Unplug all connectors from the DC Power Supply. 4036fs2074c1 4. Remove seven Screws [3], and remove the DC Power Supply Assy [4]. 4036fs2075c1 5. Remove four Screws [5], and remove the Protective Cover [6].
Page 94: Led Drive Board
Other cm3520 Field Service Manual 6. Remove 12 Screws [7], and remove the DC power Supply [8]. 4036fs2077c1 4.3.19 LED Drive Board 1. Remove the LPH Unit. ☞ 2-62 2. Remove two screws [1], unplug the connector [2] each, and remove each guide Assy.
Page 95: Paper Type Board
Field Service Manual Other 4.3.20 Paper Type Board 1. Remove the Paper Setting Dial Cover. ☞ 2-42 2. Remove the Dial [1]. 4036fs2144c0 3. Remove the Screw [2], Connector [3], and Holder [4], and remove the Paper Type Board [5].
Page 96: Tray 2 Board
Other cm3520 Field Service Manual 4.3.22 Tray 2 Board 1. Remove the Tray 2 Rear Cover. ☞ 2-42 2. Remove all the Connectors on the Tray 2 Board. 4036fs2147c1 3. Remove four Screws [1], and remove the Tray 2 Board [2].
Page 97: Inverter Board
Field Service Manual Other 5. Remove the Lever [6], and remove the Tray 2 Paper Size Board [7]. 4036fs2151c0 4.3.24 Inverter Board 1. Remove the Scanner Assy. ☞ 2-66 2. Remove four Screws [1], Flat Cable [2] and Connector [3], and remove the Inverter Board [4].
Page 98: Toner Hopper Unit
Other cm3520 Field Service Manual 3. Remove the Screw [4], and remove the Bypass Left Cover [5]. 4036fs2080c1 4. Remove four Screws [6], and remove the Multi Bypass Unit [7]. 4036fs2081c1 4.3.26 Toner Hopper Unit 1. Open the Front Door.
Page 99 Field Service Manual Other 6. Remove two screws [3] and the Front Door Switch cover [4]. 4036fs2083c0 7. Remove two Terminals [5]. NOTE • For installation of Hopper Unit, con- nect the Terminals in the sequence of blue and then white from upper.
Page 100: Lph Unit
Other cm3520 Field Service Manual 4.3.27 LPH Unit 1. Open the Front Door. 2. Slide out the IU (C, M, Y, Bk). NOTE • After the IU has been pulled out, place the IU lock lever back into the locked posi- tion.
Page 101 Field Service Manual Other 8. Remove the Screw [6] and Connec- tor [7]. 4036fs2618c0 9. Remove the Connector [8]. 4036fs2089c2 10. Turning the IU (C, M, Y, Bk) drive hub [9], push it into the locked position (at four places).
Page 102: Scanner Motor
Other cm3520 Field Service Manual NOTES • After replacing the LPH Unit, be [12] sure to turn four Drive Hubs [12] to release locking. Proceeding with job while still being locked may accidently release the locking con- dition, thus damaging the Drive hub.
Page 103 Field Service Manual Other 4. Remove three screws [4] and the Scanner Motor Assy [5]. 4036fs2523c0 5. Remove two screws [6] and the Scanner Motor [7]. 4036fs2524c0 B. Reinstallation Procedure 1. Temporarily secure the Scanner Motor Assy [2] using three screws [1].
Page 104: Scanner Assy
Other cm3520 Field Service Manual 4.3.29 Scanner Assy 1. Remove the Original Glass. ☞ 2-44 2. Move the Scanner Assy [1] to the location shown and remove one mounting screw each at the front and rear end. 4036fs2092c2 NOTE • Do not remove the Scanner Posi- tioning Screws [2].
Page 105: Scanner Drive Cables
Field Service Manual Other 4.3.30 Scanner Drive Cables A. Removal Procedure 1. Remove the Rear Cover. ☞ 2-42 2. Remove the Control Panel. ☞ 2-44 3. Remove four Presser Bars [1] of Flat Cable. 4036fs2094c0 4. Remove the IR Front Cover.
Page 106 Other cm3520 Field Service Manual 12. Remove the screw [8] and the Scan- ner drive gear [9]. 4036fs2550c0 13. Snap off the C-clip [10] and remove the bushing [11] (front). [11] [10] 4036fs2551c0 14. Slide the shaft [12] toward the rear...
Page 107: Winding Of The Scanner Drive Cables
Field Service Manual Other 4.3.31 Winding of the Scanner Drive Cables <Overall figure> 4036fs2553c0 A. Reinstallation Procedure <Front> 1. Position the round bead [1] of the Scanner Drive Cable in the pulley [2] as shown. NOTE • Make sure that the bead snugly rests in the slit in the pulley.
Page 108 Other cm3520 Field Service Manual 3. Wind the hook end of the cable around the pulley five turns counter- clockwise, from the front toward the rear side. NOTE • Make sure that no part of the cable rides on the other.
Page 109 Field Service Manual Other 8. Slip the Cable Holding Jig [6] onto the pulley to secure the cable in posi- tion. 4036fs2561c0 9. Install the front and rear pulleys [7] and bushings [8] onto the shaft [9] and fit the C-clip [10].
Page 110 Other cm3520 Field Service Manual NOTE [17] [18] • Mount the Screw [16] in the direc- tion that is opposite against the direction for which Scanner Drive Gear [17] and Screw [18] are screwed together as shown in the left figure.
Page 111 Field Service Manual Other <Rear> [29] 17. Wind the bead end of the cable [29] around pulley F [30] and pulley E [32] [31] [31], then hook the bead [32] onto the Adjustable Anchor [33]. [30] [33] 4036fs2568c0 18. Wind the hook end of the cable [34]...
Page 112: Pwb Box
Other cm3520 Field Service Manual 4.3.32 PWB Box 1. Remove the Rear Right Cover, Rear Left Cover, Rear Cover and Upper Rear Cover. ☞ 2-41 2. Remove 12 Screws [1], and remove the Protective Shield [2]. 4036fs2061c1 3. Remove four Screws [3], and remove the Harness Protective Cover [4].
Page 113: Main Motor
Field Service Manual Other 8. Remove 11 Screws [10] and two Connectors [11], and remove the PWB Box [12]. [10] [10] [10] [11] [12] [10] 4036fs2099c2 4.3.33 Main Motor 1. Remove the PWB Box. ☞ 2-74 2. Remove the Connector [1] and three Screws [2], and remove the Main Motor [3].
Page 114: Toner Supply Motor C/Bk
Other cm3520 Field Service Manual 3. Remove two Shoulder screws [3] and two Connectors [4], and remove the Fan Assy [5]. 4036fs2102c2 4. Remove four Screws [6] and Con- nector [7], and remove the Fusing Drive Motor [8]. 4036fs2103c1 4.3.35 Toner Supply Motor C/Bk 1.
Page 115: Color Pc Drum Motor
Field Service Manual Other 3. Remove the Connector [3]. 4036fs2105c0 4. Remove two screws [4]. Then, turn the Toner Replenishing Motor Y/M [5] counterclockwise and take it off the machine. 4036fs2530c1 4.3.37 Color PC Drum Motor 1. Remove the PWB Box.
Page 116 Other cm3520 Field Service Manual Cautions when mounting the Color PC Drum Motor: • Before mounting the Color PC Drum Motor, be sure to check the assembled posi- tion of PC Gear. If its position is improper, make positioning adjustment.
Page 117: Color Developing Motor
Field Service Manual Other NOTE • When the Upper Frame Assy is removed, adjustment should be performed at hole A [1], hole B [2] and hole C [3] while the Color Developing Motor is being removed. 4036fs2612c0 4.3.38 Color Developing Motor 1.
Page 118: 1St Image Transfer Pressure/Retraction Motor
Other cm3520 Field Service Manual 4.3.40 1st Image Transfer Pressure/Retraction Motor 1. Remove the PWB Box. ☞ 2-74 2. Remove the High Voltage Unit/1. ☞ 2-52 3. Remove two Screws [1] and Connec- tor [2], and remove the Dust Suction Fan Assy [3].
Page 119: Intermediate Transport Motor
Field Service Manual Other 3. Remove four screws [2], unplug the connector [3], and remove the gear Assy [4] and motor Assy [5]. 4036fs2531c0 4. Remove two screws [6] and the 2nd Image Transfer Pressure/Retraction Motor [7]. 4036fs2532c0 4.3.42 Intermediate Transport Motor 1.
Page 120 Other cm3520 Field Service Manual 4. Remove three Screws [6], and remove the Holder [7]. 4036fs2114c0 5. Remove the C-ring [8], and remove the Gear 1 [9]. 4036fs2115c0 6. Remove the C-ring [10], and remove the Gear 2 [11]. [10]...
Page 121: Fusing Pressure Roller Pressure/Retraction Motor
Field Service Manual Other 9. Remove the Screw [16], and remove [17] [16] the Sensor Assy [17]. 4036fs2119c1 10. Remove two Screws [18], and remove the Intermediate Transport [19] Motor [19]. NOTES • Remove the Intermediate Transport Motor while its Harness is well fit [18] with the groove.
Page 122 Other cm3520 Field Service Manual 8. Remove two Screws [8], and remove the Harness Guide [9]. 4036fs2122c1 9. Remove four Screws [10]. [10] [10] 4036fs2124c1 10. Remove six Connectors [11]. [11] [11] [11] 4036fs2123c1 2-84...
Page 123 Field Service Manual Other 11. Remove the Gear [12]. [12] 4036fs2125c1 12. Remove the E-ring [13], and remove the Gear [14]. [14] NOTE • Use care not to miss the Shaft. [13] 4036fs2126c1 13. Remove the Screw [15], and remove the Wire Rail [16].
Page 124: Cleaning Brush Motor
Other cm3520 Field Service Manual 16. Remove the E-ring [19] and Shaft [20], and remove the Gear [21]. [19] [21] [20] 4036fs2130c1 17. Remove two E-rings [22], and remove the Cover [23]. [23] [22] 4036fs2131c1 18. Remove the E-ring [24], and remove the Gear [25].
Page 125: Aidc/Registration Sensor/1,2
Field Service Manual Other 3. Remove two Screws [2], and remove the Harness Holder [3]. 4036fs2135c0 4. Remove four Screws [4], and remove the Cleaning Brush Motor [5]. 4036fs2136c1 4.3.45 AIDC/Registration Sensor/1,2 1. Open the Front Door. 2. Remove the Panel Cover.
Page 126: Lph
Other cm3520 Field Service Manual 6. Open the Right Door. 7. Remove four screws [6] and the Syn- chronizing Roller entrance guide [7]. 4036fs2139c0 8. Remove three Screws [8] and Con- nector [9], and remove the AIDC/ [10] Registration Sensor/1 [10].
Page 127 Field Service Manual Other 3. Remove the three LPH mounting screws [3]. 4036fs2628c0 4. Peel off the seal [4], unlock [5] the LPH Assy, and remove the flat cable [6]. 5. Remove the LPH [7]. 6. Perform the same procedure for each of different colors of LPH.
Page 128 Other cm3520 Field Service Manual 1. Insert the flat cable [2] into the LPH [1] and lock the LPH [1]. 2. Affix the seal [3] that comes with the LPH Assy to the location shown on the left. NOTE • Failure to affix the seal could cause the flat cable to come off the LPH Assy.
Page 129 Field Service Manual Other 5. Align the markings [9] on the flat <LPH C/Bk> cable with the positions shown in the photo. 6. Install the Guide. NOTE • Make sure that no part of the flat cable is wedged in mechanisms or bent.
Page 130: Atdc Sensor Y/M/C
Other cm3520 Field Service Manual 11. Press the LPH Assy [16] down into the locked position. NOTES → • Select “Tech. Rep. Mode” → “Machine Adjust” “LPH Rank” and change the value of “LPH [16] Rank” to “1”. • When the LPH Unit has been rein- stalled, be sure to run “Stabilizer”...
Page 131: Mount The Optional Original Size Detecting Sensors
Field Service Manual Other Mount the optional original size detecting sensors NOTE • When an Original Size Detecting Sensor has been added, select “SET” in “Org. Detect Option Sensor” of “System Input” available from the “Tech. Rep. Mode” and run “Org. Detect Sensor” of “Machine Adjust.”...
Page 132: Option Counter
Other cm3520 Field Service Manual Option counter 4.5.1 Installation of The Mechanical Counter 1. Open the Front Door. 2. Remove the Panel Cover. ☞ 2-42 3. Remove the Screw [1], and remove the Front Right Cover [2]. 4036fs2571c0 4. Cut out the knockout [4] in the Front Right Cover [3].
Page 133: Installation Method For The Key Counter
Field Service Manual Other 7. Secure the mechanical counter [11] with the screw [10]. [11] [10] 4036fs2575c0 8. Mount the Connector [12] of [12] Mechanical Counter on the Relay [13] Connector [13] at main body side. 4036fs2576c0 4.5.2 Installation method for the Key Counter 1.
Page 134 Other cm3520 Field Service Manual 7. Using four screws [9], secure the Counter Mounting Bracket [8]. NOTE • Secure the Counter Mounting Bracket passing the connector into the bracket. 4036fs2587c0 8. Connect the Key Counter Socket connector [10]. 9. Using two screws [12], secure the [11] counter socket [11].
Page 135: Iii Adjustment/Setting
Field Service Manual How to use the adjustment section III Adjustment/Setting How to use the adjustment section • “Adjustment/Setting” contains detailed information on the adjustment items and proce- dures for this machine. • Throughout this section, the default settings are indicated by boldface.
Page 136: Adjustment Item List
Adjustment item list cm3520 Field Service Manual Adjustment item list Replacement Part/Service Job Adjustment/Setting Items ❍ Top Margin ❍ Left Margin PRT Area ❍ Dup. Margin Zoom for FD LPH Chip Adjust LPH Rank (Changes to 1) Top Margin Machine...
Page 137 Field Service Manual Adjustment item list ✽ This table shows the adjustment items that are required when a part of the machine has been replaced. Priority order, if applicable, during the adjustment procedures is indicated by the corresponding number in the circle.
Page 138: Utility Mode
Utility Mode cm3520 Field Service Manual Utility Mode Utility Mode function tree ✽ The function tree is shown to comply with the format displayed on the screen. ✽ : Displayed according to a given condition, such as Utility option installation.
Page 139: Administrator Mode Function Tree
Field Service Manual Utility Mode 3.1.1 Administrator Mode function tree Administrator Mode 1/2 ✽ The function tree is shown to comply with the format displayed on the screen. ✽ : Displayed according to a given condition, such as option installation.
Page 140 Utility Mode cm3520 Field Service Manual Administrator Mode 2/2 ✽ : Displayed according to a given condition, such as Admin. Mode option installation. TCP/IP Administrator Code NetWare Receive Send Print Common Setting Server 1 Server 2 E-mail/Internet ✽ Network Setting...
Page 141: Utility Mode Function Setting Procedure
Field Service Manual Utility Mode Utility Mode function setting procedure 3.2.1 Procedure 1. Press the Utility key. 2. The Utility mode screen will appear. 4036fs3033e0 3.2.2 Exiting • Touch the “Fin. Time” key. 3.2.3 Changing the setting value in Utility Mode functions •...
Page 142: Settings In The Store
Utility Mode cm3520 Field Service Manual Settings in the store 3.3.1 Reset Mode Functions • To register the copy mode functions or scanner mode functions ✽ The copier is initialized at the following timings: • The Power Switch is turned ON.
Page 143: User's Choice: 1
Field Service Manual Utility Mode User’s Choice: 1 3.6.1 A. Key Click Sound Functions • To select whether to enable or disable the click sound that sounds each time a key on the control panel is pressed. • To disable the key click sound Setting/Procedure •...
Page 144 Utility Mode cm3520 Field Service Manual Transferring to Power Save when job is in Held/Locked Jobs queue Functions • To select whether to transfer to Sleep when a job is set in Held/Locked Job queue • Use to cancel Sleep for a held or locked job Setting/Procedure •...
Page 145 Field Service Manual Utility Mode D. Intelligent Sorting Functions • To select whether to enable or disable the function that automatically switches between Sort and Non-Sort according to the number of originals and the number of copy sets to be made.
Page 146 Utility Mode cm3520 Field Service Manual C. 4in1 Copy Order Functions • To select the layout of copy images in the 4in1 mode. • To change the layout of copy images in the 4in1 mode Setting/Procedure • The default setting is as follows: default setting D.
Page 147: Copy Program Recall
Field Service Manual Utility Mode Copy program Recall Functions • To call up a program registered through Job Memory Input. • To call up a job program that the user has previously programmed and regis- tered Setting/Procedure • Select the program number.
Page 148 Utility Mode cm3520 Field Service Manual (4) Orientation Functions • To set the default orientation of the image used for the printer • To change the default value of the orientation of the image used for the printer Setting/Procedure • The default setting is Portrait.
Page 149: Report Types
Field Service Manual Utility Mode 3.9.2 Report Types Functions • To set the output of the various types of reports as they relate to the printer • To select the types of reports to be output as they relate to the printer Setting/Procedure •...
Page 150: 3.11 Settings In The Admin. Mode
Utility Mode cm3520 Field Service Manual 3.11 Settings in the Admin. Mode • Entering the 8-digit administrator number set in the Admin. Mode will allow you to enter the Admin. Mode (default value: 00000000). 3.11.1 Admin. Set. A. 1/4 (1) Top Erase Functions •...
Page 151 Field Service Manual Utility Mode B. 2/4 (1) Unauthorized Access Lock Functions • To select whether to enable or disable the unauthorized access lock function • If a wrong authentication number (Administrator Code or access #) is entered three times cumulatively (three consecutive times for the access # for Volume Track and print lock unlocking) with this function enabled, the machine deter- mines that it is an illegal access, nullifying the entry.
Page 152 Utility Mode cm3520 Field Service Manual (5) Box Function Functions • To select whether or not to use the Box function Box function: Stores image data in the hard disk box for later use • To prohibit the use of the Box function Setting/Procedure •...
Page 153 Field Service Manual Utility Mode (5) PSL Administrator Code Change Functions • To change the PSL Administrator Code • This function becomes available depending on the option installation. • To change the PSL Administrator Code required for entering the Admin. Mode Setting/Procedure •...
Page 154: Settings In Volume Track (E. K. C.)
Utility Mode cm3520 Field Service Manual 3.12 Settings in Volume Track (E. K. C.) 3.12.1 Volume Track Mode (E. K. C.) Functions • To select whether to enable or disable the Volume Track function. • To use the Volume Track function Setting/Procedure •...
Page 155: 3.13 Settings In Printer Setting
Field Service Manual Utility Mode 3.13 Settings in Printer Setting 3.13.1 Common Setting A. PDL Setting Functions • To set the default page description language (PDL) for the printer controller ✽ Only the PDLs mounted in the machine can be selected.
Page 156: Pcl Setting
Utility Mode cm3520 Field Service Manual 3.13.2 PCL Setting A. Overwrite A4 ←→ Letter Functions • To permit output of A4 instead of Letter, or vice versa • To produce an output of the same size from a document containing pages of both A4 and Letter Setting/Procedure •...
Page 157: 3.15 Settings In Network Setting
Field Service Manual Utility Mode 3.15 Settings in Network Setting 3.15.1 Common Setting A. TCP/IP (1) IP Address Functions • To set the IP address of the device used in the network • To enter the IP address of the device Setting/Procedure •...
Page 158: E-Mail/Internet
Utility Mode cm3520 Field Service Manual C. NetWare (1) Frame Type Functions • To set the frame type of Ethernet when the NetWare is used • To change the frame type Setting/Procedure • The default setting is Auto Detect Auto Detect 802.3...
Page 159 Field Service Manual Utility Mode B. Send (1) SMTP Server Functions • To set the address of the SMTP Server used in reception of email • To set the address of the SMTP Server Setting/Procedure • IP Address Version 4 format [0 to 255].
Page 160: Ftp Server
Utility Mode cm3520 Field Service Manual 3.15.3 FTP Server A. Server 1 (1) IP Address Functions • To set the address of the FTP Server used in Scan to Server • To set the address of the FTP Server Setting/Procedure • IP Address Version 4 format [0 to 255].
Page 161: Ldap
Field Service Manual Utility Mode 3.15.5 LDAP A. Network setting (1) LDAP Server Address Functions • To set the IP Address or DNS name of the LDAP Server • To set the IP Address or DNS name of the LDAP Server Setting/Procedure IP Address •...
Page 162: 3.16 Settings In Expert User Mode
Utility Mode cm3520 Field Service Manual (2) Login Name Functions • To set the logon name for the LDAP Server • Use to set the logon name for the LDAP Server Setting/Procedure • Up to 255 characters (alphanumeric characters and symbols) can be used.
Page 163: Color Shift Correction (Bk)
Field Service Manual Utility Mode 3.16.2 Color Shift Correction (Bk) Functions • To correct black color shift, if it occurs • Make Color Shift Corrections (cyan, magenta, and yellow) after this adjustment has been made. • To correct black color shift, if it occurs...
Page 164: Color Shift Correction (C, M, Y)
Utility Mode cm3520 Field Service Manual 3.16.3 Color Shift Correction (C, M, Y) Functions • To adjust color shift if there is any color shift as found through comparison of the copy with the original • Before making this adjustment, be sure to perform Color Shift Correction (Bk).
Page 165: Black Image Density Correction
Field Service Manual Utility Mode 3.16.4 Black Image Density Correction Functions • To fine-adjust the density of the printed image for a black copy • To vary the density of the printed image of a black copy Adjustment Range Lighter (2 steps), Std, Darker (2 steps) Adjustment If the black is light, touch the Darker key.
Page 166: Prt Area (Top Margin)
Utility Mode cm3520 Field Service Manual 3.16.6 PRT Area (Top Margin) Functions • To vary the print start position in the FD direction for each of different paper types in Tray1. • The LPH Unit has been replaced. • The paper type has been changed.
Page 167: Prt Area (Left Margin)
Field Service Manual Utility Mode 3.16.7 PRT Area (Left Margin) Functions • To vary the print start position in the CD direction for each paper source. • The LPH Unit has been replaced. • A paper feed unit has been added.
Page 168: Prt Area (Dup. Left Margin)
Utility Mode cm3520 Field Service Manual 3.16.8 PRT Area (Dup. Left Margin) Functions • To vary the print start position in the CD direction for each paper source in the 2- Sided mode. • The Automatic Duplex Unit has been set up.
Page 169: Center Staple Position
Field Service Manual Utility Mode 3.16.9 Center Staple Position Functions • To adjust the positions of center staple and folding for the Finisher. • Use when the center staple and folding positions deviate from the correct ones in the copies made using the Booklet function.
Page 170: 3.17 Gradation Adjustment
Utility Mode cm3520 Field Service Manual 3.17 Gradation Adjustment Functions • To make an automatic adjustment for an optimum gradation value based on the test pattern produced and the reading taken by the Scanner • Color reproduction performance becomes poor.
Page 171: Server Setting (Krds) / Server Setting (Rd)
Field Service Manual Utility Mode 3.18 Server Setting (KRDS) / Server Setting (RD) • Either “Server Setting (KRDS)” or “Server Setting (RD)” is selected according to the set Remote Diagnosis System. Detailed settings are the same between the two.
Page 172: Send
Utility Mode cm3520 Field Service Manual B. Mail Check Functions • To set whether or not to use Mail Check and the time interval for the POP3 server used for the Remote Diagnosis System for the standard controller • To select not to use Mail Check •...
Page 173: Tech. Rep. Mode
Field Service Manual Tech. Rep. Mode Tech. Rep. Mode Tech. Rep. Mode function setting procedure NOTE • Ensure appropriate security for Tech. Rep. mode function setting procedures. They should NEVER be shown to any unauthorized person not involved with ser- vice jobs.
Page 174: Touch Panel Adj
Tech. Rep. Mode cm3520 Field Service Manual Touch Panel Adj. Functions • To adjust the position of the Touch Panel display • Make this adjustment if the Touch Panel is slow to respond to a pressing action. • Use during the setup procedure.
Page 175: Tech. Rep. Mode Function Tree
Field Service Manual Tech. Rep. Mode Tech. Rep. Mode function tree ✽ The function tree is shown to comply with the format displayed on the screen. Tech. Rep. Mode Top Margin Left Margin Dup. Left Margin Zoom for FD...
Page 176 Tech. Rep. Mode cm3520 Field Service Manual Tech. Rep. Mode Marketing Area Org. Detect Option Sensor Serial # Input Tel. # Input FLS Paper Without Controller Book Erase (Center) System Input Controller 1 Peripheral Setting Controller 2 Unit Change Controller 3...
Page 177: Machine Adjust
Field Service Manual Tech. Rep. Mode Machine Adjust 4.4.1 Fuser Nip Functions • To check the Fusing Roller nip width. • When a fusing failure occurs. • When a blurred image or brush effect occurs. Check Range A: 9 ± 0.5 mm.
Page 178: Fuser Speed
Tech. Rep. Mode cm3520 Field Service Manual 4.4.3 Fuser Speed Functions • To adjust the speed of the Fusing Drive Motor so as to match the fusing speed with transport speed. • Brush effect or blurred image is evident as a result of changes in environmental conditions or degraded durability.
Page 179: Prt Area
Field Service Manual Tech. Rep. Mode 4.4.5 PRT Area A. Top Margin Functions • To vary the print start position in the FD direction for each of different paper types in Tray1. • The LPH Unit has been replaced.
Page 180 Tech. Rep. Mode cm3520 Field Service Manual B. Left Margin Functions • To vary the print start position in the CD direction for each paper source. • The LPH Unit has been replaced. • A paper feed unit has been added.
Page 181 Field Service Manual Tech. Rep. Mode C. Dup. Left Margin Functions • To vary the print start position in the CD direction for each paper source in the 2- Sided mode. • The Automatic Duplex Unit has been set up.
Page 182 Tech. Rep. Mode cm3520 Field Service Manual D. Zoom for FD Functions • To synchronize the paper transport speed with the image writing speed. • The CD-Mag. adjustment becomes necessary. • The image on the copy distorts (stretched, shrunk). • When the image on the copy is stretched in the FD direction.
Page 183: Ir Area
Field Service Manual Tech. Rep. Mode 4.4.6 IR Area • Use the following Color Chart for the adjustment of the Scanner Section. • If the Color Chart is not available, a scale may be used instead. • A: Left Image •...
Page 184 Tech. Rep. Mode cm3520 Field Service Manual B. Top Image Functions • To adjust variations in mounting accuracy and sensitivity of the Scanner Home Sen- sor and in mounting accuracy of the Original Width Scale by varying the scan start position in the CD direction.
Page 185 Field Service Manual Tech. Rep. Mode C. CD-Mag Functions • To adjust the zoom ratio in the CD direction for the Scanner Section • The CCD Unit has been replaced. Adjustment •Adjust so that width C on the sample copy Specification made falls within the specified range.
Page 186: Loop Adjust
Tech. Rep. Mode cm3520 Field Service Manual D. FD-Mag Functions • To adjust the zoom ratio in the FD direction for the Scanner Section • The Scanner Assy has been replaced. • The Scanner Motor has been replaced. • The Scanner Drive Cables have been replaced.
Page 187: Color Shift Correction
Field Service Manual Tech. Rep. Mode 4.4.8 Color Shift Correction A. Black Functions • To correct black color shift, if it occurs • Make Color Shift Corrections (cyan, magenta, and yellow) after this adjustment has been made. • To correct black color shift, if it occurs •...
Page 188 Tech. Rep. Mode cm3520 Field Service Manual B. Cyan, Magenta, Yellow Functions • To adjust color shift if there is any color shift as found through comparison of the copy with the original • Before making this adjustment, be sure to perform Color Shift Correction (Bk).
Page 189: Lph Rank
Field Service Manual Tech. Rep. Mode 4.4.9 LPH Rank Functions • To correct uneven LPH image by producing an output of the LPH Pattern of Test Print • When an uneven image occurs and is not eliminated even after other troubleshooting procedures have been carried out.
Page 190: Lph Chip Adjust
Tech. Rep. Mode cm3520 Field Service Manual 4.4.10 LPH Chip Adjust Functions • To correct chips of locations where FD white lines or black lines occur in the LPH Pat- tern produced using “Test Print.” • White line or color line or black line occurs in the FD direction.
Page 191: Center Binding Position (9997 Only)
Field Service Manual Tech. Rep. Mode 4.4.11 Center Binding Position (9997 only) Functions • To adjust the positions of center staple and folding for the Finisher. • Use when the center staple and folding positions deviate from the correct ones in the copies made using the Booklet function.
Page 192: Memory / Harddisk Adjust
Tech. Rep. Mode cm3520 Field Service Manual 4.4.12 Memory / Hard Disk Adjust A. Memory Check Functions • To check correspondence of data written to and that read from memory through write/read check. Rough Check • A check is made to see if the image data reading and writing are correctly made in a very limited area.
Page 193 Field Service Manual Tech. Rep. Mode D. Work Memory In/Out Check Functions • To check to see if input and output of image data of work memory are correctly per- formed. • If the print image is faulty. Adjustment 1.
Page 194: Bypass Guide Adjust
Tech. Rep. Mode cm3520 Field Service Manual 4.4.13 Bypass Guide Adjust Functions • To set the maximum width and the minimum width for the Bypass Paper Size Unit of the Bypass Guide • Use when the Bypass Paper Size Unit of the Bypass Guide has been changed.
Page 195: Prt Highlight
Field Service Manual Tech. Rep. Mode 4.6.2 PRT Highlight Functions • To adjust the highlight portion (fog level) to the target reproduction level by making an auxiliary manual fine-adjustment of γ of each color after Gradation Adjust. • An image quality problem is not corrected even after Gradation Adjust has been run.
Page 196: Atdc Level Setting
Tech. Rep. Mode cm3520 Field Service Manual 4.6.4 ATDC Level Setting Functions • To adjust the T/C control level when an abnormal image density occurs as a result of a change in the amount of charge of toner and carrier due to an environmental change.
Page 197: 2Nd Transfer Adjust
Field Service Manual Tech. Rep. Mode 4.6.6 2nd Transfer Adjust Functions • To fine-adjust the second transfer output (ATVC) for the first side and the second side, respectively. When an image transfer failure occurs at the trailing edge (of plain paper).
Page 198: Atdc Toner Supply
Tech. Rep. Mode cm3520 Field Service Manual 4.6.8 ATDC Toner Supply Functions • To adjust the set T/C level by replenishing an auxiliary supply of toner when a low ID occurs due to a lowered T/C after large numbers of copies have been made of origi- nals having a high image density.
Page 199: Monochrome Image Density
Field Service Manual Tech. Rep. Mode 4.6.11 Monochrome Image Density Functions • To fine-adjust the density of the printed image for a black copy • To vary the density of the printed image of a black copy Adjustment Lighter (2 steps), Std, Darker (2 steps)
Page 200: Settings In Krds / Rd Mode
Tech. Rep. Mode cm3520 Field Service Manual Settings in KRDS / RD Mode • The remote diagnosis system displayed varies according to the setting made with “Secu- rity Mode” → “Remote Diagnosis System Choice.” • Make the settings necessary when a Data Terminal is mounted.
Page 201 Field Service Manual Tech. Rep. Mode D. Date/Time Input Functions • To set the date and time-of-day. • Use to set or change the date and time-of-day. Setting/Procedure 1. Call the Tech. Rep. Mode to the screen. 2. Touch “KRDS” or “RD Mode.”...
Page 202: System Input
Tech. Rep. Mode cm3520 Field Service Manual System Input 4.8.1 Marketing Area Functions • To make the various settings (language, paper size, fixed zoom ratios, etc.) according to the applicable marketing area. • Upon setup Setting/Procedure • Select the applicable marketing area and touch “END” to set the marketing area.
Page 203: Fls Paper
Field Service Manual Tech. Rep. Mode 4.8.5 FLS Paper Functions • To set the size for FLS paper. • Upon setup. Setting/Procedure • Select the size from among the following four. F: 330.2 mm F: 330 mm F: 330.2 mm F: 330 mm C: 203.2 mm...
Page 204: Server Set (Krds) / Server Set (Rd)
Tech. Rep. Mode cm3520 Field Service Manual 4.8.8 Server set (KRDS) / Server set (RD) A. Server for RX • These are the settings for the RX server used in the Remote Diagnosis System for the standard controller. (1) POP3 server Functions •...
Page 205 Field Service Manual Tech. Rep. Mode (2) Mail check Functions • To set whether or not to use Mail Check and the time interval for the POP3 server used for the Remote Diagnosis System for the standard controller • To select not to use Mail Check •...
Page 206: Unit Change
Tech. Rep. Mode cm3520 Field Service Manual D. Communication Log Print • This is the setting made for the communication log used for the Remote Diagnosis Sys- tem for the standard controller. Functions • To print a log of past ten communications activities •...
Page 207: Hard Disk
Field Service Manual Tech. Rep. Mode 4.8.11 Hard Disk Functions • To configure the copier as necessary when a hard disk is mounted. • Use when the hard disk is mounted. Setting/Procedure • The default setting is Unset. Unset ✽...
Page 208: Admin. Password Initialize
Tech. Rep. Mode cm3520 Field Service Manual Admin. Password Initialize Functions • To initialize the administrator code and PSL administrator code. • Use to delete the current settings. Setting/ • Select “Yes” and touch “END” to initialize the settings. Procedure 4.10 Settings in Counter...
Page 209: Jam
Field Service Manual Tech. Rep. Mode 4.10.3 Functions • To check the number of misfeeds that have occurred at different locations in the machine. • To clear the count of each counter. • To check the number of paper misfeeds that have occurred Setting/ •...
Page 210: 4.11 List Output
Tech. Rep. Mode cm3520 Field Service Manual 4.11 List Output 4.11.1 Image Processing Functions • To produce an output of a list of setting values, adjustment values, Total Counter val- ues, and others. • At the end of setup or when a malfunction occurs.
Page 211: 4.12 Settings In State Confirm
Field Service Manual Tech. Rep. Mode 4.12 Settings in State Confirm 4.12.1 I/O Check Functions • To display the states of the input ports of sensors and switches when the machine remains stationary. • Used for troubleshooting when a malfunction or a misfeed occurs.
Page 212 Tech. Rep. Mode cm3520 Field Service Manual 4036fs3026e0 4036fs3027e0 4036fs3028e0 4036fs3029e0 4036fs3030e0 3-78...
Page 213 Field Service Manual Tech. Rep. Mode C. I/O Check List (1) Sensors 1 (Main body, 9993, 9994) Symbol Panel Display Part/Signal Name Operation Characteristics/ Panel Display PC14 Tray1 Set Sensor In position Out of Drawer position Paper Empty Tray1 Paper Empty Sensor...
Page 214 Tech. Rep. Mode cm3520 Field Service Manual Symbol Panel Display Part/Signal Name Operation Characteristics/ Panel Display PC111 Manual Multi FD Size1 Bypass FD Paper Size Sensor/1 PC112 Multi FD Size2 Bypass FD Paper Size Sensor/2 PC113 Multi FD Size3 Bypass FD Paper Size Sensor/3...
Page 215 Field Service Manual Tech. Rep. Mode D. Sensors 2 (Main body, 9991, 9992) Symbol Panel Display Part/Signal Name Operation Characteristics/ Panel Display PC4-LCT Lift-Up Upper Tray Upper Limit Sensor At raised Not at raised Sensor position position PC13-LCT Lift-Up Lower...
Page 216 Tech. Rep. Mode cm3520 Field Service Manual Symbol Panel Display Part/Signal Name Operation Characteristics/ Panel Display PC17 Dev. Cyan Toner Toner Near-Empty Sensor PQ/C Toner not Toner Empty present present PC16 Magenta Toner Toner Near-Empty Sensor PQ/M Toner not Toner...
Page 217 Field Service Manual Tech. Rep. Mode E. Sensors 3 (9997 Finisher, CM3500010 Job Tray) Operation Characteris- tics/Panel Display Symbol Panel Display Part/Signal Name PC1-FN Single Exit (Non-sort1) 1st Tray Exit Sensor Paper Paper not Staple present present Finisher PC19-FN...
Page 218 Tech. Rep. Mode cm3520 Field Service Manual F. Sensors 4 (9996 Finisher, CM3100010 Punch Unit) Operation Characteris- tics/Panel Display Symbol Panel Display Part/Signal Name PI1-FN Center Entrance Entrance Sensor Paper Paper not present Staple present Fin- PI2-FN Paddle Home Paddle Home Position Sensor...
Page 219 Field Service Manual Tech. Rep. Mode Operation Characteris- tics/Panel Display Symbol Panel Display Part/Signal Name MS1-FN Center Front Door SW Front Door Open Sensor Open Staple — Rev. Remain — Paper Fin- horiz. side isher MS2-FN Joint SW Joint Open Sensor Open —...
Page 220 Tech. Rep. Mode cm3520 Field Service Manual G. Sensors 5 (Main body) Symbol Operation Characteris- tics/Panel Display Panel Display Part/Signal Name PC201 Home Sensor Scanner Home Sensor At home Out of home SW201 Org. Org. Cover Size Reset Switch Lowered...
Page 221: Table
Field Service Manual Tech. Rep. Mode 4.12.2 Table # Functions • To display the Vg/Vb output values calculated for the image density of the test pattern (amount of toner sticking) produced on the Transfer Belt during an AIDC detection sequence.
Page 222: Temp. & Humidity
Tech. Rep. Mode cm3520 Field Service Manual 4.12.5 Temp. & Humidity Functions • To display the temperature and humidity of a specific location (AIDC Sensor portion) inside the machine and fusing temperature. • Used as reference information when a malfunction occurs.
Page 223: Color Shift
Field Service Manual Tech. Rep. Mode 4.12.9 Color Shift Functions • To check each of C, M, Y, and Bk for color shift amount. • The data is updated after a color shift correction has been made or color shift adjust- ment has been completed.
Page 224: 4.13 Settings In Test Print
Tech. Rep. Mode cm3520 Field Service Manual 4.13 Settings in Test Print • To check for image on the printer side by letting the machine produce various types of test patterns. • The machine searches through the paper sources in the order of Tray2, Tray3, Tray4, and Tray1 for paper of the maximum size for printing.
Page 225: Halftone Pattern
Field Service Manual Tech. Rep. Mode 4.13.3 Halftone Pattern Functions • To produce a solid halftone pattern. • Used for checking uneven density and pitch noise. Pattern SINGLE HYPER Gradation Cyan Density: 255 4036fs3043c0 Setting/ • # of Print (1 to 999) Procedure •...
Page 226: Solid Pattern
Tech. Rep. Mode cm3520 Field Service Manual 4.13.5 Solid pattern Functions • To produce each of the C, M, Y, and Bk solid patterns. • Used for checking reproducibility of image density. Pattern SINGLE HYPER Gradation Density: 255 4036fs3045c0 Setting/ •...
Page 227: Color Solid Pattern
Field Service Manual Tech. Rep. Mode 4.13.7 8 Color Solid Pattern Functions • To produce an 8-color solid pattern. • Used for checking color reproducibility and uneven density of each color. Pattern SINGLE HYPER Gradation Density: 255 4036fs3047c0 Setting/ •...
Page 228: 4.14 Adf Check
Tech. Rep. Mode cm3520 Field Service Manual 4.14 ADF Check ☞ For details, see 9990 Service Manual. 4.14.1 Original Stop Position Functions • To make a manual adjustment of the document stop position and scanning position in each of the ADF modes.
Page 229: Sensor Auto Adjust
Field Service Manual Tech. Rep. Mode 4.14.7 Sensor Auto Adjust Functions • To make an automatic adjustment of the sensor. • When a document misfeed occurs. • When the sensor is replaced. 4.15 Gradation Adjust Functions • To make an automatic adjustment of gradation based on the test pattern produced and the readings taken by the Scanner •...
Page 230: Security
Security cm3520 Field Service Manual Security Security Mode Function Setting Procedure 5.1.1 Procedure 1. Show the Tech. Rep. Mode menu screen. 2. Press the following keys in this order. → Stop 3. Security Mode menu will appear. 4036fs3035e0 5.1.2 Exiting •...
Page 231: Settings In The Security Mode
Field Service Manual Security Settings in the Security Mode 5.3.1 Counter Setting Functions • To set the counting method for the Total Counter and Size Counter. • Use to change the counting method for the counters. Setting/ Total Counter...
Page 232: Admin. Choice
Security cm3520 Field Service Manual 5.3.2 Admin. Choice Functions • To set whether or not the Key Counter, Data Controller, and Vendor are installed. • Use to change the counting method for the administrative units. Setting/ Key Counter Procedure • Default setting: Unset •...
Page 233: Coverage Rate Reset
Field Service Manual Security 5.3.3 Coverage Rate Reset Functions • To clear the coverage rate • Use to clear the coverage rate Setting/ • The default setting is No. Procedure • Pressing the END key will clear the coverage rate.
Page 234: Mechanical Adjustment
Mechanical Adjustment cm3520 Field Service Manual Mechanical Adjustment Adjustment of the Scanner Motor Timing Belt This adjustment must be made in the following case: • The Scanner Motor Assy has been removed. • The Scanner Drive Cables have been rewound.
Page 235: Focus Positioning Of The Scanner And Mirrors Unit
Field Service Manual Mechanical Adjustment Focus Positioning of the Scanner and Mirrors Unit This adjustment must be made in the following case: • The Scanner Drive Cables have been rewound 1. Slide the Mirrors Unit [1] to the cen- ter until it is pressed up against the cutouts in the rails [2].
Page 236: Adjustment Of The Bypass Paper Size Unit
Mechanical Adjustment cm3520 Field Service Manual 2. Secure the Scanner [2] in the posi- tion shown on the left using the two Scanner positioning screws [3]. 3. Make the FD-Mag. adjustment. ☞ 3-52 30 mm 4036fs3040c0 Adjustment of the Bypass Paper Size Unit This adjustment must be made in the following case: •...
Page 237 Field Service Manual Mechanical Adjustment 2. Install the Bypass Unit Cover so that part A (edge) [2] of the Rack Gear [1] for the Bypass Paper Size Unit and part B [3] of the Bypass Unit Cover are aligned in a straight line.
Page 238: Board Switch
Board switch cm3520 Field Service Manual Board switch PWB Location PWB-S1 4036fs2175c0 PWB-S1 (Tech. Rep. Setting Switches Board) 4036fs3030j0 Symbol Name Description Initialize Point Resets a paper misfeed, malfunction, and erratic display. MEMORY Not Used Not Used TROUBLE Trouble Reset Switch...
Page 239: Initialize Procedure
Field Service Manual Board switch 7.2.1 Initialize Procedure 1. Turn OFF the Power Switch. 2. With the circuit across pins of PJ2 closed, turn ON the Power Switch. 3. In about 5 sec., open the PJ2 circuit. 4. Check that the message “Initialize Completed” is displayed on the Touch Panel and then touch “END.”...
Page 240: Date/Time Input Mode
Date/Time input mode cm3520 Field Service Manual Date/Time input mode • This mode is used to set time-of-day and date. Date/Time input mode screen 4036fs3802e1 Date/Time input mode setting procedure <Procedure> 1. Press the following keys in this order. Stop → 1 → 1 → 4 → 4 → Clear 2.
Page 241: Iv Troubleshooting
Field Service Manual Jam Display IV Troubleshooting Jam Display Misfeed Display • When a paper misfeed occurs, the misfeed message, misfeed location, and paper loca- tion are displayed on the Touch Panel of the copier. [11] [10] 4036fs4002c0 Display...
Page 242: Sensor Layout
Jam Display cm3520 Field Service Manual Sensor layout 1.2.1 System Mounted with 9991 and 9992. 4036fs4001c0 Exit Sensor PC30 [5] Tray2 Vertical Transport Sensor PC108 Duplex Unit Transport Sensor 1 PI1-DU [6] Tray1 Double Feed Sensor [3]*1 Synchronizing Roller Sensor...
Page 243 Field Service Manual Jam Display 1.2.2 System Mounted with 9991 and 9994. [10] 4036fs4003c0 Exit Sensor PC30 Tray1 Double Feed Sensor Duplex Unit Transport Sensor 1 PI1-DU Tray3 Vertical Transport Sensor PC117-PF [3]*1 Synchronizing Roller Sensor PC28 Tray3 Paper Take-Up Sensor...
Page 244: Solution
Jam Display cm3520 Field Service Manual Solution 1.3.1 Initial Check Items • When a paper misfeed occurs, first make checks of the following initial check items Check Item Action Does paper meet product specifications? Change paper. Change paper. Is paper curled, wavy, or damp.
Page 245: 1St Drawer Take-Up, Fusing Misfeed
Field Service Manual Jam Display 1.3.2 1st Drawer take-up, Fusing Misfeed A. Detection Timing Type Description The leading edge of the paper does not block the Exit Sensor (PC30) even after the lapse of a given period of time after the Synchronizing Roller Clutch has been 2nd Image Transfer, energized.
Page 246: 2Nd Drawer Take-Up, Vertical Transport, Manual Bypass Take-Up
Jam Display cm3520 Field Service Manual 1.3.3 2nd Drawer take-up, Vertical Transport, Manual Bypass take-up A. Detection Timing Type Description The leading edge of the paper does not block the Tray2 Vertical Transport Sensor (PC108) even after the lapse of a given period of time after the Tray2 Paper Feed 2nd Drawer take- Motor has been energized.
Page 247 Field Service Manual Jam Display Manual Bypass take-up Relevant Electrical Parts Tray2 Vertical Transport Sensor (PC108) Tray2 Board (PWB-Z) Bypass Paper Feed Clutch (CL101) WIRING DIAGRAM Location Step Action Control Signal (Electrical Component) Initial check items — — PC108 I/O check, Sensor check...
Page 248: Lct Take-Up And Vertical Transport Misfeed (9992)
Jam Display cm3520 Field Service Manual 1.3.4 LCT Take-up and Vertical Transport Misfeed (9992) A. Detection Timing Type Description The leading edge of the paper does not block the LCT Transport Roller Motor (PC2- LCT) even after the lapse of a given period of time after the Paper Feed Motor has Misfeed detected been energized.
Page 249: Tray3 Take-Up And Vertical Transport Misfeed (9993/9994)
Field Service Manual Jam Display 1.3.5 Tray3 Take-up and Vertical Transport Misfeed (9993/9994) A. Detection Timing Type Description The leading edge of the paper does not block the Tray3 Vertical Transport Sensor (PC117-PF) even after the lapse of a given period of time after the Tray3 Paper Misfeed detected at Feed Motor has been energized.
Page 250: Tray4 Take-Up And Vertical Transport Misfeed (9994)
Jam Display cm3520 Field Service Manual 1.3.6 Tray4 Take-up and Vertical Transport Misfeed (9994) A. Detection Timing Type Description The leading edge of the paper does not block the Tray4 Vertical Transport Sensor (PC126-PF) even after the lapse of a given period of time after the Tray4 Paper Misfeed detected at Feed Motor has been energized.
Page 251: Duplex Transport Misfeed (9991)
Field Service Manual Jam Display 1.3.7 Duplex Transport Misfeed (9991) A. Detection Timing Type Description The Synchronizing Roller Sensor (PC28) is not blocked even after the lapse of a given period of time after a Duplex paper take-up sequence has been started.
Page 252: Fusing/Exit Misfeed
Jam Display cm3520 Field Service Manual 1.3.8 Fusing/Exit Misfeed A. Detection Timing Type Description PC10 is not unblocked even after the lapse of a given period of time after the paper has blocked the Exit Sensor (PC30). Misfeed detected at...
Page 253: Malfunction Code
Field Service Manual Malfunction Code Malfunction Code Restarting • This machine automatically performs a restarting sequence if a minor fault that would not damage the machine occurs during operation. • No screen information is given for the restarting sequence.
Page 254: Alert List
Malfunction Code cm3520 Field Service Manual 2.2.1 Alert list • If an image stabilization or Scanner fault occurs, the corresponding warning code appears. Code Item Description • It is detected that the CCD clamp gain adjustment CCD clamp gain adjustment failure value is faulty.
Page 255: Solution
Field Service Manual Malfunction Code Solution 2.3.1 S-1 : CCD clamp/gain adjustment failure Relevant Electrical Parts Scanner Assy CCD Sensor Board (PWB-A) Image Processing Board (PWB-C) Step Action Correct the harness connection between PWB-A and PWB-C if faulty. Check for possible extraneous light and correct as necessary.
Page 256: P-6: Cyan Imaging Unit Failure
Malfunction Code cm3520 Field Service Manual 2.3.4 P-6: Cyan Imaging Unit failure 2.3.5 P-7: Magenta Imaging Unit failure 2.3.6 P-8: Yellow Imaging Unit failure 2.3.7 P-9: Black Imaging Unit failure Relevant Electrical Parts Imaging Unit C Image Transfer Belt Unit...
Page 257: 1St Image Transfer Atvc (Black) Failure
Field Service Manual Malfunction Code 2.3.10 P-26 : 1st image transfer ATVC (Black) failure 2.3.11 P-27 : 2nd image transfer ATVC failure 2.3.12 P-29 : 1st image transfer ATVC (Color) failure Relevant Electrical Parts High Voltage Unit/2 (HV2) Image Transfer Belt Unit...
Page 258: Trouble Code
Malfunction Code cm3520 Field Service Manual Trouble code • The copier's CPU performs a self-diagnostics function that, on detecting a malfunction, gives the corresponding malfunction code and maintenance call mark on the Touch Panel. 4036fs4012e0 2.4.1 Trouble code list * For the details of the malfunction codes of the options, see the Service Manual for the cor- responding option.
Page 259 Field Service Manual Malfunction Code Code Item Description C0040 Suction Fan Motor's failure to turn The Fan Lock signal remains HIGH for a prede- • termined continuous period of time while the C0046 Fusing Cooling Fan Motor/1 failure Motor remains stationary.
Page 260 Malfunction Code cm3520 Field Service Manual Code Item Description C0200 Cyan PC Drum Charge Corona • An output is automatically produced from the PC malfunction Drum Charge Corona of each color when the malfunc- tion resetting procedure is performed after C0208 (PC C0202 Magenta PC Drum Charge Corona Drum Charge Corona malfunction) has been detected.
Page 261 Field Service Manual Malfunction Code Code Item Description C0520 Heating Roller abnormally high • A temperature of 225 °C or more of the Heating Roller temperature is detected for 1 sec. or more. C0521 Fusing Pressure Roller abnormally • A temperature of 190 °C or more of the Fusing Pres- high temperature sure Roller is detected for 1 sec.
Page 262 Malfunction Code cm3520 Field Service Manual Code Item Description ☞ See 9997 or 9996 Service Manual. C0B00 Finishing option transport system malfunction C0B05 Finishing option Paddle Motor mal- function C0B20 Finishing option Stapler Unit CD drive failure C0B25 Finishing option Stapler Unit Slide...
Page 263 Field Service Manual Malfunction Code Code Item Description C0F33 Abnormally high toner density • T/C 15.5 % or more is detected ten consecutive times detected Magenta ATDC Sensor in the Developing Unit as validated through the toner replenishing amount determination control.
Page 264 Malfunction Code cm3520 Field Service Manual Code Item Description C1265 Extraction hardware timeout • The hardware involved with the extraction function offered by the MFP Control Board (PWB-MFP) does not respond. C1279 PCI-SDRAM DMA operation failure • The hardware involved with image transfer in the memory of the MFP Control Board (PWB-MFP) does not respond.
Page 265 Field Service Manual Malfunction Code Code Item Description C13D5 Cyan LPH correction data down- • An error is detected while the LPH correction data is load failure being downloaded from EEPROM of LPH to PWB- MFP when the Power Switch is turned ON.
Page 266: How To Reset
Malfunction Code cm3520 Field Service Manual How to reset • Different malfunction resetting procedures apply depending on the type of the malfunc- tion code. * List of Malfunction Resetting Procedures Resetting Procedure Applicable Malfunctions Applicable Malfunction Codes Press the Trouble Reset Switch...
Page 267: Solution
Field Service Manual Malfunction Code Solution 2.6.1 C0000: Main Motor's failure to turn Relevant Electrical Parts Main Motor (M1) Control Board (PWB-MC) DC Power Supply (PU1) WIRING DIAGRAM Location Step Action Control Signal (Electrical Component) Check the M1 connector for proper connection —...
Page 268: C0016: Bk Pc Motor Failure To Turn
Malfunction Code cm3520 Field Service Manual 2.6.3 C0016: Bk PC Motor failure to turn Relevant Electrical Parts Bk PC Motor (M7) Control Board (PWB-MC) WIRING DIAGRAM Location Step Action Control Signal (Electrical Component) Check the connector of motor for proper connec- —...
Page 269: C0019: Color Pc Motor Turning At Abnormal Timing
Field Service Manual Malfunction Code 2.6.6 C0019: Color PC Motor turning at abnormal timing Relevant Electrical Parts Color PC Drum Motor (M5) Control Board (PWB-MC) WIRING DIAGRAM Location Step Action Control Signal (Electrical Component) PWB-MC PJ11MC-13B (LOCK) M5 operation check (C0019)
Page 270: C0040: Suction Fan Motor's Failure To Turn
Malfunction Code cm3520 Field Service Manual 2.6.9 C0040: Suction Fan Motor’s failure to turn Relevant Electrical Parts Suction Fan Motor (M12) Control Board (PWB-MC) WIRING DIAGRAM Location Step Action Control Signal (Electrical Component) Check the connector of motor for proper connection —...
Page 271: C0048: Fusing Cooling Fan Motor /2 /3'S Failure To Turn
Field Service Manual Malfunction Code 2.6.11 C0048: Fusing Cooling Fan Motor /2 /3’s failure to turn Relevant Electrical Parts Fusing Cooling Fan Motor/2 (M15) Control Board (PWB-MC) Fusing Cooling Fan Motor/3 (M16) WIRING DIAGRAM Location Step Action Control Signal...
Page 272: C004D: Toner Suction Fan Motor's Failure To Turn
Malfunction Code cm3520 Field Service Manual 2.6.13 C004D: Toner Suction Fan Motor’s failure to turn Relevant Electrical Parts Toner Suction Fan Motor (M20) Control Board (PWB-MC) WIRING DIAGRAM Location Step Action Control Signal (Electrical Component) Check the connector of motor for proper connec- —...
Page 273: C0060: Fusing Drive Motor's Failure To Turn
Field Service Manual Malfunction Code 2.6.16 C0060: Fusing Drive Motor’s failure to turn Relevant Electrical Parts Fusing Drive Motor (M2) Control Board (PWB-MC) WIRING DIAGRAM Location Step Action Control Signal (Electrical Component) Check the M2 connector for proper connection —...
Page 274: C0096: Image Transfer Belt Pressure/Retraction Failure
Malfunction Code cm3520 Field Service Manual 2.6.19 C0096: Image Transfer Belt pressure/retraction failure Relevant Electrical Parts 1st Image Transfer Retraction Position Sensor (PC12) Control Board (PWB-MC) 1st Image Transfer Pressure/Retraction Motor (M11) WIRING DIAGRAM Location Step Action Control Signal (Electrical...
Page 275: C0200: Cyan Pc Drum Charge Corona Malfunction
Field Service Manual Malfunction Code 2.6.21 C0200: Cyan PC Drum Charge Corona malfunction 2.6.22 C0202: Magenta PC Drum Charge Corona malfunction 2.6.23 C0204: Yellow PC Drum Charge Corona malfunction 2.6.24 C0206: Black PC Drum Charge Corona malfunction 2.6.25 C0208: PC Drum Charge Corona malfunction...
Page 276: C0500: Heating Roller Warm-Up Failure
Malfunction Code cm3520 Field Service Manual 2.6.28 C0500: Heating Roller warm-up failure 2.6.29 C0501: Fusing Pressure Roller warm-up failure 2.6.30 C0510: Heating Roller abnormally low temperature 2.6.31 C0511: Fusing Pressure Roller abnormally low temperature 2.6.32 C0520: Heating Roller abnormally high temperature 2.6.33...
Page 277: C0900: 2Nd Drawer Lift-Up Motor Failure
Field Service Manual Malfunction Code 2.6.36 C0900: 2nd Drawer Lift-Up Motor Failure Relevant Electrical Parts Tray2 Lift-Up Sensor (PC105) Tray2 Board (PWB-Z) Tray2 Lift-Up Motor (M101) WIRING DIAGRAM Location Step Action Control Signal (Electrical Component) Check the M101 connector for proper connection —...
Page 278: C0F30: Abnormally Low Toner Density Detected Cyan Atdc Sensor
Malfunction Code cm3520 Field Service Manual 2.6.38 C0F30: Abnormally low toner density detected Cyan ATDC Sensor 2.6.39 C0F32: Abnormally low toner density detected Magenta ATDC Sensor 2.6.40 C0F34: Abnormally low toner density detected Yellow ATDC Sensor Relevant Electrical Parts ATDC Sensor/C (PWB-N3)
Page 279: C0F31: Abnormally High Toner Density Detected Cyan Atdc Sensor
Field Service Manual Malfunction Code 2.6.41 C0F31: Abnormally high toner density detected Cyan ATDC Sensor 2.6.42 C0F33: Abnormally high toner density detected Magenta ATDC Sensor 2.6.43 C0F35: Abnormally high toner density detected Yellow ATDC Sensor Relevant Electrical Parts ATDC Sensor/C (PWB-N3)
Page 280: C0F37: Abnormally High Toner Density Detected Black Atdc Sensor
Malfunction Code cm3520 Field Service Manual 2.6.45 C0F37: Abnormally high toner density detected Black ATDC Sensor Relevant Electrical Parts Imaging Unit /Bk Control Board (PWB-MC) ATDC Sensor/Y (PWB-N1) MFP Control Board (PWB-MFP) WIRING DIAGRAM Location Step Action Control Signal (Electrical...
Page 281: C0F3D: Black Atdc Sensor Adjustment Failure
Field Service Manual Malfunction Code 2.6.49 C0F3D: Black ATDC Sensor adjustment failure Relevant Electrical Parts Imaging Unit /Bk Control Board (PWB-MC) MFP Control Board (PWB-MFP) WIRING DIAGRAM Location Step Action Control Signal (Electrical Component) Correct the ATDC connection on the underside of —...
Page 282: C1203: Memory Mounting Failure
Malfunction Code cm3520 Field Service Manual 2.6.51 C1203: Memory mounting failure 2.6.52 C1204: Memory mounting failure Relevant Electrical Parts MFP Control Board (PWB-MFP) Standard Memory (DIMMS0) WIRING DIAGRAM Location Step Action Control Signal (Electrical Component) Check to see if the standard memory (DIMMS0) on the MFP Control Board (PWB-MFP) is —...
Page 283: C1240: Jbig0 Error
Field Service Manual Malfunction Code 2.6.55 C1240: JBIG0 Error 2.6.56 C1241: JBIG1 Error 2.6.57 C1242: JBIG2 Error 2.6.58 C1243: JBIG3 Error 2.6.59 C1250: Compressor 0 command buffer stop failure 2.6.60 C1251: Compressor 1 command buffer stop failure 2.6.61 C1252: Compressor 2 command buffer stop failure 2.6.62...
Page 284: C12C3: Hard Disk Error 3
Malfunction Code cm3520 Field Service Manual 2.6.71 C12C0: Hard disk recognition error 2.6.72 C12C1: Hard Disk Error 1 2.6.73 C12C2: Hard Disk Error 2 2.6.74 C12C3: Hard Disk Error 3 2.6.75 C12C4: Hard Disk Error 4 2.6.76 C12C5: Hard Disk Error 5 2.6.77...
Page 285: C12Cf: Hard Disk Specifications Error
Field Service Manual Malfunction Code 2.6.84 C12CF: Hard disk specifications error Relevant Electrical Parts Hard Disk WIRING DIAGRAM Location Step Action Control Signal (Electrical Component) Check the hard disk specifications. — — Change the hard disk. — — 2.6.85 C13C8: New Transfer Cleaner Unit resetting failure 2.6.86...
Page 286: C13D5: Cyan Lph Correction Data Download Failure
Malfunction Code cm3520 Field Service Manual 2.6.91 C13D5: Cyan LPH correction data download failure 2.6.92 C13D6: Magenta LPH correction data download failure 2.6.93 C13D7: Yellow LPH correction data download failure 2.6.94 C13D8: Black LPH correction data download failure Relevant Electrical Parts...
Page 287: C3331: Msc Undefined Malfunction Occurring
Field Service Manual Malfunction Code 2.6.96 C3331: MSC undefined malfunction occurring Relevant Electrical Parts MFP Control Board (PWB-MFP) WIRING DIAGRAM Location Step Action Control Signal (Electrical Component) Check the connectors on PWB-MFP for proper — — connection and correct as necessary.
Page 288: C3E00: Nvram Initialization Failure
Malfunction Code cm3520 Field Service Manual 2.6.99 C3E00: NVRAM initialization failure 2.6.100 C3E01: NVRAM initialization failure 2.6.101 C3E02: NVRAM initialization failure Relevant Electrical Parts MFP Control Board (PWB-MFP) WIRING DIAGRAM Location Step Action Control Signal (Electrical Component) Check the PWB-MFP connector for proper con- —...
Page 289: Power Supply Trouble
Field Service Manual Power Supply Trouble Power Supply Trouble Machine is not Energized at All (PU1 Operation Check) Relevant Electrical Parts Power Switch (SW1) DC Power Supply (PU1) Control Board (PWB-MC) WIRING Step Check Item DIAGRAM Result Action (Location)
Page 290: Fusing Heaters Do Not Operate
Power Supply Trouble cm3520 Field Service Manual Fusing Heaters do not Operate Relevant Electrical Parts Upper Right Door Switch (SW5) DC Power Supply (PU1) Fusing Unit WIRING Step Check Item DIAGRAM Result Action (Location) Is the power source voltage applied across...
Page 291: Finisher
Field Service Manual Power Supply Trouble 3.4.3 Finisher WIRING Step Check Item DIAGRAM Result Action (Location) Are DC24 V and DC5 V being applied to Malfunction in Finisher. CN20-11 and CN20-1, respectively, of the Fin- 26-J isher? Are DC24 V and DC5 V being applied to...
Page 292: Image Quality Problem
Image Quality Problem cm3520 Field Service Manual Image Quality Problem How to read Element date • As part of troubleshooting procedures, the numeric values set for “State Confirm” avail- able from “Tech. Rep. Mode” can be used to isolate the cause of the image problem.
Page 293: Level History 1
Field Service Manual Image Quality Problem 4.1.2 Level History 1 4036fs4017e0 ATDC-C • Shows the T/C ratio (in 0.01 % increments). ATDC-M • Standard value: 7 ± 3 % ATDC-Y • Relevant Components: LPH Unit, ATDC Sensor Bk ATDC-Bk AIDC1 •...
Page 294: How To Identify Problematic Part
Image Quality Problem cm3520 Field Service Manual How to identify problematic part • This chapter is divided into two parts: “Initial Check Items” and “Troubleshooting Proce- dure by a Particular Image Quality Problem.” • When an image quality problem occurs, first go through the “Initial Check Items,” and if the cause is yet to be identified, go to “Troubleshooting Procedure by a Particular Image...
Page 295: Initial Check Items
Field Service Manual Image Quality Problem C. Initial Check Items 3 • If the printer is responsible for the image problem, let the copier produce a test print and determine whether the image problem occurs in a specific single color or four colors.
Page 296: Solution
Image Quality Problem cm3520 Field Service Manual Solution 4.3.1 IR System: white lines in FD, white bands in FD, colored lines in FD, and colored bands in FD A. Typical Faulty Images White lines in FD White bands in FD...
Page 297: Ir System: White Lines In Cd, White Bands In Cd, Colored Lines In Cd, And Colored Bands In Cd
Field Service Manual Image Quality Problem 4.3.2 IR System: white lines in CD, white bands in CD, colored lines in CD, and colored bands in CD A. Typical Faulty Images White lines in CD White bands in CD Color lines in CD...
Page 298: Ir System: Color Spots
Image Quality Problem cm3520 Field Service Manual 4.3.3 IR System: color spots A. Typical Faulty Images 4036fs4029c0 B. Troubleshooting Procedure Step Section Check Item Result Action Original Original is damaged or dirty. YES Change original. Original Cover Original Pad is dirty.
Page 299: Ir System: Fog
Field Service Manual Image Quality Problem 4.3.4 IR System: fog A. Typical Faulty Images ABCD ABCD ABCD ABCD ABCD 4036fs4030c0 B. Troubleshooting Procedure Step Section Check Item Result Action Original Original is damaged or dirty. YES Change original. Original Cover Original Pad is dirty.
Page 300: Ir System: Blurred Image, Blotchy Image
Image Quality Problem cm3520 Field Service Manual 4.3.5 IR System: blurred image, blotchy image A. Typical Faulty Images 4036fs4031c0 B. Troubleshooting Procedure Step Section Check Item Result Action Original Original does not lie flat. YES Change original. Original Cover Original Cover does not lie flat.
Page 301: Ir System: Incorrect Color Image Registration, Sync Shift (Lines In Cd)
Field Service Manual Image Quality Problem 4.3.6 IR System: incorrect color image registration, sync shift (lines in CD) A. Typical Faulty Images 4036fs4032c0 B. Troubleshooting Procedure Step Section Check Item Result Action Original Original does not lie flat. YES Change original.
Page 302: Ir System: Moire
Image Quality Problem cm3520 Field Service Manual 4.3.7 IR System: moire A. Typical Faulty Images 4036fs4033c0 B. Troubleshooting Procedure Step Section Check Item Result Action Original Moire distortions recur even after Change the original mode the orientation of original has been (select one other than that changed.
Page 303: Ir System: Skewed Image
Field Service Manual Image Quality Problem 4.3.8 IR System: skewed image A. Typical Faulty Images 4036fs4034c0 B. Troubleshooting Procedure Step Section Check Item Result Action Original Original is skewed. YES Reposition original. Original Glass Original Glass is in positive contact Reinstall the glass.
Page 304: Ir System: Distorted Image
Image Quality Problem cm3520 Field Service Manual 4.3.9 IR System: distorted image A. Typical Faulty Images ABCDE ABCDE ABCDE ABCDE ABCDE 4036fs4035c0 B. Troubleshooting Procedure Step Section Check Item Result Action Installation Machine is installed on a level sur- Reinstall.
Page 305: Ir System: Low Image Density, Rough Image
Field Service Manual Image Quality Problem 4.3.10 IR System: low image density, rough image A. Typical Faulty Images ABCDE ABCDE ABCDE ABCDE ABCDE 4036fs4036c0 B. Troubleshooting Procedure Step Section Check Item Result Action Original Original sticks to Original Glass.
Page 306: Ir System: Defective Acs
Image Quality Problem cm3520 Field Service Manual 4.3.11 IR System: defective ACS A. Typical Faulty Images Colored Area of Original ABCDE ABCDE ABCDE Black-and-White Area of Original ABCDE ABCDE 4036fs4037c0 B. Troubleshooting Procedure Step Section Check Item Result Action ACS Judgement...
Page 307: Ir System: Blank Copy, Black Copy
Field Service Manual Image Quality Problem 4.3.12 IR System: blank copy, black copy A. Typical Faulty Images Blank copy Black copy 4036fs4038c0 4036fs4039c0 B. Troubleshooting Procedure Step Section Check Item Result Action Cable connecting Connector is connected properly Reconnect.
Page 308: Ir System: Abnormal Image
Image Quality Problem cm3520 Field Service Manual 4.3.13 IR System: abnormal image A. Typical Faulty Images ABCDE ABCDE Data on previous page ABCDE ABCDE ABCDE ABCDE ABCDE Data on current page ABCDE 4036fs4040c0 4036fs4042c0 4036fs4041c0 B. Troubleshooting Procedure Step Section...
Page 309: Printer Monocolor: White Lines In Fd, White Bands In Fd
Field Service Manual Image Quality Problem 4.3.14 Printer Monocolor: white lines in FD, white bands in FD, colored lines col- ored bands in FD, white lines in CD, white bands in CD, colored lines in CD, colored bands in CD A.
Page 310: Printer Monocolor: Uneven Density In Fd
Image Quality Problem cm3520 Field Service Manual 4.3.15 Printer Monocolor: uneven density in FD A. Typical Faulty Images 4036fs4043c0 4036fs4044c0 4036fs4045c0 B. Troubleshooting Procedure Step Section Check Item Result Action Image check Uneven density of void area occurs. YES Check LPH Unit connector for proper connection.
Page 311: Printer Monocolor: Uneven Density In Cd
Field Service Manual Image Quality Problem 4.3.16 Printer Monocolor: uneven density in CD A. Typical Faulty Images 4036fs4046c0 4036fs4047c0 B. Troubleshooting Procedure Step Section Check Item Result Action Imaging Unit The surface of the PC Drum is YES Change Imaging Unit.
Page 312: Printer Monocolor: Low Image Density
Image Quality Problem cm3520 Field Service Manual 4.3.17 Printer Monocolor: low image density A. Typical Faulty Images ABCDE ABCDE ABCDE ABCDE ABCDE 4036fs4036c0 B. Troubleshooting Procedure Step Section Check Item Result Action State Confirm → Check data for Vg and Vb.
Page 313 Field Service Manual Image Quality Problem Step Section Check Item Result Action Image Adjust → Toner is properly supplied when Go to next step. ATDC Toner Sup- ATDC Toner Supply is run. ply (Tech. Rep. Mode) Image Adjust →...
Page 314: Printer Monocolor: Gradation Reproduction Failure
Image Quality Problem cm3520 Field Service Manual 4.3.18 Printer Monocolor: gradation reproduction failure A. Typical Faulty Images 4036fs4048c0 4036fs4049c0 B. Troubleshooting Procedure Step Section Check Item Result Action Photo/Density Original type and screen pattern are Change screen pattern. selected properly.
Page 315 Field Service Manual Image Quality Problem Step Section Check Item Result Action The problem has been eliminated Change Imaging Unit. → Change Image Transfer Belt through the checks of steps up to 10. Unit. → Change LPH Assy. → Change LED Drive Board.
Page 316: Printer Monocolor: Foggy Background
Image Quality Problem cm3520 Field Service Manual 4.3.19 Printer Monocolor: foggy background A. Typical Faulty Images ABCD ABCD ABCD ABCD ABCD 4036fs4030c0 B. Troubleshooting Procedure Step Section Check Item Result Action State Confirm → Check data for Vg and Vb.
Page 317 Field Service Manual Image Quality Problem Step Section Check Item Result Action Image Adjust The problem has been eliminated Go to next step. → PRT Max Den- through the adjust of PRT Max. sity (Tech. Rep.Mode) Image Adjust The problem has been eliminated Go to next step.
Page 318: Printer Monocolor: Void Areas, White Spots
Image Quality Problem cm3520 Field Service Manual 4.3.20 Printer Monocolor: void areas, white spots A. Typical Faulty Images Void areas White spots 4036fs4051c0 4036fs4050c0 B. Troubleshooting Procedure Step Section Check Item Result Action ☞ 4-73 Image Check There are void areas at the front side or high density section.
Page 319: Printer Monocolor: Colored Spots
Field Service Manual Image Quality Problem 4.3.21 Printer Monocolor: colored spots A. Typical Faulty Images Colored spots 4036fs4052c0 B. Troubleshooting Procedure Step Section Check Item Result Action Imaging Unit Developing bias contact terminal Clean contact terminal and makes good connection.
Page 320: Printer Monocolor: Blurred Image
Image Quality Problem cm3520 Field Service Manual 4.3.22 Printer Monocolor: blurred image A. Typical Faulty Images blurred image 4036fs4031c0 B. Troubleshooting Procedure Step Section Check Item Result Action YES Select “Tech. Rep. Mode” → Image Check Image is distorted (stretched or “Machine Adjust”...
Page 321: Printer Monocolor: Blank Copy, Black Copy
Field Service Manual Image Quality Problem 4.3.23 Printer Monocolor: blank copy, black copy A. Typical Faulty Images Blank copy Black copy 4036fs4038c0 4036fs4039c0 B. Troubleshooting Procedure Step Section Check Item Result Action Image Check A blank copy occurs. YES Check LPH Unit connector for proper connection.
Page 322: Printer Monocolor: 0.5-Mm-Pitch Uneven Image
Image Quality Problem cm3520 Field Service Manual 4.3.24 Printer Monocolor: 0.5-mm-pitch uneven image A. Typical Faulty Images 0.5 mm 4036fs4053c0 B. Troubleshooting Procedure Step Section Check Item Result Action LPH Assy LED retracting lever is locked in Slide out the IU and reinstall.
Page 323: Printer Monocolor: 2-Mm-Pitch Uneven Image
Field Service Manual Image Quality Problem 4.3.25 Printer Monocolor: 2-mm-pitch uneven image A. Typical Faulty Images 2 mm 4036fs4054c0 B. Troubleshooting Procedure Step Section Check Item Result Action Imaging Unit The drive mechanisms for spent YES Clean. toner conveying and IU are dirty.
Page 324: Printer Monocolor: 94-Mm-Pitch Uneven Image
Image Quality Problem cm3520 Field Service Manual 4.3.26 Printer Monocolor: 94-mm-pitch uneven image A. Typical Faulty Images 94 mm 94 mm 94 mm 4036fs4057c0 4036fs4056c0 4036fs4055c0 B. Troubleshooting Procedure Step Section Check Item Result Action Imaging Unit The surface of the PC Drum is YES Change Imaging Unit.
Page 325: Printer 4-Color: White Lines In Fd, White Bands In Fd, Colored Lines In Fd, And Colored Bands In Fd
Field Service Manual Image Quality Problem 4.3.27 Printer 4-Color: white lines in FD, white bands in FD, colored lines in FD, and colored bands in FD A. Typical Faulty Images White lines in FD White bands in FD Colored lines in FD...
Page 326: Printer 4-Color: White Lines In Cd, White Bands In Cd, Colored Lines In Cd, And Colored Bands In Cd
Image Quality Problem cm3520 Field Service Manual 4.3.28 Printer 4-Color: white lines in CD, white bands in CD, colored lines in CD, and colored bands in CD A. Typical Faulty Images White lines in CD White bands in CD Colored lines in CD...
Page 327: Printer 4-Color: Uneven Density In Fd
Field Service Manual Image Quality Problem 4.3.29 Printer 4-Color: uneven density in FD A. Typical Faulty Images 4036fs4043c0 4036fs4044c0 B. Troubleshooting Procedure Step Section Check Item Result Action Image Transfer Fingerprints, oil, or other foreign YES Clean with specified solvent.
Page 328: Printer 4-Color: Uneven Density In Cd
Image Quality Problem cm3520 Field Service Manual 4.3.30 Printer 4-Color: uneven density in CD A. Typical Faulty Images 4036fs4046c0 4036fs4047c0 B. Troubleshooting Procedure Step Section Check Item Result Action Image Transfer Fingerprints, oil, or other foreign YES Clean with specified solvent.
Page 329: Printer 4-Color: Low Image Density
Field Service Manual Image Quality Problem 4.3.31 Printer 4-Color: low image density A. Typical Faulty Images ABCDE ABCDE ABCDE ABCDE ABCDE 4036fs4036c0 B. Troubleshooting Procedure Step Section Check Item Result Action Paper Paper is damp. YES Change paper to one just unwrapped from its package.
Page 330 Image Quality Problem cm3520 Field Service Manual Step Section Check Item Result Action The problem has been eliminated Change Image Transfer Roller through the checks of steps up to 9. Unit. → Change Image Transfer Belt Unit. → Change MFP Control Board →...
Page 331: Printer 4-Color: Poor Color Reproduction
Field Service Manual Image Quality Problem 4.3.32 Printer 4-Color: poor color reproduction A. Typical Faulty Images 4036fs4058c0 B. Troubleshooting Procedure Step Section Check Item Result Action Paper Paper is damp. YES Change paper to one just unwrapped from its package.
Page 332 Image Quality Problem cm3520 Field Service Manual Step Section Check Item Result Action The problem has been eliminated Change Image Transfer Roller through the checks of steps up to 9. Unit. → Change Image Transfer Belt Unit. → Change MFP Control Board →...
Page 333: Printer 4-Color: Incorrect Color Image Registration
Field Service Manual Image Quality Problem 4.3.33 Printer 4-Color: incorrect color image registration A. Typical Faulty Images 4036fs4032c0 B. Troubleshooting Procedure Step Section Check Item Result Action Warning display The maintenance call mark is dis- YES Take action according to the played on the panel.
Page 334: Printer 4-Color: Void Areas, White Spots
Image Quality Problem cm3520 Field Service Manual 4.3.34 Printer 4-Color: void areas, white spots A. Typical Faulty Images Void areas White spots 4036fs4051c0 4036fs4050c0 B. Troubleshooting Procedure Step Section Check Item Result Action ☞ 4-92 Image Check There are void areas at the front side or high density section.
Page 335: Printer 4-Color: Colored Spots
Field Service Manual Image Quality Problem 4.3.35 Printer 4-Color: colored spots A. Typical Faulty Images 4036fs4052c0 B. Troubleshooting Procedure Step Section Check Item Result Action Imaging Unit The surface of the PC Drum is YES Change Imaging Unit. scratched.
Page 336: Printer 4-Color: Poor Fusing Performance, Offset
Image Quality Problem cm3520 Field Service Manual 4.3.36 Printer 4-Color: poor fusing performance, offset A. Typical Faulty Images Poor fusing performance Offset 4036fs4059c0 4036fs4060c0 B. Troubleshooting Procedure Step Section Check Item Result Action Paper Paper type does not match the set- YES Change the setting of the paper ting on the paper type setting dial.
Page 337: Printer 4-Color: Brush Effect, Blurred Image
Field Service Manual Image Quality Problem 4.3.37 Printer 4-Color: brush effect, blurred image A. Typical Faulty Images Brush effect Blurred image 4036fs4061c0 4036fs4031c0 B. Troubleshooting Procedure Step Section Check Item Result Action Paper Paper is damp. YES Change paper to one just unwrapped from its package.
Page 338: Printer 4-Color: Back Marking
Image Quality Problem cm3520 Field Service Manual 4.3.38 Printer 4-Color: back marking A. Typical Faulty Images 4036fs4062c0 4036fs4063c0 B. Troubleshooting Procedure Step Section Check Item Result Action Image Transfer Image Transfer Roller is scratched YES Change Image Transfer Roller Roller Unit or dirty.
Page 339: Printer 4-Color: 204-Mm-Pitch Uneven Image
Field Service Manual Image Quality Problem 4.3.39 Printer 4-Color: 204-mm-pitch uneven image A. Typical Faulty Images 204-mm-pitch uneven image 204 mm 4036fs4064c0 B. Troubleshooting Procedure Step Section Check Item Result Action Fusing Unit The Fusing Belt is scratchy. YES Change Fusing Unit.
Page 340: Printer 4-Color: 94-Mm-Pitch Uneven Image
Image Quality Problem cm3520 Field Service Manual 4.3.40 Printer 4-Color: 94-mm-pitch uneven image A. Typical Faulty Images 94 mm 94 mm 94 mm 4036fs4057c0 4036fs4056c0 4036fs4055c0 B. Troubleshooting Procedure Step Section Check Item Result Action Imaging Unit The surface of the PC Drum is YES Change Imaging Unit.
Page 341: Appendix
Field Service Manual Parts Layout Drawing V Appendix Parts Layout Drawing Main unit 1.1.1 IR section 4036fs5501c0 Scanner Motor (M201) Scanner Home Sensor (PC201) Image Processing Board (PWB-C) Original Size Sensor CD (PC206) CCD Sensor Board (PWB-A) Original Cover Angle Sensor (PC202)
Page 342: Engine Section
Parts Layout Drawing cm3520 Field Service Manual 1.1.2 Engine section [13] [14] [12] [11] [10] 4036fs5502c0 Cooling Fan Motor/2 (M10) Power Supply Cooling Fan Motor (M21) Fusing Cooling Fan Motor/1 (M9) Left Door Switch (SW3) Fusing Pressure/Retraction Sensor (PC33) [10] Ozone Ventilation Fan Motor (M18)
Page 343 Field Service Manual Parts Layout Drawing [14] [13] [12] [11] [10] 4036fs5503c0 LPH Assy/Bk (LPH Bk) Main Erase Lamp/Y (LA1) LED Drive Board (PWB-LED) ATDC Sensor/Y (PWB-N1) Main Erase Lamp/Bk (LA4) [10] Waste Toner Bottle Set Sensor (PC32) Main Erase Lamp/C (LA3)
Page 344 Parts Layout Drawing cm3520 Field Service Manual [30] [29] [28] [27] [26] [10] [25] [24] [23] [11] [12] [14] [15] [13] [22] [20] [18] [17] [16] [21] [19] 4036fs5504c0 Fusing Cooling Fan Motor/2 (M15) [16] Toner Near-Empty Sensor PQ/C (PC17)
Page 345 Field Service Manual Parts Layout Drawing [13] [12] [10] [11] 4036fs5505c0 Right Door Switch (SW2) Bypass Paper Size Unit (VR1) Tech. Rep. Setting Switches Board Fusing Paper Loop Control Solenoid (SL1) (PWB-S1) Control Panel (UN201) [10] Bypass Paper Pick-Up Solenoid (SL101)
Page 346 Parts Layout Drawing cm3520 Field Service Manual [15] [14] [13] [12] [10] [11] 4036fs5506c0 Fusing Retraction Position Sensor (PC34) Bypass FD Paper Size Sensor/2 (PC112) Synchronizing Roller Sensor (PC28) [10] Bypass Paper Empty Sensor (PC110) 2nd Image Transfer Pressure /Retraction...
Page 347: Tray 1
Field Service Manual Parts Layout Drawing 1.1.3 Tray 1 4036fs5518c0 Tray1 Paper Feed Clutch (CL1) Tray1 CD Paper size Sensor (PC3) Tray1 Double Feed Sensor (PC1) Tray1 Paper Size Board (PWB-I1) Tray1 Paper Empty Sensor (PC2) Tray1 Paper Near-Empty Sensor (PC13)
Page 348: Tray 2
Parts Layout Drawing cm3520 Field Service Manual 1.1.4 Tray 2 [12] [13] [14] [10] [15] [11] 4036fs5519c0 Tray2 Vertical Transport Sensor (PC108) Tray2 CD Paper Size Sensor/S (PC101) Tray2 Paper Take-Up Sensor (PC107) [10] Tray2 Lift-Up Motor (M101) Tray2 Paper Empty Sensor (PC106)
Page 349 Field Service Manual Parts Layout Drawing RADF - 9990 (Option) [17] [16] [15] [14] [13] [12] [11] [10] 4036fs5511c0 Exit Motor (M3-DF) [10] Empty Sensor (PC4-DF) Exit Cover Sensor (PC7-DF) [11] Pick-up Sensor (PC2-DF) Exit Sensor (PC6-DF) [12] Registration Sensor (PC1-DF)
Page 350 Parts Layout Drawing cm3520 Field Service Manual 9993/9994 (Option) [26] [25] [23] [24] [22] [21] [20] [19] [18] [17] [16] [15] [10] [13] [11] [14] [12] 4036fs5512c0 Tray4 Paper Near-Empty Sensor Tray3 Transport Roller Motor (M120-PF) [14] (PC122-PF) Tray4 CD Paper Size Sensor 2...
Page 351 Field Service Manual Parts Layout Drawing 9992 (Option) [24] [23] [22] [21] [20] [19] [10] [11] [18] [12] [13] [17] [14] [15] [16] 4036fs5513c0 Transport Roller Motor (M2-LCT) [13] Paper Descent Key (UN1-LCT) Shifter Return Position Sensor Right Lower Door Sensor (PC5-LCT)
Page 352 Parts Layout Drawing cm3520 Field Service Manual 9997 (Option) [22] [21] [20] [19] [18] [17] [10] [16] [11] [15] [14] [13] [12] 4036fs5514c0 CD Aligning Home Position Sensor Upper Cover Sensor (PC18-FN) [12] (PC9-FN) 1st Tray Full Sensor (PC6-FN) [13] Shift Home Position Sensor (PC10-FN)
Page 353 Field Service Manual Parts Layout Drawing [16] [15] [14] [13] [12] [11] [10] 4036fs5515c0 Upper Entrance Motor (M4-FN) Exit Motor (M3-FN) Storage Roller Home Position Sensor Entrance Motor (M1-FN) [10] (PC12-FN) Exit Roller/Rolls Spacing Motor [11] Upper Paddle Motor (M15-FN)
Page 354 Parts Layout Drawing cm3520 Field Service Manual Job Tray - CM3500010 (Option) 4036fs5526c0 Job Tray Cover Sensor (PC21-FN) Job Tray Full Sensor (PC20-FN) Job Tray Exit Sensor (PC19-FN) 3rd Entrance Switching Solenoid (SL-4) 5-14...
Page 355 Field Service Manual Parts Layout Drawing 9996 (Option) 1.7.1 Main unit [37] [35] [36] [34] [33] [32] [31] [30] [29] [28] [27] [10] [26] [25] [11] [24] [12] [23] [22] [13] [21] [14] [15] [20] [19] [16] [18] [17]...
Page 356: Horizontal Transport Unit
Parts Layout Drawing cm3520 Field Service Manual [14] Front Aligning Motor (M4-FN) [33] Shift Upper Limit Sensor (PI15-FN) [15] Finisher Tray Sensor (PI6-FN) [34] Paddle Motor (M2-FN) Staple/Folding Motor Clock Sensor [16] Staple Safety Switch (Front) (MS4-FN) [35] (PI14-FN) Swing Guide Home Position Sensor...
Page 357 Field Service Manual Parts Layout Drawing Punch Unit - CM3100010 (Option) [10] 4036fs5525c0 Punch Motor (M1P-PK) Side Registration Motor (M2P-PK) Side Registration Home Sensor (PI2P-PK) Punch Trash Full LED Board (PWB-F PK) Punch Trash Full Photo Sensor Board Punch Motor Clock Board (PI3P-PK)
Page 358 Parts Layout Drawing cm3520 Field Service Manual 9991 (Option) 4036fs5517c0 Switchback Motor (M1-DU) Duplex Unit Transport Sensor 2 (PC1-DU) Duplex Unit Door Set Sensor (in PWB-A) Duplex Unit Transport Motor (M2-DU) (Pl2-DU) Duplex Unit Transport Sensor 1 Duplex Control Board (PWB-A DU)
Page 359: Connector Layout Drawing
Field Service Manual Connector layout drawing Connector layout drawing Description ➀ Number of Pin Possible to confirm by removing external cover. Not possible to confirm by removing external cover. [16] [15] [14] [10] [13] [12] [11] 4036fs5507c0 CN No.
Page 360 Connector layout drawing cm3520 Field Service Manual 4036fs5509c0 CN No. Location CN No. Location CN44 G~H-3 CN58 T~U-25 CN45 H~I-3 I-18 CN18 B~C-18 CN10 Q~R-25 CN19 D~E-18 5-20...
Page 361 Field Service Manual Connector layout drawing [27] [26] [25] [24] [23] [22] [21] [20] [19] [10] [11] [12] [13] [15] [14] [16] [17] [18] 4036fs5508c0 CN No. Location CN No. Location CN52 K~L-25 [15] CN105 D~E-3 G-22 [16] CN103...
Page 362 Connector layout drawing cm3520 Field Service Manual [15] [14] [13] [12] [11] [10] 4036fs5510c0 CN No. Location CN No. Location CN22 U-25 CN24 R~S-3~4 CN57 [10] X~Y-3 [11] CN104 B~C-3 CN12 D-13 [12] CN107 D~E-3 CN26 S~T-2~3 [13] CN27 P~Q-3~4...
Page 363: Timing Chart
Field Service Manual Timing chart Timing chart Main unit Print request received Main Motor (M1) Cleaning Brush Motor (M22) Color PC Drum Motor (M5) Bk PC Motor (M7) Color Developing Motor (M6) 2nd Image Transfer Pressure/Retraction Motor (M13) Fusing Drive Motor (M2)
Page 364: 9990 Radf
Timing chart cm3520 Field Service Manual 9990 RADF 3.2.1 1-sided mode 5-24...
Page 365 Field Service Manual Timing chart 5-25...
Page 366 Timing chart cm3520 Field Service Manual 5-26...
Page 367 Field Service Manual Timing chart 5-27...
Page 368: Mixed Original Detection Mode
Timing chart cm3520 Field Service Manual 3.2.2 Mixed original detection mode 5-28...
Page 369 Field Service Manual Timing chart 5-29...
Page 370 Timing chart cm3520 Field Service Manual 5-30...
Page 371 Field Service Manual Timing chart 5-31...
Page 372 Timing chart cm3520 Field Service Manual 5-32...
Page 373 Field Service Manual Timing chart 5-33...
Page 374 Timing chart cm3520 Field Service Manual 5-34...
Page 375 Copier...
Page 376 cm3520...
Page 377 cm3520...
Page 378 cm3520...
Page 379 cm3520...
Page 380 Blank page...
Page 381 Standard Controller Field Service Manual...
Page 382 Blank page...
Page 383 Service Manual - Standard Controller CONTENTS General Controller specifications ..................1-1 Supporting client specifications ................. 1-2 Maintenance Checking the controller firmware version ............. 2-1 Firmware rewriting....................2-1 Preparations for updating the firmware.............. 2-1 2.1.1 Service environment..................2-1 2.1.2 Application to be used .................. 2-1 2.1.3...
Page 384 Service Manual - Standard Controller Data cannot be received in Internet FAX............4-5...
Page 385: Controller Specifications
Service Manual - Standard Controller Controller Specifications I General Controller Specifications Type Built-in type controller B&W :35 ppm Print Speed * Color :22 ppm Printer Language PCL5c MPC8245-350MHz (using the main unit's CPU) 16 MB (8 MB × 2); *Including 46 internal fonts.
Page 386: Supporting Client Specifications
Controller Specifications cm3520 Service Manual - Standard Controller Operating Environ- 10 - 30 °C mental Requirements 15 - 85 % Internal fonts: Outline font: 45Agfa Intellifont: 35 Fonts TrueType font: 10 Bitmapped font: 1 Screen Font: 110 TrueType (Font Manager)
Page 387: Ii Maintenance
Service Manual - Standard Controller Checking the Controller Firmware Version II Maintenance Checking the Controller Firmware Version • The version of the controller firmware can be checked on the control panel of the machine. 1. Call the Tech. Rep. Mode to the screen.
Page 388 Firmware Rewriting cm3520 Service Manual - Standard Controller 4. Click the “New” in System Variable Setting. 4036fs2620e0 5. Set the following two values as the Windows Environmental Variable. Variable Name Variable Value CYGWIN ntsec HOME /home/username 4036fs2621e0...
Page 389: Writing Into The Compact Flash
Service Manual - Standard Controller Firmware Rewriting 2.1.4 Writing into the Compact flash 1. Put the data of Firmware in the optional directory. (C:\TSS2 in the below figure) 4036fs2622e0 NOTE • The file name of Firmware data consists of the “Release Date_Version_CHECKSUM-****.exe”.
Page 390 Firmware Rewriting cm3520 Service Manual - Standard Controller 6. Specify the Drive of Compact flash, which was recognized through the procedure 3, and execute the “mkcf.bat”. (Input the C:\TSS2\card_work>mkfc f (Drive number) in the below figure, and push the “Enter”.) 4036fs2624e0 7.
Page 391: Updating Procedures Of Firmware
Service Manual - Standard Controller Firmware Rewriting Updating procedures of firmware • When removing the Compact flash, be sure to check if data is written as normal and then remove it according to the precise removing method. 2.2.1 Updating method NOTE •...
Page 392: Action When Data Transfer Fails
Firmware Rewriting cm3520 Service Manual - Standard Controller 2.2.2 Action When Data Transfer Fails • If “NG” appears on the Touch Panel, indicating that rewriting has been unsuccessful (in which case the Start key lights up red), take the following steps.
Page 393: Iii Adjustment/Setting
Service Manual - Standard Controller Checking the External Interface Operation III Adjustment/Setting Checking the External Interface Operation Mode Setting • Whenever the controller is mounted, it is necessary to select “Controller 3” in “Peripheral Setting.” 1. Call the Tech. Rep. Mode to the screen.
Page 394: E-Mail Transmission Settings
Setting for PageScope Remote Care cm3520 Service Manual - Standard Controller 6. Touch “Receive”. 7. Touch “E-Mail Address” and type the reception mail address. The reception mail address is [POP3 Login Name]@mail domain name. E.g.: controller@xxx.xxx.com 8. Touch “Mail check” and type the time interval (min.) for mail check. No mails can be received if “No”...
Page 395: Supplementary Information: Log Check
Service Manual - Standard Controller Setting for PageScope Remote Care Supplementary information: Log check • “TX/RX Test” is the function that sends an e-mail to the mail address of the controller (“Email Address” set in “Receive”). The e-mail sent to the controller is received by the controller during mail check.
Page 396 Setting for PageScope Remote Care cm3520 Service Manual - Standard Controller Blank page...
Page 397: Iv Troubleshooting
Service Manual - Standard Controller Checking the System Configuration IV Troubleshooting Checking the System Configuration • When a malfunction occurs, let the printer print a Configuration Page to check for system configuration. 1. Press the Utility key. 2. Touch “Print Set”.
Page 398 Troubleshooting Procedures cm3520 Service Manual - Standard Controller Check Possible Cause Action Remark See “For Network The print destination Set the correct Connection” in Instal- port setting is wrong. port. lation Guide. PC operates errati- Restart the PC. cally temporarily.
Page 399: Unable To Transmit Data Through Scan To Ftp
Service Manual - Standard Controller Troubleshooting Procedures Unable to transmit data through Scan to FTP. Check Possible Cause Action Remark The FTP server is not in Check with the network service. administrator. Check with the network IP address of the FTP administrator and enter server is wrong.
Page 400: Unable To Transmit Data Through Scan To E-Mail/Internet Fax
Troubleshooting Procedures cm3520 Service Manual - Standard Controller Unable to transmit data through Scan to E-Mail/Internet FAX. Check Possible Cause Action Remark The SMTP server is not in Check with the network service. administrator. Check with the network IP address of the SMTP administrator and enter the server is wrong.
Page 401: E-Mail Does Not Reach The Destination When Transmission Through Scan To E-Mail/Scan To Internet Fax Is Completed
Service Manual - Standard Controller Troubleshooting Procedures E-mail does not reach the destination when transmission through Scan to E-Mail/Scan to Internet FAX is completed. Check Possible Cause Action Remark See “Settings and Operations for Scan The destination mail Enter the correct mail Functions Scan to E- address is wrong.
Page 402 Troubleshooting Procedures cm3520 Service Manual - Standard Controller Check Possible Cause Action Remark The reason why the file is not attached to the mail sent by the sender is probably because the The error report sender uses PC mail soft- <Not Attached File>...
Page 403 9990 Field Service Manual...
Page 404 Blank page...
Page 405 Service Manual - 9990 RADF CONTENTS General Product specifications ..................1-1 Type ........................1-1 Functions ......................1-1 Paper type ......................1-1 Machine specifications..................1-2 Operating environment ..................1-2 Mixed original feed ....................1-2 Mixed original feed chart..................1-2 Paper feed prohibited originals ................1-3 Paper feed not guaranteed originals..............
Page 406 bizhub C350 Field Service Ver1.0 Mar. 2004 I/O check list ...................... 3-4 3.2.1 I/O check screen ..................3-4 Mechanical adjustment ..................3-6 Adjustment of the tray volume ................3-6 Adjustment of the document edge guide reference position ......3-7 Adjustment of the document skew..............3-8 Adjustment of the document stop position ............
Page 407: Product Specifications
Service Manual - 9990 RADF Product Specifications I General Product Specifications Type Name Duplexing Document Feeder Paper Take-Up Paper Take-Up from top of stack Transport Endless Belt Transport Mode Type Turnover Loop Turnover Mode U-turn Turnover + Switchback U-Turn Turnover...
Page 408: Machine Specifications
Mixed Original Feed cm3520 Service Manual - 9990 RADF Machine specifications Power Requirements DC24V (supplied from the main unit) DC5V (generated within the DF-601) Max. Power 60 W or less Consumption 586 mm (W) × 519 mm (D) × 135 mm (H) Dimensions 23 inch (W) ×...
Page 409: Paper Feed Prohibited Originals
Service Manual - 9990 RADF Mixed Original Feed Paper feed prohibited originals • If fed, trouble occurrence will be highly possible. Type of Original Possible Trouble Take-up failure, damaged sheet, defective drive Sheets stapled or clipped together mechanism due to jammed staples or clips...
Page 410 Mixed Original Feed cm3520 Service Manual - 9990 RADF Blank page...
Page 411: Ii Maintenance
Service Manual - 9990 RADF Periodical Check II Maintenance Periodical Check Maintenance procedure (Periodical check parts) NOTE • The alcohol described in the cleaning procedure of Maintenance represents the isopropyl alcohol. 1.1.1 Transport Belt A. Replacing procedure 1. Remove two C-clips [1].
Page 412: Pick-Up Roller / Paper Take-Up Roll
Periodical Check cm3520 Service Manual - 9990 RADF 5. Remove the Transport Belt [7]. 4582fs2505c0 1.1.2 Pick-up Roller / Paper Take-up Roller A. Replacing procedure 1. Open the Paper Take-up Section Cover [1], press inward and unlock the locking claws [2] at both ends of...
Page 413: Separation Roller
Service Manual - 9990 RADF Periodical Check 5. Remove C-clip (black) of the Paper Take-up Roller, and remove the Paper Take-up Roller [12]. NOTE • Be careful not to lose the Pick-Up/ Take-Up Roller fixing pin. [12] 4582fs2509c0 1.1.3 Separation Roller A.
Page 414: Pick-Up Roller / Paper Take-Up Roll / Separation Roller
Periodical Check cm3520 Service Manual - 9990 RADF 1.1.4 Pick-up Roller / Paper Take-up Roller / Separation Roller A. Cleaning procedure 1. Open the Paper Take-up Section Cover [1]. 2. Wet a cloth with alcohol, and use it to wipe up the Pick-up Roller [2], Paper Take-up Roller [3] and Separation Roller [4].
Page 415: Exit Roller / Roll
Service Manual - 9990 RADF Periodical Check 1.1.6 Exit Roller / Roll A. Cleaning procedure 1. Open the Paper Exit Section Cover [1]. 2. Wet a cloth with alcohol, and use it to wipe up the Exit Roller [2]/Roll [3].
Page 416 Periodical Check cm3520 Service Manual - 9990 RADF 3. Remove the Registration Roller Cover. ☞ 2-4 4. Clean the Paper Empty Sensor [3] with a brush or the like. 4582fs2519c0 5. Open the Paper Exit Section Cover. 6. Clean the Paper Exit Sensor [4] with a brush or the like.
Page 417: Other
Service Manual - 9990 RADF Other Other Disassembly/Adjustment prohibited items A. Paint-locked Screws NOTE • Paint-locked screws show that the assembly or unit secured can only be adjusted or set at the factory and should not be adjusted, set, or removed in the field.
Page 418: Disassembly/Assembly List (Other Parts)
Other cm3520 Service Manual - 9990 RADF Disassembly/Assembly list (Other parts) Section Part name Ref. page ☞ Front Cover Exterior Parts ☞ Rear Cover Disassembly/Assembly procedure 2.3.1 Front Cover/Rear Cover 4582fs2521c0 1. Open the Paper Take-up Section Cover [1] and the Paper Exit Section Cover [2].
Page 419: Iii Adjustment/Setting
Service Manual - 9990 RADF How to Use the Adjustment Section III Adjustment/Setting How to Use the Adjustment Section • “Adjustment/Setting” contains detailed information on the adjustment items and proce- dures for this machine. • Throughout this section, the default settings are shown in boldface.
Page 420: Tech. Rep. / Test Mode
Tech. Rep. / Test Mode cm3520 Service Manual - 9990 RADF Tech. Rep. / Test Mode • The Tech. Rep. / Test Modes are set from the Tech. Rep. Mode screen of the main unit. Tech. Rep. Mode setting procedure 1.
Page 421: Adf Paper Passage
Service Manual - 9990 RADF Tech. Rep. / Test Mode ADF Paper Passage • The Paper Passage motion of the Automatic Document Feeder is checked. <Procedure> 1. Set the mode to the Tech. Rep. Mode. 2. Touch the “ADF Check” key.
Page 422: I/O Check
I/O Check cm3520 Service Manual - 9990 RADF I/O Check Check procedure • To allow sensors to be checked for operation easily and safely, data applied to the IC on the board can be checked on the panel with the main unit in the standby state (including a misfeed, malfunction, and closure failure condition).
Page 423 Service Manual - 9990 RADF I/O Check A. Sensor monitor Operation characteris- tics/Panel display Symbol Panel display Part/Signal name PC4-DF Empty Empty Sensor Paper not Paper present present PC3-DF FeedS Take-up Cover Sensor OPEN CLOSE PC7-DF Exit Section Exit Cover Sensor...
Page 424: Mechanical Adjustment
Mechanical Adjustment cm3520 Service Manual - 9990 RADF Mechanical Adjustment Adjustment of the tray volume • Read out the value of maximum width and minimum width of the document width detec- tion volume interlocked with the Document Take-up Tray Edge Guide.
Page 425: Adjustment Of The Document Edge Guide Reference Position
Service Manual - 9990 RADF Mechanical Adjustment Adjustment of the document edge guide reference position Adjustment standard: Displacement of the document edge should be within 4 ± 1 mm to the FD scale. A. Adjustment procedure 1. Place the chart furnished with the...
Page 426: Adjustment Of The Document Skew
Mechanical Adjustment cm3520 Service Manual - 9990 RADF Adjustment of the document skew Adjustment standard: Skew should be ± 1.0 % or less with respect to the document length; within 3.0 mm for document of A4 size. 1. Place the chart furnished with the...
Page 427: Adjustment Of The Document Stop Position
Service Manual - 9990 RADF Mechanical Adjustment Adjustment of the document stop position • Adjustment of the document stop position is made automatically and manually (by enter- ing numbers). The following adjustment is made in the Tech. Rep. Mode.
Page 428: Auto Adjust: Fd 2-Sided Stop Position
Mechanical Adjustment cm3520 Service Manual - 9990 RADF 7. Make sure that Result is “OK.” Then, touch “SET.” 8. Touch “END.” 9. Touch “Fin. Time” on the Tech. Rep. Mode screen. If the Result is “NG”: • Check and correct the skew of the 4582fs3533e0 document.
Page 429: Auto Adjust: Cd Image Scan Start Position
Service Manual - 9990 RADF Mechanical Adjustment 4.4.3 Auto adjust: CD image scan start position A. Adjustment procedure 1. Set the mode to the Tech. Rep. Mode. 2. Touch “ADF Check.” 3. Touch “Auto Adjust Stop Position.” 4. Touch “CD.”...
Page 430: Manual Adjust: Fd 1-Sided / 2-Sided Document Stop Position Adjustment
Mechanical Adjustment cm3520 Service Manual - 9990 RADF 4.4.4 Manual adjust: FD 1-Sided / 2-Sided document stop position adjustment Adjusted range: -7 mm to + 7 mm A. Adjustment procedure 1. Set the mode to the Tech. Rep. Mode. 2. Touch “ADF Check.”...
Page 431: Manual Adjust: Cd Image Scan Position Adjustment
Service Manual - 9990 RADF Mechanical Adjustment 4.4.5 Manual adjust: CD Image scan position adjustment Adjusted range: -3 mm to + 3 mm A. Adjustment procedure 1. Set the mode to the Tech. Rep. Mode. 2. Touch “ADF Check.”...
Page 432: Adjustment Of The Loop Value
Mechanical Adjustment cm3520 Service Manual - 9990 RADF Adjustment of the loop value Adjusted range: -5 mm to + 5 mm Default value: 0 (Loop value: 5 mm) • The loop value is increased by the entered + value and decreased by the entered - value.
Page 433: Automatic Adjustment Of The Sensor
Service Manual - 9990 RADF Mechanical Adjustment Automatic adjustment of the sensor • The detection level of the document through path sensor is automatically adjusted. • The adjustment has two modes: “Reset and ADF Sensor Auto Adj.” and “ADF Sensor Auto Adj.”...
Page 434 Mechanical Adjustment cm3520 Service Manual - 9990 RADF Blank page 3-16...
Page 435: Iv Troubleshooting
Service Manual - 9990 RADF Jam Display IV Troubleshooting Jam Display Initial check items • When a paper misfeed occurs, first perform the following initial check items. Check item Action Does paper meet product specifications? Replace paper. Replace paper.
Page 436: Sensor Layout
Jam Display cm3520 Service Manual - 9990 RADF Sensor layout 4582fs4502c0 [1] Exit Sensor PC6-DF [3] Pick-up Sensor PC2-DF [2] Turnover Sensor PC5-DF [4] Registration Sensor PC1-DF Solution 1.4.1 Paper Take-Up section misfeed A. Detection timing Type Description Misfeed due to...
Page 437: Transport Section Misfeed
Service Manual - 9990 RADF Jam Display 1.4.2 Transport section misfeed A. Detection timing Type Description Misfeed due to Misfeed is detected if the Pick-up Sensor (PC2-DF) is not turned OFF within a paper remaining at preset time after the Take-up Motor (M1-DF) started reverse rotation.
Page 438: Paper Exit / Turnover Section Misfeed
Jam Display cm3520 Service Manual - 9990 RADF 1.4.3 Paper Exit / Turnover section misfeed A. Detection timing Type Description Misfeed due to paper remaining at Misfeed is detected if the Turnover Sensor (PC5-DF) is not turned OFF within a the Turnover Sen- preset time after the Turnover Sensor (PC5-DF) was tuned ON.
Page 439: Transport Tray Section Misfeed
Service Manual - 9990 RADF Jam Display 1.4.4 Transport Tray section misfeed A. Detection timing Type Description Misfeed due to paper not reached Misfeed is detected if the Exit Sensor (PC6-DF) is not turned ON within a preset the Exit Sensor time after exit operation started in the 1-Sided Mode.
Page 440: Set Error Detection
Set Error Detection cm3520 Service Manual - 9990 RADF Set Error Detection • When the ADF or cover set error for some reason is detected, the Panel of the main unit will have the following display. 4582fs4503e0 <Panel display and detection timing for each>...
Page 441 9991 Field Service Manual...
Page 442 Blank page...
Page 443 Service Manual - 9991 Duplex Unit CONTENTS General Product specifications ..................1-1 Type ........................1-1 Paper type ......................1-1 Machine specifications..................1-1 Operating environment ..................1-1 Maintenance Periodical check ....................2-1 Maintenance procedure (Periodical check parts) ..........2-1 1.1.1 Transport Roller / Roll 1 ................
Page 444 Service Manual - 9991 Duplex Unit 1.4.1 Duplex Unit transport section misfeed............4-3...
Page 445: Product Specifications
Service Manual - 9991 Duplex Unit Product Specifications I General Product Specifications Type Name Duplex Unit Type Switchback and Circulating Duplex Unit Installation Mounted on the right side door of main unit Document Alignment Center Paper type Paper Type...
Page 446 Product Specifications cm3520 Service Manual - 9991 Duplex Unit Blank page...
Page 447: Ii Maintenance
Service Manual - 9991 Duplex Unit Periodical Check II Maintenance Periodical Check Maintenance procedure (Periodical check parts) NOTE • The alcohol used in the cleaning procedure of Maintenance is isopropyl alcohol. 1.1.1 Transport Roller / Roll 1 A. Cleaning procedure 1.
Page 448: Ventilation Section
Periodical Check cm3520 Service Manual - 9991 Duplex Unit 1.1.3 Ventilation Section A. Cleaning procedure 1. Using a soft cloth dampened with alcohol, wipe the outside of the Ventilation Section [1] clean of dirt. 4535fs2503c0 2. Open the Duplex Unit Door [2].
Page 449: Other
Service Manual - 9991 Duplex Unit Other Other Disassembly/Adjustment prohibited items A. Paint-locked Screws NOTE • Paint-locked screws show that the assembly or unit secured can only be adjusted or set at the factory and should not be adjusted, set, or removed in the field.
Page 450: Disassembly/Assembly List (Other Parts)
Other cm3520 Service Manual - 9991 Duplex Unit Disassembly/Assembly list (Other parts) Section Part name Ref. page ☞ Unit Duplex Unit Disassembly/Assembly procedure 2.3.1 Duplex Unit 1. Remove the wiring cover. ☞ For details of how to remove the wir- ing cover, see the Maintenance of the main unit service manual.
Page 451: Iii Adjustment/Setting
Service Manual - 9991 Duplex Unit How to Use the Adjustment Section III Adjustment/Setting How to Use the Adjustment Section • “Adjustment/Setting” contains detailed information on the adjustment items and proce- dures for this machine. • Throughout this section, the default settings are indicated in boldface.
Page 452: I/O Check
I/O Check cm3520 Service Manual - 9991 Duplex Unit I/O Check Check procedure • To allow sensors to be checked for operation easily and safely, data applied to the IC on the board can be checked on the panel with the main unit in the standby state (including a misfeed, malfunction, and closure failure condition).
Page 453: Mechanical Adjustment
Service Manual - 9991 Duplex Unit Mechanical Adjustment Mechanical Adjustment Changing the cable tension strength (moving of the lever) 1. Remove the Exit Tray of the main unit. ☞ For details about how to remove the Exit Tray of the main unit, see the Maintenance section of the main unit service manual.
Page 454 Mechanical Adjustment cm3520 Service Manual - 9991 Duplex Unit 5. Touch “1st” and then press the “Start” key. A test print will then be produced. 4535fs3510e0 6. Measure the width of printed refer- ence line A. ± Specifications: 3.0 mm 1.0 mm...
Page 455: Iv Troubleshooting
Service Manual - 9991 Duplex Unit Jam Display IV Troubleshooting Jam Display Initial check items • When a paper misfeed occurs, first perform the following initial check items. Check item Action Does the paper meet product specifications? Replace paper.
Page 456: Sensor Layout
Jam Display cm3520 Service Manual - 9991 Duplex Unit Sensor layout 4535fs4502c0 [1] Duplex Unit Transport Sensor 1 PI1-DU [3] Duplex Unit Transport Sensor 2 PC1-DU [2] Synchronizing Roller Sensor PC28...
Page 457: Solution
Service Manual - 9991 Duplex Unit Jam Display Solution 1.4.1 Duplex Unit transport section misfeed A. Detection timing Type Description The Synchronizing Roller Sensor (PC28) is not blocked even after the lapse of a given period of time after the Duplex Paper Take-up sequence started.
Page 458 Jam Display cm3520 Service Manual - 9991 Duplex Unit Blank page...
Page 459 9992 Field Service Manual...
Page 460 Blank page...
Page 461 Service Manual - 9992 LCC CONTENTS General Product Specifications..................1-1 Type ........................1-1 Paper type ......................1-1 Machine specifications..................1-1 Operating environment ..................1-1 Maintenance Periodical Check ....................2-1 Maintenance procedure (Periodical check parts) ..........2-1 1.1.1 Separation Roller Assy ................. 2-1 1.1.2...
Page 462 Service Manual - 9992 LCC Initial check items ....................4-1 Misfeed display ....................4-1 1.2.1 Misfeed display resetting procedure............. 4-1 Sensor layout..................... 4-2 Solution ......................4-3 1.4.1 LCT Paper Take-Up section misfeed ............4-3 Trouble Code......................4-4 Trouble code display ..................4-4 Trouble code list....................
Page 463: Product Specifications
Service Manual - 9992 LCC Product Specifications I General Product Specifications Type Name Large Capacity Tray Type Front loading type LCT Installation Desk type Document Alignment Center Paper type Plain paper 56 to 110 g/m (15 to 29-1/4 lb)
Page 464 Product Specifications cm3520 Service Manual - 9992 LCC Blank page...
Page 465: Ii Maintenance
Service Manual - 9992 LCC Periodical Check II Maintenance Periodical Check Maintenance procedure (Periodical check parts) NOTE • The alcohol described in the cleaning procedure of Maintenance represents the isopropyl alcohol. 1.1.1 Separation Roller Assy A. Cleaning procedure 1. Remove the Right Door.
Page 466: Paper Take-Up Roller
Periodical Check cm3520 Service Manual - 9992 LCC NOTES • Install the Separation Roller Assy while pressing the holder down so that it aligns to the metal bracket of the copier. • Make sure that the Separation Roller Assy is not tilted to the right or left when installed.
Page 467 Service Manual - 9992 LCC Periodical Check 6. Remove two screws [6] and remove the Paper Take-up Cover [7]. 4348fs2504c0 7. Remove two C-rings [8] and remove the bushing [9]. 4348fs2505c0 8. Shift the Shaft Assy [10] in the orien-...
Page 468: Pick-Up Roller
Periodical Check cm3520 Service Manual - 9992 LCC 10. Remove two E-rings [13] and the [15] [13] [13] bushing [14], and remove the Pick- up Roller Fixing Bracket Assy [15]. [14] 4348fs2507c0 11. Remove the C-ring [16] and remove the Paper Take-up Roller [17].
Page 469: Vertical Transport Roller
Service Manual - 9992 LCC Periodical Check 6. Remove two screws [6] and remove the Paper Take-up Cover [7]. 4348fs2515c0 7. Remove two C-rings [8], two bush- ings [9], and the Pick-up Roller Assy [10]. [10] 4348fs2517c0 8. Remove the C-ring [11] and remove the Pick-up Roller [12].
Page 470: Other
Other cm3520 Service Manual - 9992 LCC Other Disassembly/Adjustment prohibited items A. Paint-locked Screws NOTE • Paint-locked screws show that the assembly or unit secured can only be adjusted or set at the factory and should not be adjusted, set, or removed in the field.
Page 471: Disassembly/Assembly List (Other Parts)
Service Manual - 9992 LCC Other Disassembly/Assembly list (Other parts) Section Part name Ref. page ☞ Right Door ☞ Rear Right Cover ☞ Exterior Parts Lower Right Cover ☞ Front Right Cover ☞ Rear Cover ☞ Drawer Unit ☞...
Page 472: Drawer
Other cm3520 Service Manual - 9992 LCC 2.3.3 Drawer 1. Press the Drawer Eject Button [1] and slide out the drawer [2]. 2. Remove the paper. 3. Remove four screws [3] and slide out the drawer [2]. 4348fs2522c0 4. Remove two screws [4], the connec- tor [5], and remove the Connector Board [6].
Page 473 Service Manual - 9992 LCC Other 5. Remove two screws [6] and remove the Driver Cover [7]. 4348fs2527c0 6. Remove three screws [8] and remove the Driver Mounting Plate Assy [9]. 4348fs2528c0 NOTE [10] • When assembling, be sure to engage rib of gear 1 [10] with con- vex section of gear 2 [11].
Page 474 Other cm3520 Service Manual - 9992 LCC 11. Remove the Ground Plate [17]. [18] 12. Remove four Cable Holding Jigs [18] [19] [18] and remove the Main Drawer [19]. NOTE [18] • Use care not to bend the wires. [18]...
Page 475: Iii Adjustment/Setting
Service Manual - 9992 LCC How to Use the Adjustment Section III Adjustment/Setting How to Use the Adjustment Section • “Adjustment/Setting” contains detailed information on the adjustment items and proce- dures for this machine. • Throughout this “Adjustment/Setting” the default settings are indicated by boldface.
Page 476: I/O Check List
I/O Check cm3520 Service Manual - 9992 LCC I/O check list 2.2.1 I/O check screen • This is only typical screen which may be different from what are shown on each individ- ual main unit. 4036fs3027e0 2.2.2 I/O check list...
Page 477 Service Manual - 9992 LCC I/O Check Operation characteris- tics/Panel display Symbol Panel display Part/Signal name PC6-LCT Cassette Open Tray Set Sensor Out of position PC8-LCT Shift Motor Pulse S Shift Motor Pulse Sensor Blocked Unblocked PC10- Elevator Motor Pulse...
Page 478: Mechanical Adjustment
Mechanical Adjustment cm3520 Service Manual - 9992 LCC Mechanical Adjustment Adjusting the paper reference position NOTE • Make this adjustment after any of the following procedures has been performed. When the PH Unit has been replaced. When the image on the print is offset in the FD direction.
Page 479 Service Manual - 9992 LCC Mechanical Adjustment 7. Measure the width of printed refer- ence line A. ± Specification: 3.0 mm 1.0 mm 8. If the measured width A falls outside the specified range, enter the correc- tion value.
Page 480: Shifter Movement Timing Belt Adjustment
Mechanical Adjustment cm3520 Service Manual - 9992 LCC 14. Repeat the adjustment until the reference line falls within the specified range. 15. Tighten the adjustment screw. Shifter movement timing belt adjustment 1. Slide out the Drawer and remove it. 2. Lift the Main Drawer [1], and remove two screws [2] fixing the Shift Tray.
Page 481: Iv Troubleshooting
Service Manual - 9992 LCC Jam Display IV Troubleshooting Jam Display Initial check items • When a paper misfeed occurs, first perform the following initial check items. Check item Action Does paper meet product specifications? Replace paper. Replace paper.
Page 482: Sensor Layout
Jam Display cm3520 Service Manual - 9992 LCC Sensor layout 4348fs4502c0 [1] LCT Vertical Transport Sensor PC2-LCT [2] Paper Feed Sensor PC1-LCT...
Page 483: Solution
Service Manual - 9992 LCC Jam Display Solution 1.4.1 LCT Paper Take-Up section misfeed A. Detection timing Type Description The leading edge of the paper does not block the Paper Feed Sensor (PC1-LCT) or the LCT Vertical Transport Sensor (PC2-LCT) even after the set period of time has elapsed after the Paper Feed Motor (M1-LCT) is energized.
Page 484: Trouble Code
Trouble Code cm3520 Service Manual - 9992 LCC Trouble Code Trouble code display • The main unit's CPU performs a self-diagnostics function that, on detecting a malfunc- tion, gives the corresponding malfunction code on the Touch Panel. 4036fs4012e0 Trouble code list...
Page 485: How To Reset
Service Manual - 9992 LCC Trouble Code Code Item Description C0996 LCT Lock Release Failure • The drawer cannot be determined to be out of position even after the set period of time has elapsed after the Tray Lock Solenoid (SL1-LCT) is energized after the lowering operation is finished.
Page 486: Solution
Trouble Code cm3520 Service Manual - 9992 LCC Solution 2.3.1 C0990:LCT Elevator Motor Failure A. Detection timing Malfunction code Description The Elevator Motor Pulse Sensor (PC10-LCT) cannot detect both edges of H/L C0990 even after the set period of time has elapsed while the Elevator Motor (M5-LCT) is turning backward/forward (raise/lower).
Page 487: C0991: Lct Lift Failure
Service Manual - 9992 LCC Trouble Code 2.3.2 C0991: LCT Lift Failure A. Detection timing Malfunction code Description The Tray Upper Limit Sensor (PC4-LCT) is not blocked even after the set period of time has elapsed after the paper lift-up operation began.
Page 488: C0996: Lct Lock Release Failure
Trouble Code cm3520 Service Manual - 9992 LCC 2.3.3 C0996: LCT Lock Release Failure A. Detection timing Malfunction code Description The drawer cannot be determined to be out of position even after the set period of C0996 time has elapsed after the Tray Lock Solenoid (SL1-LCT) is energized after the lowering operation is finished.
Page 489: C0998: Lct Shift Failure
Service Manual - 9992 LCC Trouble Code 2.3.5 C0998: LCT Shift Failure A. Detection timing Malfunction code Description The Shifter Return Position Sensor (PC11-LCT) is not blocked even after the set period of time has elapsed after the shift operation began (shift to the right).
Page 490: C099C: Lct Shift Motor Failure
Trouble Code cm3520 Service Manual - 9992 LCC 2.3.6 C099C: LCT Shift Motor Failure A. Detection timing Malfunction code Description The Shift Motor Pulse Sensor (PC8-LCT) cannot detect both edges of H/L even C099C after the set period of time has elapsed while the Shift Motor (M4-LCT) is turning backward/forward (raise/lower).
Page 491 9993/9994 Field Service Manual...
Page 492 Blank page...
Page 493 Service Manual - 9993/9994 Paper Feed CONTENTS General Product specifications ..................1-1 Type ........................1-1 Paper type ......................1-1 Machine specifications..................1-1 Operating environment ..................1-1 Maintenance Periodical check ....................2-1 Maintenance procedure (Periodical check parts) ..........2-1 1.1.1 Separation Roller Assy .................
Page 494 Service Manual - 9993/9994 Paper Feed Sensor layout..................... 4-2 Solution ......................4-3 1.4.1 Tray3 Paper Take-Up section misfeed (9993/9994)........4-3 1.4.2 Tray4 Paper Take-Up section misfeed (9994)..........4-4 Malfunction Code ....................4-5 Malfunction code display ................... 4-5 Trouble code list....................4-5 How to reset ......................
Page 495: Product Specifications
Service Manual - 9993/9994 Paper Feed Product specifications I General Product specifications Type Name 2 way Paper Take-Up Cabinet Type Front loading type 2 way paper take-up device Installation Desk type Document Alignment Center Paper type Plain paper 56 to 110 g/m...
Page 496 Product specifications cm3520 Service Manual - 9993/9994 Paper Feed Blank page...
Page 497: Ii Maintenance
Service Manual - 9993/9994 Paper Feed Periodical check II Maintenance Periodical check Maintenance procedure (Periodical check parts) NOTE • The alcohol described in the cleaning procedure of Maintenance represents the isopropyl alcohol. 1.1.1 Separation Roller Assy A. Cleaning procedure 1.
Page 498: Paper Take-Up Roll
Periodical Check cm3520 Service Manual - 9993/9994 Paper Feed 3. Remove the C-ring [9], the Guide [11] [10], and remove the Separation [10] Roller Assy [11]. 4. Repeat steps 1 to 3 similarly for the 4th Drawer. 4348fs2615c0 NOTES • Install the Separation Roller Assy while pressing the holder down so that it aligns to the metal bracket of the copier.
Page 499 Service Manual - 9993/9994 Paper Feed Periodical check 5. Remove two screws [4] and remove the Mounting Frame [5] for the Paper Separation Roller Mounting Bracket Assy. 4348fs2604c0 6. Remove two screws [6] and remove the Paper Take-up Cover [7].
Page 500: Pick-Up Roller
Service Manual - 9993/9994 Paper Feed Periodical check [15] 9. Remove the C-ring [13], the bushing [14], and remove the shaft Assy [15]. [14] [13] 4348fs2608c0 [18] 10. Remove two E-rings [16] and the [16] [16] bushing [17], and remove the Pick- up Roller Fixing Bracket Assy [18].
Page 501 Service Manual - 9993/9994 Paper Feed Periodical check B. Replacing procedure 1. Remove the Rear Right Cover. (Remove the Right Lower Cover for 4th row.) ☞ 2-8 2. Remove the Tray3. (Remove the Tray4 from 4th row.) 3. Remove the Jam Access Cover.
Page 502: Vertical Transport Roller
Service Manual - 9993/9994 Paper Feed Periodical check 1.1.4 Vertical Transport Roller A. Cleaning procedure 1. Open the Right Door. 2. Using a soft cloth dampened with alcohol, wipe the Vertical Transport Roller [1] clean of dirt. 4348fs2620c0...
Page 503: Other
Service Manual - 9993/9994 Paper Feed Other Other Disassembly/Adjustment prohibited items A. Paint-locked Screws NOTE • Paint-locked screws show that the assembly or unit secured can only be adjusted or set at the factory and should not be adjusted, set, or removed in the field.
Page 504: Disassembly/Assembly List (Other Parts)
Service Manual - 9993/9994 Paper Feed Other Disassembly/Assembly list (Other parts) Section Part name Ref. page ☞ Right Door ☞ Rear Right Cover ☞ Exterior parts Lower Right Cover ☞ Front Right Cover ☞ Rear Cover Disassembly/Assembly procedure 2.3.1...
Page 505: Iii Adjustment/Setting
Service Manual - 9993/9994 Paper Feed How to use the adjustment section III Adjustment/Setting How to use the adjustment section • “Adjustment/Setting” contains detailed information on the adjustment items and proce- dures for this machine. • Throughout this “Adjustment/Setting” the default settings are indicated by boldface.
Page 506: I/O Check List
Service Manual - 9993/9994 Paper Feed I/O check I/O check list 2.2.1 I/O check screen • This is only typical screen which may be different from what are shown on each individ- ual main unit. 4036fs3029e0 4036fs3026e0 2.2.2 I/O check list A.
Page 507: Mechanical Adjustment
Service Manual - 9993/9994 Paper Feed Mechanical adjustment Mechanical adjustment Adjusting the paper reference position NOTE • Make this adjustment after any of the following procedures has been performed. When the PH Unit has been replaced. When the image on the print is offset in the FD direction.
Page 508 Service Manual - 9993/9994 Paper Feed Mechanical adjustment 7. Measure the width of printed refer- ence line A. ± Specification: 3.0 mm 1.0 mm 8. If the measured width A falls outside the specified range, enter the correc- tion value.
Page 509: Iv Troubleshooting
Service Manual - 9993/9994 Paper Feed Jam Display IV Troubleshooting Jam Display Initial check items • When a paper misfeed occurs, first perform the following initial check items. Check item Action Does paper meet product specifications? Replace paper. Replace paper.
Page 510: Sensor Layout
Service Manual - 9993/9994 Paper Feed Jam Display Sensor layout 4348fs4602c0 [1] Tray3 Vertical Transport Sensor PC117-PF [3] Tray4 Vertical Transport Sensor PC126-PF [2] Tray3 Paper Take-Up Sensor PC116-PF [4] Tray4 Paper Take-Up Sensor PC125-PF...
Page 511 Service Manual - 9993/9994 Paper Feed Jam Display Solution 1.4.1 Tray3 Paper Take-Up section misfeed (9993/9994) A. Detection timing Type Description The leading edge of the paper does not block the Tray3 Vertical Transport Sensor (PC117-PF) even after the set period of time has elapsed after the Tray3 Paper Feed Motor (M122-PF) is energized.
Page 512 Service Manual - 9993/9994 Paper Feed Jam Display 1.4.2 Tray4 Paper Take-Up section misfeed (9994) A. Detection timing Type Description The leading edge of the paper does not block the Tray4 Vertical Transport Sensor (PC126-PF) even after the set period of time has elapsed after the Tray4 Paper Feed Motor (M123-PF) is energized.
Page 513: Trouble Code List
Service Manual - 9993/9994 Paper Feed Trouble code Trouble code Trouble code display • The main unit's CPU performs a self-diagnostics function that, on detecting a malfunc- tion, gives the corresponding malfunction code on the Touch Panel. 4036fs4012e0 Trouble code list...
Page 514: Solution
Service Manual - 9993/9994 Paper Feed Trouble code Solution 2.4.1 C0900: Tray3 Lift-Up Motor Failure C0950: Tray4 Lift-Up Motor Failure A. Detection timing Malfunction code Description C0900 The Lift-Up Sensor is not blocked even after the set period of time has elapsed after the paper lift-up operation for the drawer began.
Page 515 9996 Field Service Manual...
Page 516 Blank page...
Page 517 Service Manual - 9996 Finisher CONTENTS General Product Specifications..................1-1 Type ........................1-1 Functions ......................1-1 Paper type ......................1-1 1.3.1 Non-Sort ....................... 1-1 1.3.2 Sort ....................... 1-2 1.3.3 Sort staple ....................1-2 1.3.4 Saddle staple....................1-2 1.3.5 Hole punch (optional) ................... 1-2 Stapling......................
Page 518 Service Manual - 9996 Finisher 1.3.17 Exit Roller (Lower) and Paper Exit Belt ............2-14 1.3.18 Stapler/Folding Drive Unit ................2-16 1.3.19 Transport Roller ..................2-17 1.3.20 Middle Transport Roller ................2-18 1.3.21 Punch Unit....................2-19 1.3.22 Finisher Control Board ................2-20 1.3.23 Punch Control Board ..................
Page 519 Service Manual - 9996 Finisher IV Troubleshooting Jam Display ......................4-1 Initial check items ....................4-1 Misfeed display ....................4-1 1.2.1 Misfeed display resetting procedure ............. 4-1 Sensor layout ..................... 4-2 Solution......................4-3 1.4.1 Transport section misfeed................4-3 1.4.2 Horizontal Transport section misfeed ............
Page 520 Service Manual - 9996 Finisher...
Page 521: Product Specifications
Service Manual - 9996 Finisher Product Specifications I General Product Specifications Type Type Multi Staple Finisher with Saddle (Booklet) Installation Freestanding Document Alignment Center Supplies Staple Cartridge Functions No. of Holes (optional) Metric: 4holes, Inch: 2holes / 3holes Non-Sort...
Page 522: Saddle Staple
Product Specifications cm3520 Service Manual - 9996 Finisher 1.3.2 Sort No. of Sheets Paper Type Paper Size Weight Tray Capacity Exit Tray to be Stapled A4R / 8- 1/2×11R 8-1/2×14 B5R/B5 to A3 or smaller or larger 60 to 90 8-1/2 ×...
Page 523: Stapling
Service Manual - 9996 Finisher Product Specifications Stapling Staple Filling Mode Dedicated Staple Cartridge Mode (5000 staples) Staple Detection Available (Nearly Empty: 40 remaining staples) Rear: Parallel 1 point Stapling Position Front: Parallel 1 point Center: Parallel 2 points Stapled Paper Size B5R/B5 to A3, 8-1/2 ×...
Page 524: Operating Environment
Product Specifications cm3520 Service Manual - 9996 Finisher Operating environment Conforms to the operating environment of the main unit.
Page 525: Ii Maintenance
Service Manual - 9996 Finisher Other II Maintenance Other Disassembly/Adjustment prohibited items A. Paint-locked Screws NOTE • Paint-locked screws show that the assembly or unit secured can only be adjusted or set at the factory and should not be adjusted, set, or removed in the field.
Page 526 Other cm3520 Service Manual - 9996 Finisher Disassembly/Assembly list (Other parts) Section Part name Ref. page Exit Tray Front Cover Rear Cover Exterior Parts Upper Door Finisher Tray Upper Cover Upper Cover Side Guide Middle Transport Unit Stapler Saddle Section...
Page 527 Service Manual - 9996 Finisher Other Disassembly/Assembly procedure 1.3.1 Exit Tray 1. Remove four screws [1], and remove the Exit Tray [2]. 4583fs2526c0 1.3.2 Front Cover 1. Remove the Middle Transport Unit. 2. Open the Front Door [1]. 3. While pinching the claws [2], remove the Folding Jam Release Dial [3].
Page 528 Other cm3520 Service Manual - 9996 Finisher 1.3.4 Upper Door 1. Open the Upper Door [1], and remove the Door Band Holder [2] by turning it clockwise. 2. Remove the Door Band [3]. 3. Remove the screw [4], and remove the grounding wire.
Page 529 Service Manual - 9996 Finisher Other 1.3.6 Upper Cover 1. Remove the Front Cover. 2. Remove the Rear Cover. 3. Remove two screws [1]. 4. Open the Upper Door[2],and remove the Upper Cover [3]. 4583fs2535c0 4583fs2536c0 1.3.7 Side Guide 1.
Page 530 Other cm3520 Service Manual - 9996 Finisher 1.3.8 Middle Transport Unit 1. Remove four screws [1]. 2. Hold up the Middle Front Cover [2] and the Middle Rear Cover [3], and remove them while shifting them back and forth. 4583fs2540c0 3.
Page 531 Service Manual - 9996 Finisher Other 1.3.10 Stapler Phase Adjustment • Make phase adjustment of the Stapler following the procedures given below whenever the Gear or Timing Belt in front of the Stapler has been replaced or removed for some reason, since...
Page 532 Other cm3520 Service Manual - 9996 Finisher 10. Remove the Timing Belt [18]. 11. Remove the E-Ring [19], and remove [19] [20] the Staple Position Confirm Gear [20]. [18] 4583fs2507c0 12. Turn the Gear [21] to position the hole [22] in the Gear of the Staple Driver to the hole behind.
Page 533 Service Manual - 9996 Finisher Other 16. Set the Timing Belt [27] to the Gear [28] and Gear [29] with the Gear and the Cam in the fixed condition. [28] [29] [27] 4583fs2512c0 17. Install the Staple Position Confirm...
Page 534 Other cm3520 Service Manual - 9996 Finisher 5. Turn the Folding Jam Release Dial [6] to move the Paper Pressure [7] inside. 4583fs2518c0 6. Remove the C-clip [8], and remove the Timing Belt [9]. [10] 7. Unplug two connectors [10].
Page 535 Service Manual - 9996 Finisher Other NOTE • The mark on the Saddle Cam Drive Gear [5] (either of the two marks) comes face to face with the mark on the Middle Gear [6] (the mark on the semispherical part with narrow gear face width).
Page 536 Other cm3520 Service Manual - 9996 Finisher 7. Remove the C-clip [10], and remove the spacer [11], and remove the Tim- ing Belt [13] from the Gear [12]. 8. Unplug the connector [14], and [12] remove the Harness [16] from the [14] Wire Saddle [15].
Page 537 Service Manual - 9996 Finisher Other 1.3.15 Exit Roller (Upper) 1. Remove the Paddle Section. 2-12 2. Place the Paddle Section [1] as shown in the figure. 4583fs2551c0 3. Turn the gear [2] in the direction indi- cated by an arrow to move up the Exit Roller (Upper) section [3].
Page 538 Other cm3520 Service Manual - 9996 Finisher 3. Turn the gear [2] in the direction indicted by an arrow to move up the Exit Roller (Upper) section [3]. 4583fs2555c0 4. Push up the Safety Guide [4] from the bottom to release it on one side from the shaft [5].
Page 539 Service Manual - 9996 Finisher Other 3. Remove two Holders [4], and remove the Finisher Tray Stopper [5]. 4583fs2560c0 4. Remove the screw [6], and remove the Paper Guide (Front) [8] while dis- engaging two claws [7]. 4583fs2561c0 5. Remove the screw [9], and remove the Paper Guide (Rear) [11] while disengaging the claw [10].
Page 540 Other cm3520 Service Manual - 9996 Finisher 8. Remove the Exit Roller (Lower) [16] [17] and two Paper Exit Belts [17]. [16] 4583fs2565c0 NOTE • When installing, align the edge of claws of the Paper Exit Belt [18]. [18] 4583fs2566c0 1.3.18...
Page 541: Transport Roller
Service Manual - 9996 Finisher Other 8. Remove the screw [9], and remove the claw of Harness Guide [11] from the square hole [10] in the base plate. [11] [10] 4583fs2570c0 9. Unplug two connectors [12], and remove the Harness from the Wire Saddle.
Page 542 Other cm3520 Service Manual - 9996 Finisher 4. Remove the Transport Motor Unit. 2-21 5. Remove the screw [3]. 6. Remove the C-clip [4], and remove the bushing [5]. 4583fs2575c0 7. Remove two screws [6]. 4583fs2577c0 8. Remove the gear 1 [7], and remove...
Page 543: Middle Transport Roller
Service Manual - 9996 Finisher Other 3. Remove the C-clip[3], and remove the bushing [4]. 4583fs2582c0 4. Shift the Shaft Assy in the orientation as shown on the left. 5. Remove the C-clip [5], the Gear [6], the bushing [7], and remove the Mid- dle Transport Roller [8].
Page 544 Other cm3520 Service Manual - 9996 Finisher 9. Remove four screws [11], and [12] [11] remove the Sensor Unit (Upper) [12] and the Sensor Unit (Lower) [13]. [13] [11] [11] [11] 4583fs2589c0 10. Remove the spring[14]. [15] [16] 11. Remove the Punch Unit [16] from the Side Registration Motor section [15].
Page 545: Transport Motor Unit
Service Manual - 9996 Finisher Other 1.3.24 Transport Motor Unit 1. Remove the Rear Cover. 2. Unplug the connector [1]. 3. Remove screw [2], and remove the Harness Guide [3]. 4. Remove three screws [4], and remove the Transport Motor Unit [5].
Page 546 Other cm3520 Service Manual - 9996 Finisher Blank page 2-22...
Page 547: Iii Adjustment/Setting
Service Manual - 9996 Finisher How to Use the Adjustment Section III Adjustment/Setting How to Use the Adjustment Section • “Adjustment/Setting” contains detailed information on the adjustment items and proce- dures for this machine. • Throughout this section, the default settings are shown in boldface.
Page 548: I/O Check List
I/O check cm3520 Service Manual - 9996 Finisher I/O check list 2.2.1 I/O check screen • This is the only typical screen which may be different from that shown on each individual main unit. 4036fs3029e0 4036fs3029e0 2.2.2 I/O check list...
Page 549 Service Manual - 9996 Finisher I/O check Operation characteris- tics/Panel display Symbol Panel display Part/Signal name PI16-FN Lowered Position Shift Lower Limit Sensor LOWER LIMIT PI17-FN Clock Shift Motor Clock Sensor Middle FULL PI18-FN Slide Home Slide Home Position Sensor...
Page 550: Mechanical Adjustment
Mechanical adjustment cm3520 Service Manual - 9996 Finisher Mechanical adjustment Adjustment of the stapling position • The stapling position is adjusted by aligning the stapling position to the folding position. • This adjustment is made in the Tech. Rep. Mode of the main unit. Since the adjustment is made in increments of 1 mm, this adjustment is useful for eliminating a displacement of 1mm or more.
Page 551: 9990-Unequipped Machine
Service Manual - 9996 Finisher Mechanical adjustment Standard:0 ± 2 mm <To - side> <Standard> <Standard> <To + side> <To + side> 4583fs3501c0 11. Adjust with the Keys. When the stapling position is shifted to the direction A: Adjust the value to the - side.
Page 552: Adjustment Of The Folding Position
Mechanical adjustment cm3520 Service Manual - 9996 Finisher Adjustment of the folding position • The folding position is adjusted by aligning the folding position to the stapling position. • This adjustment is made in the Tech. Rep. Mode of the main unit. Since the adjustment is made in increments of 1 mm, this adjustment is useful for eliminating a displacement of 1mm or more.
Page 553: 9990-Unequipped Machine
Service Manual - 9996 Finisher Mechanical adjustment Standard: 0 ± 2 mm <To + side> <Standard> <To - side> 4583fs3502c0 10. Adjust with the Keys.When the stapling position is shifted to the direction A: Adjust the value to the + side.When the stapling position is...
Page 554: Adjustment Of Height And Inclination
Mechanical adjustment cm3520 Service Manual - 9996 Finisher Adjustment of height and inclination 1. Gently move the finisher toward the machine and check for following. • Is the positioning pin aligned with the hole in the finisher? 4583fs3503c0 • Does the horizontal transport unit run excessively slantwise? •...
Page 555 Service Manual - 9996 Finisher Mechanical adjustment 4. Loosen four caster fixing screws[4]. 4583fs3507c0 5. Turn the adjustment screw[5] to make adjustment. • To heighten: Turn the screw counter- clockwise. • To bring down: Turn the screw clock- wise.
Page 556 Board switch cm3520 Service Manual - 9996 Finisher Board switch PWB-A FN (Finisher Control Board) 12 1 CN22 CN18 CN10 CN13 LED2 LED1 PSW2 PSW1 CN21 CN11 4583fs3509c0 Symbol Description Used to adjust the folding position and adjust the center 2-point stapling position.
Page 557: Adjustment Of The Folding Positions
Service Manual - 9996 Finisher Board switch 4.1.1 Adjustment of the folding positions • When a folding position is adjusted, adjust the folding position to the stapling position. Make this adjustment after replacing the Finisher Control Board or when the folding posi- tion must be changed for some reason.
Page 558: Adjustment Of The Center Stapling Position
Board switch cm3520 Service Manual - 9996 Finisher 4.1.2 Adjustment of the center stapling position • When a stapling position is adjusted, adjust the stapling position to the folding position. Make this adjustment after replacing the Finisher Control Board or when the stapling position must be changed for some reason.
Page 559: Pwb-B Pk (Punch Control Board)
Service Manual - 9996 Finisher Board switch PWB-B PK (Punch Control Board) J1007 SW1001 SW1002 SW1003 LED1001 LED1002 LED1003 J1004 J1003 4583fs3514c0 Symbol Description SW1001 Used to register the number of punched holes and adjust the sensor output. SW1002 Used to register the number of punched holes and adjust the sensor output.
Page 560: Adjustment Of The Sensor Output
Board switch cm3520 Service Manual - 9996 Finisher 4.2.1 Adjustment of the sensor output • Be sure to make this adjustment after replacing the Punch Control Board, the Side Reg- istration Sensor (Photosensor Board or LED Board) or the Punch Dust Full Sensor (Punch Dust Full Sensor Board or Punch Dust Full LED Board).
Page 561: Procedure After Replacing The Eep-Rom (Ic1002)
Service Manual - 9996 Finisher Board switch 4.2.3 Procedure after replacing the EEP-ROM (IC1002) 1. Turn OFF the Power switch of the main unit. 2. Set the bits 1 through 4 of DIPSW1001 on the Punch Control Board as shown on the Left fig- ure.Press SW1002 and SW1003 on...
Page 562 Board switch cm3520 Service Manual - 9996 Finisher 8. Turn OFF key 4 of SW1 of the Fin- isher Control Board. 9. Wait until the machine becomes capable of paper feed. 4583fs3526c0 10. Feed one sheet of paper through the machine.
Page 563 Service Manual - 9996 Finisher Board switch 16. Turn ON key 7 of SW1 of the Fin- isher Control Board. NOTES • Flipping ON key 7 of SW1 validates the setting made to the fixed sys- tem based on the paper size as...
Page 564 Board switch cm3520 Service Manual - 9996 Finisher Blank page 3-18...
Page 565: Iv Troubleshooting
Service Manual - 9996 Finisher Jam Display IV Troubleshooting Jam Display Initial check items • When a paper misfeed occurs, first perform the following initial check items. Check item Action Does paper meet product specifications? Replace paper. Replace paper.
Page 566: Sensor Layout
Jam Display cm3520 Service Manual - 9996 Finisher Sensor layout 4583fs4521c0 [1] Turnover Empty Sensor PC6-HO [3] Folding Position Sensor PI10-FN [2] Entrance Sensor PI1-FN [4] Staple Drive Home Position Sensor PI19-FN...
Page 567: Solution
Service Manual - 9996 Finisher Jam Display Solution 1.4.1 Transport section misfeed A. Detection timing Type Description The Entrance Sensor (PI1-FN) does not detect paper even after the lapse of approx. 1.5 sec. after the Entrance Sensor (PI1-FN) has received the paper exit Transport section signal from the main unit.
Page 568: Folding Position Section Misfeed
Jam Display cm3520 Service Manual - 9996 Finisher 1.4.3 Folding position section misfeed A. Detection timing Type Description The Folding Position Sensor (PI10-FN) does not detect paper even after the set period of time after the paper has been fed from the Transport Booklet Tray to the Folding position stapling position during stapling operation.
Page 569: Trouble Code
Service Manual - 9996 Finisher Trouble Code Trouble Code Trouble code display • The main unit's CPU performs a self-diagnostics function that, on detecting a malfunc- tion, gives the corresponding malfunction code on the Touch Panel. 4036fs4012e0 Trouble code list...
Page 570 Trouble Code cm3520 Service Manual - 9996 Finisher Code Item Description C0B25 Stapler Unit Slide Motor malfunc- • The Slide Home Position Sensor (PI18-FN) is not tions unblocked even after the lapse of a given period of time after the Stapler Unit has started moving from its home position.
Page 571 Service Manual - 9996 Finisher Trouble Code Code Item Description C0B55 Stapler/Folding Motor malfunc- • The Staple Drive Home Position Sensor (PI19-FN) is tions not blocked even after the lapse of a given period of time after the clinch operation has started.
Page 572: How To Reset
Trouble Code cm3520 Service Manual - 9996 Finisher Code Item Description C0BA0 Elevate Mechanism malfunctions • The Exit Tray Home Position Sensor (PI9-FN) is not blocked even after the lapse of a given period of time after the tray has started moving up.
Page 573: Solution
Service Manual - 9996 Finisher Trouble Code Solution 2.3.1 C0B00:Transport System Drive malfunctions A. Detection timing Malfunction code Description The Folding Roller Home Position Sensor (PI12-FN) is not unblocked even after the lapse of a given period of time after the Folding Roller has started moving from its home position.
Page 574: C0B05:Paddle Motor Malfunctions
Trouble Code cm3520 Service Manual - 9996 Finisher 2.3.2 C0B05:Paddle Motor malfunctions A. Detection timing Malfunction code Description The Paddle Home Position Sensor (PI2-FN) is not unblocked even after the lapse of a given period of time after the Paddle has started moving from its home posi- tion.
Page 575: C0B25:Stapler Unit Slide Motor Malfunctions
Service Manual - 9996 Finisher Trouble Code 2.3.3 C0B25:Stapler Unit Slide Motor malfunctions A. Detection timing Malfunction code Description The Slide Home Position Sensor (PI18-FN) is not unblocked even after the lapse of a given period of time after the Stapler Unit has started moving from its home posi- tion.
Page 576: C0B39:Front Aligning Plate Motor Malfunctions
Trouble Code cm3520 Service Manual - 9996 Finisher 2.3.4 C0B39:Front Aligning Plate Motor malfunctions A. Detection timing Malfunction code Description The Front Aligning Plate Home Position Sensor (PI4-FN) is not unblocked even after the lapse of a given period of time after the Front Aligning Plate has started moving from its home position to a position out of the home position.
Page 577: C0B3A:rear Aligning Plate Motor Malfunctions
Service Manual - 9996 Finisher Trouble Code 2.3.5 C0B3A:Rear Aligning Plate Motor malfunctions A. Detection timing Malfunction code Description The Rear Aligning Plate Home Position Sensor (PI5-FN) is not unblocked even after the lapse of a given period of time after the Rear Aligning Plate has started moving from its home position to a position out of the home position.
Page 578: C0B4C:booklet Exit Motor Malfunctions
Trouble Code cm3520 Service Manual - 9996 Finisher 2.3.6 C0B4C:Booklet Exit Motor malfunctions A. Detection timing Malfunction code Description The Exit Belt Home Position Sensor (PI7-FN) is not unblocked even after the lapse of a given period of time after the Booklet Exit Belt has started moving from its home position during an initial operation.
Page 579: C0B55:Stapler/Folding Motor Malfunctions
Service Manual - 9996 Finisher Trouble Code 2.3.7 C0B55:Stapler/Folding Motor malfunctions A. Detection timing Malfunction code Description The Staple Drive Home Position Sensor (PI19-FN) is not blocked even after the lapse of a given period of time after the clinch operation has started.
Page 580 Trouble Code cm3520 Service Manual - 9996 Finisher (2) Stapler/Crease Clock Sensor (Stapler Section) Relevant electrical parts Staple/Folding Motor Clock Sensor (PI14-FN) Finisher Control Board (PWB-A FN) Staple/Folding Motor (M7-FN) WIRING DIAGRAM Location Step Action Control signal (Electrical compo- nents)
Page 581 Service Manual - 9996 Finisher Trouble Code Stapler/Crease Clock Sensor (Saddle Section) Relevant electrical parts Staple/Folding Motor Clock Sensor (PI14-FN) Finisher Control Board (PWB-A FN) Staple/Folding Motor (M7-FN) WIRING DIAGRAM Location Step Action Control signal (Electrical compo- nents) Check the motor and sensor connectors for proper connection, and correct as necessary.
Page 582: C0B75:Punch Control Board Malfunctions
Trouble Code cm3520 Service Manual - 9996 Finisher 2.3.8 C0B75:Punch Control Board malfunctions A. Detection timing Malfunction code Description No response is received to a request made by the Finisher within a given period of time during initial communications. No response is received to a request made by the Finisher within a given period of time during ordinary communications.
Page 583: C0B76:Punch Side Registration Motor Malfunctions
Service Manual - 9996 Finisher Trouble Code 2.3.9 C0B76:Punch Side Registration Motor malfunctions A. Detection timing Malfunction code Description The Side Registration Home Sensor (PI2P-PK) is not unblocked even after the lapse of a given period of time after the Punch Side Registration Unit has started moving from its home position.
Page 584: C0B77: Punch Motor Malfunctions
Trouble Code cm3520 Service Manual - 9996 Finisher 2.3.10 C0B77: Punch Motor malfunctions A. Detection timing Malfunction code Description The home position is not detected within a given period of time after the Punch Motor has been rotated a half turn.
Page 585: C0B79:Punch Sensor Malfunctions
Service Manual - 9996 Finisher Trouble Code 2.3.11 C0B79:Punch Sensor malfunctions A. Detection timing Malfunction code Description The light receiving voltage is 2.5 V or less when the illuminating voltage is set to 4.4 V. The light receiving voltage is 2.5 V or more when the illuminating voltage is set to 0 C0B79 The illuminating voltage setting is 4.4 V or more after the adjustment has been...
Page 586: C0Ba0:Elevate Mechanism Malfunctions
Trouble Code cm3520 Service Manual - 9996 Finisher 2.3.12 C0BA0:Elevate Mechanism malfunctions A. Detection timing Malfunction code Description The Exit Tray Home Position Sensor (PI9-FN) is not blocked even after the lapse of a given period of time after the tray has started moving up.
Page 587: C0Bf1:Backup Ram Malfunction
Service Manual - 9996 Finisher Trouble Code 2.3.13 C0BF1:Backup RAM malfunction A. Detection timing Malfunction code Description Data written in the Backup Memory differs from what is recorded in it and writing C0BF1 operation is not correctly performed even with two retry sequences (a total of three writing sequences).
Page 588 Blank page...
Page 589 9997 Field Service Manual...
Page 590 Blank page...
Page 591 Service Manual - 9997 Finisher CONTENTS General Product Specifications..................1-1 Type ........................1-1 Functions ......................1-1 Paper type ......................1-1 1.3.1 Non-Sort ....................... 1-1 1.3.2 Sort/Group....................1-1 1.3.3 Sort staple/Group staple................1-2 Stapling......................1-2 Sort and Staple Capacity................... 1-2 1.5.1...
Page 592 Service Manual - 9997 Finisher Adjustment of the solenoids ................3-4 3.1.1 Adjustment of the Upper / Lower Entrance Switching Solenoid (SL1-FN) ... 3-4 3.1.2 Adjustment of the 1st Tray Entrance Selecting Solenoid (SL2-FN) ....3-4 Timing belt tension adjustment................3-4 3.2.1...
Page 593 Service Manual - 9997 Finisher Malfunction Code ....................4-7 Malfunction code display ................... 4-7 Trouble code list....................4-7 2.2.1 How to reset ....................4-8 Solution......................4-9 2.3.1 C0B20:Stapling Unit Moving Motor (M6-FN) drive malfunction ....4-9 2.3.2 C0B30:CD Aligning Motor (M5-FN) drive malfunction ........ 4-10 2.3.3...
Page 594 Service Manual - 9997 Finisher...
Page 595: Product Specifications
Service Manual - 9997 Finisher Product Specifications I General Product Specifications Type Type Single Staple Finisher Installation Freestanding Document Alignment Center Supplies Staple Cartridge Option Job Tray (CM3500010) Functions Modes Non-Sort/ Sort/ Group/Sort Staple/ Group Staple Paper type 1.3.1 Non-Sort No.
Page 596: Sort Staple/Group Staple
Product Specifications cm3520 Service Manual - 9997 Finisher 1.3.3 Sort staple/Group staple No. of Sheets to Paper Type Paper Size Weight Tray Capacity Exit Tray be Stapled 60to 90 g/m 1,000 sheets 16 to 24 lb (A4R, 8-1/2 × B5R/B5 to A3...
Page 597: Stacking With Stapling
Service Manual - 9997 Finisher Product Specifications 1.5.2 Stacking with stapling • (Reference: Actual value) Determined by number of Sets or number of Sheets based on number of bindings. A. Number of stacked paper No. of Sheets to be Stapled No.
Page 598: Type
Job Tray (CM3500010) Product Specifications cm3520 Service Manual - 9997 Finisher Job Tray (CM3500010) Product Specifications Type Name Job separator Installation Fixed to Finisher Document Alignment Center Functions Modes Non-Sort (in the fax or printer output mode) Paper type Paper Type...
Page 599: Ii Maintenance
Service Manual - 9997 Finisher Other II Maintenance Other Disassembly/Adjustment prohibited items A. Paint-locked Screws NOTE • Paint-locked screws show that the assembly or unit secured can only be adjusted or set at the factory and should not be adjusted, set, or removed in the field.
Page 600: Disassembly/Assembly List (Other Parts)
Other cm3520 Service Manual - 9997 Finisher Disassembly/Assembly list (Other parts) Section Part name Ref. page Upper Cover Upper Front Cover Exterior Parts Lower Front Cover Rear Cover Unit Stapling Unit Disassembly/Assembly procedure 1.3.1 Upper Cover/Upper Front Cover/Lower Front Cover/Rear Cover 1.
Page 601 Service Manual - 9997 Finisher Other 1.3.2 Stapling Unit 1. Holding both sides of the cover [1], lift the cover up and take it off. 4684fs2501c0 2. Remove two screws [2], unplug the connector [3], and remove the Sta- pling Unit [4] from the moving cradle.
Page 602 Other cm3520 Service Manual - 9997 Finisher Blank page...
Page 603: Iii Adjustment/Setting
Service Manual - 9997 Finisher How to Use the Adjustment Section III Adjustment/Setting How to Use the Adjustment Section • “Adjustment/Setting” contains detailed information on the adjustment items and proce- dures for this machine. • Throughout this section, the default settings are shown in boldface.
Page 604: I/O Check List
I/O Check cm3520 Service Manual - 9997 Finisher I/O check list 2.2.1 I/O check screen • This is the only typical screen that may be different from that shown on each individual main unit. 4036fs3028e0 2.2.2 I/O check list A. Sensor monitor 3...
Page 605 Service Manual - 9997 Finisher I/O Check Operation characteris- tics/Panel display Symbol Panel display Part/Signal name PC13-FN Home Exit Roller Home Position Sensor Blocked Unblocked (Exit roller) Home Stapler Home Sensor 1 Unblocked Blocked (Stapler 1) Empty St. 1 Needle...
Page 606: Mechanical Adjustment
Mechanical Adjustment cm3520 Service Manual - 9997 Finisher Mechanical Adjustment Adjustment of the solenoids 3.1.1 Adjustment of the Upper / Lower Entrance Switching Solenoid (SL1-FN) 1. Loosen the screw [1] that secures the solenoid in position. 2. Move the solenoid [2] up and down and lower the lever [3] downward.
Page 607: Adjustment Of The Exit Motor (M3-Fn) Timing Belt
Service Manual - 9997 Finisher Mechanical Adjustment 3.2.3 Adjustment of the Exit Motor (M3-FN) Timing Belt 1. Loosen three screws [1]. 2. Tighten three screws [1] so that the distance D between the upper end face of the head of screws [1] and...
Page 608: Board Switch
Board Switch cm3520 Service Manual - 9997 Finisher Board Switch 4684fs4503c0 Symbol Description Used to run the Test Mode operation. Used to run the Test Mode operation. DIP switch used to set the Test Mode operation. Turn ON or OFF, or blink to indicate a specific condition during Test Mode LED1 to 4 operations.
Page 609: Test Mode
Service Manual - 9997 Finisher Test Mode Test Mode Test mode setting procedure <Setting Procedure> 1. Turn OFF the Power Switch of the main unit. 2. Flip keys of the DIP switch into the ON or OFF position as necessary. (See Table below.)
Page 610: Operation In Each Test Mode Operation
Test Mode cm3520 Service Manual - 9997 Finisher Operation in each test mode operation 5.3.1 1st Tray Exit S1-FN:ON Motors and solenoids: Energized Entrance Motor (M1-FN), Upper Entrance Motor (M4-FN), Upper/ Lower Entrance Switching Solenoid (SL1-FN), 1st Tray Entrance Switching Solenoid (SL2-FN)
Page 611: Aligning Plate Operation
Service Manual - 9997 Finisher Test Mode 5.3.5 Aligning Plate Operation S1-FN:ON At the home position S1-FN:ON At a position to align A4 paper S1-FN:ON At a position to align Letter paper S1-FN:ON At a position to align A4R paper...
Page 612: Storage Roller/Rolls Spacing
Test Mode cm3520 Service Manual - 9997 Finisher 5.3.8 Storage Roller/Rolls Spacing S1-FN:ON Pressed S2-FN:ON Separated 5.3.9 Elevator Tray Operation S1-FN:ON Goes up until the Elevator Tray Upper Limit Sensor PQ (PWB-D FN) is blocked. S2-FN:ON Goes down until the Elevator Tray Upper Limit Sensor PQ (PWB-D FN) is unblocked.
Page 613: Iv Troubleshooting
Service Manual - 9997 Finisher Jam Display IV Troubleshooting Jam Display Initial check items • When a paper misfeed occurs, first perform the following initial check items. Check item Action Does paper meet product specifications? Replace paper. Replace paper.
Page 614: Sensor Layout
Jam Display cm3520 Service Manual - 9997 Finisher Sensor layout 4684fs4502c0 [1] Job Tray Exit Sensor PC19-FN [6] Paper Sensor PC1-HO [2] 1st Tray Exit Sensor PC1-FN [7] Storage Sensor PC3-FN [3] Upper Entrance Sensor PC4-FN [8] Finisher Tray Paper Sensor...
Page 615 Service Manual - 9997 Finisher Jam Display Solution 1.4.1 Transport section misfeed A. Detection timing Type Description The 1st Tray Exit Sensor (PC1-FN) is not blocked even after the lapse of a given period of time after the leading edge of the paper has blocked the Paper Sensor (PC1-HO) of the Horizontal Transport Unit.
Page 616: Tray1 Exit Section Misfeed
Jam Display cm3520 Service Manual - 9997 Finisher 1.4.2 Tray1 Exit section misfeed A. Detection timing Type Description Tray1 Exit section The 1st Tray Exit Sensor (PC1-FN) is not unblocked even after the lapse of a misfeed detection given period of time after it has been blocked.
Page 617: Elevator Tray Exit Section Misfeed
Service Manual - 9997 Finisher Jam Display 1.4.4 Elevator Tray Exit section misfeed A. Detection timing Type Description Elevator Tray Exit The Storage Sensor (PC3-FN) is not unblocked even after the lapse of a given section misfeed period of time after it has been blocked.
Page 618: Stapler Section Misfeed
Jam Display cm3520 Service Manual - 9997 Finisher 1.4.6 Stapler section misfeed A. Detection timing Type Description Stapler section mis- The Stapler does not return to its home position within a given period of time after feed detection the forward drive of the Stapler has been started.
Page 619: Trouble Code List
Service Manual - 9997 Finisher Trouble Code Trouble Code Trouble code display • The main unit's CPU performs a self-diagnostics function that, on detecting a malfunc- tion, gives the corresponding malfunction code on the Touch Panel. 4036fs4012e0 Trouble code list...
Page 620: How To Reset
Trouble Code cm3520 Service Manual - 9997 Finisher Code Item Description C0BA0 Elevator Motor (M7-FN) drive • The Elevator Tray Upper Limit Sensor PQ (PWB-D FN) malfunctions is not activated even after the lapse of a given period of time after M7-FN has been energized (to start raising the Elevator Tray).
Page 621: Solution
Service Manual - 9997 Finisher Trouble Code Solution 2.3.1 C0B20:Stapling Unit Moving Motor (M6-FN) drive malfunction A. Detection timing Malfunction code Description The Staple Home Position Sensor (PC14-FN) does not go HIGH even after the C0B20 lapse of a given period of time after M6-FN has been energized (to return the Sta- pling Unit to its home position).
Page 622: C0B30:Cd Aligning Motor (M5-Fn) Drive Malfunction
Trouble Code cm3520 Service Manual - 9997 Finisher 2.3.2 C0B30:CD Aligning Motor (M5-FN) drive malfunction A. Detection timing Malfunction code Description The CD Aligning Home Position Sensor (PC9-FN) does not go LOW even after the C0B30 lapse of a given period of time after M5-FN has been energized (to return the Align- ing Plate to its home position).
Page 623: C0B48:Exit Roller/Rolls Spacing Motor (M13-Fn) Drive Malfunction
Service Manual - 9997 Finisher Trouble Code 2.3.3 C0B48:Exit Roller/Rolls Spacing Motor (M13-FN) drive malfunction A. Detection timing Malfunction code Description The Exit Roller Home Position Sensor (PC13-FN) does not go HIGH even after the C0B48 lapse of a given period of time after M13-FN has been energized (to start spacing/ pressure sequence).
Page 624: C0B4A:storage Roller/Rolls Spacing Motor (M12-Fn) Drive Malfunction
Trouble Code cm3520 Service Manual - 9997 Finisher 2.3.4 C0B4A:Storage Roller/Rolls Spacing Motor (M12-FN) drive malfunction A. Detection timing Malfunction code Description The Storage Roller Home Position Sensor (PC12-FN) does not go HIGH even after C0B4A the lapse of a given period of time after M12-FN has been energized (to start spac- ing/pressure sequence).
Page 625: C0B80:Shift Motor (M8-Fn) Drive Malfunction
Service Manual - 9997 Finisher Trouble Code 2.3.6 C0B80:Shift Motor (M8-FN) drive malfunctions A. Detection timing Malfunction code Description The Shift Home Position Sensor (PC10-FN) does not go HIGH even after the lapse of a given period of time after M8-FN has been energized (to start returning the Elevator Tray to its home position).
Page 626: C0Ba0:Elevator Motor (M7-Fn) Drive Malfunction
Trouble Code cm3520 Service Manual - 9997 Finisher 2.3.7 C0BA0:Elevator Motor (M7-FN) drive malfunctions A. Detection timing Malfunction code Description The Elevator Tray Upper Limit Sensor PQ (PWB-D FN) is not activated even after the lapse of a given period of time after M7-FN has been energized (to start raising the Elevator Tray).
Page 631 9996...
Page 632 9997...
Page 633 Theory of Operation Service Manual...
Page 634 Blank page...
Page 635 IMPORTANT NOTICE Because of possible hazards to an inexperienced person servicing this product as well as the risk of damage to the product, Imagistics International Inc. strongly recommends that all servicing be performed only by Imagistics-trained service technicians. Changes may have been made to this product to improve its performance after this Service Manual was printed.
Page 636 DANGER : PROHIBITED ACTIONS • Using any cables or power cord not specified by Imagis- tics. • Using any fuse or thermostat not specified by Imagistics. Safety will not be assured, leading to a risk of fire and injury. • Disabling fuse functions or bridging fuse terminals with wire, metal clips, solder or similar object.
Page 637 • Check if the power cord is damaged. Check if the sheath is damaged. If the power plug, cord, or sheath are damaged, replace with a new power cord (with plug and connector on each end) specified by Imagistics. Using the damaged power cord may result in fire or electric shock.
Page 638 SAFETY AND IMPORTANT WARNING ITEMS cm3520 Service Manual WARNING: Power Plug and Cord • When using the power cord (inlet type) that came with this product, be sure to observe the following precautions: a. Make sure the connector is securely inserted in the inlet on the rear panel of the product.
Page 639 Service Manual SAFETY AND IMPORTANT WARNING ITEMS WARNING: Wiring • When an extension cord is required, use the one specified. Current that can flow in the extension cord is limited, so using an extension cord that is too long may result in fire.
Page 640 SAFETY AND IMPORTANT WARNING ITEMS cm3520 Service Manual CAUTION: Ventilation • The product generates ozone gas during operation, but it will not be harmful to the human body. If a bad smell of ozone is present in the following cases, ventilate the room.
Page 641 Service Manual SAFETY AND IMPORTANT WARNING ITEMS WARNING: Work Performed with the product Powered • Take every care when making adjustments or performing an operation check with the product powered. If you make adjustments or perform an operation check...
Page 642 SAFETY AND IMPORTANT WARNING ITEMS cm3520 Service Manual WARNING: Safety Checkpoints • Before disassembling or adjusting the write unit (P/H unit) incorporating a laser, make sure that the power cord has been disconnected. The laser light can enter your eye, leading to a risk of loss of eyesight.
Page 643 Service Manual SAFETY AND IMPORTANT WARNING ITEMS WARNING: HANDLING OF CONSUMABLES • Toner and developer are not harmful substances, but care must be taken not to breathe excessive amounts or let the substances come into contact with eyes, etc. It may be stimulative.
Page 644 Service Manual [3] MEASURES TO TAKE IN CASE OF AN ACCIDENT If an accident has occurred, the local Imagistics district office must be notified so that immediate emergency measures can be taken to provide relief to affected persons and to prevent further damage.
Page 645 Service Manual SAFETY AND IMPORTANT WARNING ITEMS INDICATION OF WARNING ON THE MACHINE Caution labels shown are attached in some areas on/in the machine. When accessing these areas for maintenance, repair, or adjustment, special care should be taken to avoid burns and electric shock.
Page 646 SAFETY AND IMPORTANT WARNING ITEMS cm3520 Service Manual Do not throw into a fire 4036fsS002c0 High voltage High voltage 4036fsS003c0 S-12...
Page 647 Service Manual - Theory of Operation CONTENTS Outline System configuration.................... 1-1 Product specifications ..................1-3 Type ........................1-3 Functions ......................1-3 Types of paper ....................1-4 Maintenance ...................... 1-4 Machine specifications..................1-4 Operating environment ..................1-4 Built-in controllers ....................1-5 Center cross section ....................
Page 648 Service Manual - Theory of Operation Operation......................2-16 5.3.1 PC Drum Drive mechanism................ 2-16 5.3.2 PC Drum Phase control ................2-16 5.3.3 PC Drum small amount rotation control ............. 2-17 Charge Corona section ..................2-18 Operation......................2-19 6.1.1 PC Drum Charge Corona ON/OFF control..........2-19 6.1.2...
Page 649 Service Manual - Theory of Operation 9.3.6 Transfer Belt cleaning ................. 2-42 9.3.7 2nd Image Transfer Roller cleaning ............2-43 9.3.8 Charge neutralization and separation of paper .......... 2-44 9.3.9 Detection of New Transfer Belt Unit ............2-45 9.3.10 ACS control....................2-46 Toner Collecting section ..................
Page 650 Service Manual - Theory of Operation Synchronizing Roller section................2-69 14.1 Composition ....................2-69 14.2 Drive ........................ 2-69 14.3 Operation......................2-70 14.3.1 Synchronizing Roller control............... 2-70 14.3.2 OHP detection .................... 2-71 Fusing section....................2-72 15.1 Composition ....................2-72 15.2 Drive ........................ 2-73 15.3 Operation......................
Page 651: I Outline
Service Manual - Theory of Operation System Configuration I Outline System Configuration 1/2 System front view [11] [12] [13] [10] Machine Job Tray for 9997 (CM3500010) Automatic Duplex Unit (9991) Saddle Stitch Finisher (9996) Paper Feed Cabinet (9994) [10] Punch Kit for 9996 (CM3100010)
Page 652 System Configuration cm3520 Service Manual - Theory of Operation 2/2 System rear view [10] [11] Machine Local Interface Kit* Vendor Kit* Mechanical Counter (South Central America, North America, Europe Only) Data Terminal* (South Central America, Key Counter Kit (CM3500120) North America Only)
Page 653: Product Specifications
Service Manual - Theory of Operation Product Specifications Product Specifications Type Type Desktop-type printer integrated with scanner Copying System Electrostatic dry-powdered image transfer to plain paper Printing Process Tandem-type indirect electrostatic recording system PC Drum Type OPC (organic photo conductor)
Page 654: Types Of Paper
Product Specifications cm3520 Service Manual - Theory of Operation Types of paper Paper Source Tray1 Tray2 Multiple Bypass Plain paper (60 to 90 g/m Translucent paper – – – OHP transparencies – (crosswise feeding only) Thick paper 1 – (91 to 150 g/m...
Page 655: Built-In Controllers
Service Manual - Theory of Operation Product Specifications Built-in controllers Printer Driver PCL5c printer driver Scan Driver TWAIN driver OS Compatibility Windows 98/Me, Windows NT/2000/XP, Windows Server 2003 Interface Ethernet 10/100BaseTX NOTE • These specifications are subject to change without notice.
Page 656: Center Cross Section
Center Cross Section cm3520 Service Manual - Theory of Operation Center Cross Section [10] 4036ma101c0 CCD Unit Multiple Bypass Fusing Unit Tray2 Imaging Unit/Bk Imaging Unit/M Imaging Unit/C Imaging Unit/Y Tray1 [10] Transfer Belt Unit...
Page 657: Paper Path
Service Manual - Theory of Operation Paper Path Paper Path 4036ma102c0...
Page 658: Image Creation Process
Image Creation Process cm3520 Service Manual - Theory of Operation Image Creation Process [1] Photoelectric Conversion [2] IR Image Processing [10] Paper Separation [9] 2nd Image Transfer [11] Transfer Belt Cleaning [8] 1st Image Transfer [12] PC Drum Cleaning [4] PC Drum...
Page 659 Service Manual - Theory of Operation Image Creation Process • The paper, which has undergone the 2nd image transfer process, is neu- [10] Paper Separation tralized so that it can be properly separated from the Transfer Belt by the Paper Separator Claws.
Page 660 Image Creation Process cm3520 Service Manual - Theory of Operation Blank page 1-10...
Page 661: Ii Composition/Operation
Service Manual - Theory of Operation Overall Composition II Composition/Operation Overall Composition Timing chart at machine power up Temperature Control Power Switch ON Fusing Pressure Roller Heater Lamp (H3) Heating Roller Heater Lamp/1 (H1) 100°C Fusing Pressure Roller Pressure/...
Page 662: Control Block Diagram
Overall Composition cm3520 Service Manual - Theory of Operation Control block diagram Scanner Section Exposure Lamp CCD Sensor Inverter Board (FL201) Board (PWB-A) Scanner Motor Drive Board (PWB-IC) Image Processing Board (PWB-C) 9990 Scanner Motor (M201) Panel Printer Section MFP Control Board (PWB-MFP)
Page 663: Scanner Section (Ir Section)
Service Manual - Theory of Operation Scanner Section (IR Section) Scanner Section (IR Section) Composition 4036ma2110c0 4036ma2501c0 [10] [11] [13] [12] 4036ma2001c1...
Page 664 Scanner Section (IR Section) cm3520 Service Manual - Theory of Operation Name Function/System [1] Original Cover Angle Sensor (PC202) • Validates or resets the size of the original. [2] Original Size Sensor FD1 (PC203) • Detects the original of a small size in the FD direction.
Page 665: Drive
Service Manual - Theory of Operation Scanner Section (IR Section) Drive 4036ma2002c1 Scanner Drive Cable/R Scanner Motor Mirror Unit Scanner Drive Cable/F Exposure Unit Scanner Home Sensor Operation 2.3.1 Scan and Exposure Lamp control A. When the Power Switch is turned ON 1.
Page 666: Original Size Detection Control
Scanner Section (IR Section) cm3520 Service Manual - Theory of Operation B. When the Start key is pressed 1. The Exposure Lamp turns ON when the Start key is pressed. 2. The gain adjustment is made when the Exposure Unit moves past the point under the shading sheet.
Page 667 Service Manual - Theory of Operation Scanner Section (IR Section) • The Image Processing Board determines the size of the original based on the combina- tion of detection made by each of the Original Size Sensors, whether or not there is an original loaded.
Page 668 Scanner Section (IR Section) cm3520 Service Manual - Theory of Operation Inch Area - Standard Original Size Determined 11 × 17 – 8.5 × 14 – – 8.5 × 11R – – – 8.5 × 11 – – – –...
Page 669: Write Section (Ph Section)
Service Manual - Theory of Operation Write Section (PH Section) Write Section (PH Section) Composition 4036ma2218c0 4036ma2502c0 4036ma2219c0 Name Function/System LED Unit • Four LED assemblies are integrated into a single unit. • The rays of light emitted by the LED chips are brought to a focus SELFOC Lens on the surface of the PC Drum to form a full-size image.
Page 670: Operation
Write Section (PH Section) cm3520 Service Manual - Theory of Operation Operation 3.2.1 Outline • Each of the PC Drums is irradiated with LED light and an electrostatic latent image is thereby formed. • The LED print head is a fixed scanning type exposure system that includes approx.
Page 671: Color Shift Correction System
Service Manual - Theory of Operation Write Section (PH Section) 3.2.2 Color Shift Correction System • In a tandem engine, in which an independent image reproduction process is provided for each of the four different colors of toner. Incorrect color registration, or color shift, is therefore more likely to occur due to each of the LED assemblies being out of correct position.
Page 672: Imaging Unit Section (Iu Section)
Imaging Unit Section (IU Section) cm3520 Service Manual - Theory of Operation Imaging Unit Section (IU Section) Composition 4036ma2130c0 4036ma2503c0 4036ma2239c0 Name Function/System • Forms an image of each of different colors. PC Drum/Y, M, C, Bk • OPC drum (φ30 mm) Cleaning Blade •...
Page 673: Drive
Service Manual - Theory of Operation Imaging Unit Section (IU Section) Drive 4036ma2008c1 4036ma2007c1 Developing Clutch/Bk (CL2) Color Developing Motor (M6) Bk PC Motor (M7) Color PC Drum Motor (M5) 2-13...
Page 674: Operation
Imaging Unit Section (IU Section) cm3520 Service Manual - Theory of Operation Operation 4.3.1 IU Life control • Each IU has EEPROM that detects a new IU and keeps track of the service life of the IU. A. New IU detection •...
Page 675: Photo Conductor Section
Service Manual - Theory of Operation Photo Conductor Section Photo Conductor Section Composition Charge Generating Layer (CGL) Charge Transport Layer (CTL) Aluminum Cylinder 4036ma2338c0 4036ma2543c0 Name Function/System • Forms an image of each of different colors. PC Drum/Y, M, C, Bk •...
Page 676 Photo Conductor Section cm3520 Service Manual - Theory of Operation Operation 5.3.1 PC Drum Drive mechanism • Two independent PC Drum motors are used for the drive mechanism to suppress incor- rect color registration and uneven pitch. • The Color PC Drum Motor drives the PC Drums/Y, M, and C, while the Bk PC Motor drives the PC Drum/Bk.
Page 677 Service Manual - Theory of Operation Photo Conductor Section 5.3.3 PC Drum small amount rotation control • Humidity around the IU can produce a difference in sensitivity among different PC Drums. This could lead to drum memory, allowing black bands to occur in the image. In addition, ozone stagnant in areas near the PC Drum Charge Corona reduces sensitivity of the PC Drums, causing white bands to occur in the image.
Page 678: Charge Corona Section
Charge Corona Section cm3520 Service Manual - Theory of Operation Charge Corona Section 4036ma2130c0 4036ma2506c0 4036ma2138c0 4036ma2009c1 Name Function/System Corona Wire • Comb electrode type • For cleaning the corona wire Corona Wire Cleaning Lever • Slide out to clean the corona wire.
Page 679 Service Manual - Theory of Operation Charge Corona Section Operation 6.1.1 PC Drum Charge Corona ON/OFF control • The grid voltage (VG) applied to the Grid Mesh is controlled through the image stabiliza- tion control. Color PC Drum Motor Energized...
Page 680: Developing Section
Developing Section cm3520 Service Manual - Theory of Operation Developing Section Composition 4036ma2139c0 4036ma2130c0 4036ma2011c1 4036ma2010c1 Name Function/System [1] Doctor Blade • Controls the height of the developer brush on the Developing Roller Supply/Agitating/Convey- • Vertical two-shaft circulating system that employs screws having a...
Page 681 Service Manual - Theory of Operation Developing Section Drive 4036ma2604c0 4036ma2603c0 PC Drum/Bk Bk PC Motor (M7) Developing Roller PC Drum/Y Toner Collecting Screw Color Developing Motor (M6) Supply/Agitating/Conveying Screws Color PC Drum Motor (M5) Developing Clutch/Bk (CL2) 2-21...
Page 682 Developing Section cm3520 Service Manual - Theory of Operation Operation 7.3.1 Developing Drive control Retraction Signal Main Motor ON Signal Printing DC AC *1 Developing Bias/Y, M, C Main Motor (M1) Color PC Drum Motor (M5) Bk PC Motor (M7)
Page 683 Service Manual - Theory of Operation Developing Section Developing Roller For IU/Y PC Drum/Y Doctor Blade Toner Sup- plied from Hop- Supply/Agitating/Conveying Screws 4036ma2605c0 7.3.3 Developing bias • The developing bias voltage (Vb) is applied to the Developing Roller so that an adequate amount of toner is attracted onto the surface of the PC Drum.
Page 684 Developing Section cm3520 Service Manual - Theory of Operation Holder Filter Holder 4036ma2247c0 7.3.6 ATDC Sensor control • The ATDC Sensor is mounted on the underside of each of the Developing Sections. The sensor for C, M, and Y is an optical type, while that for Bk is a magnetic type. Each of these sensors detects toner-to-carrier ratio (T/C) of the developer.
Page 685 Service Manual - Theory of Operation Developing Section ATDC Sensor/Y, M, ATDC Sensor/Bk Optical ATDC Sensor Magnetic ATDC Sensor 4036ma2504c0 4036ma2508c0 Magnetic Brush Mylar ATDC Sensor ATDC Sensor/Bk ATDC Sensor/C, M, Window Y (PWB-N1, N2, N3) 4036ma2187c0 4036ma2188c0 ATDC window bias •...
Page 686: Toner Supply Section
Toner Supply Section cm3520 Service Manual - Theory of Operation Toner Supply Section Composition 4036ma2143c0 4036ma2510c0 [11] [12] [13] [10] 4036ma2511c0 [14] 4036ma2512c1 Name Function/System Cartridge/Y • Replenishes the supply of Y toner Cartridge/M • Replenishes the supply of M toner Cartridge/C •...
Page 687 Service Manual - Theory of Operation Toner Supply Section Name Function/System Toner Set Sensor/M • Detects Cartridge/M as it is loaded in position Toner Set Sensor/Y • Detects Cartridge/Y as it is loaded in position • Drives the Agitating Blades and Metering Rollers of...
Page 688 Toner Supply Section cm3520 Service Manual - Theory of Operation Operation 8.3.1 Toner Replenishing mechanism/control A. Toner replenishing mechanism • Toner is supplied from the Toner Cartridge of each color to the Imaging Unit of each color according to the T/C detected by the corresponding ATDC Sensor.
Page 689: Toner Near-Empty And Toner Empty Detection Control
Service Manual - Theory of Operation Toner Supply Section 8.3.2 Toner Near-Empty and Toner Empty detection control • A toner near-empty/empty condition is detected by the Toner Near-Empty Sensor PQ and LED mounted on each of the Toner Cartridges.
Page 690: Shutter Mechanism
Toner Supply Section cm3520 Service Manual - Theory of Operation 8.3.3 Shutter mechanism • To prevent toner from being spilled when the Toner Cartridge is removed from the machine, there is a shutter mechanism provided. When the Toner Cartridge is installed in the machine, the shutter opens.
Page 691: Transfer Corona Section
Service Manual - Theory of Operation Transfer Corona Section Transfer Corona Section Composition 9.1.1 1st Image Transfer section 4036ma2152c0 4036ma2518c0 [10] [11] [12] 4036ma2606c0 [13] [15] 4036ma2157c0 [14] 2-31...
Page 692 Transfer Corona Section cm3520 Service Manual - Theory of Operation Name Function/System Paper Separator Claws • Separate paper • Transfers the toner image from the PC Drum/C onto the Transfer Belt (1st image transfer) 1st Image Transfer Roller/C • Image Transfer Roller system •...
Page 693: 2Nd Image Transfer Section
Service Manual - Theory of Operation Transfer Corona Section 9.1.2 2nd Image Transfer section 4036ma2019c1 4036ma2243c0 4036ma2154c0 4036ma2542c0 Name Function/System • Transfers the toner images in four colors of toner on the Transfer Belt to the paper 2nd Image Transfer Roller •...
Page 694: Drive
Transfer Corona Section cm3520 Service Manual - Theory of Operation Drive 9.2.1 1st Image Transfer section 4036ma2020c1 [10] 4036ma2158c0 Transfer Belt 1st Image Transfer Roller/M Main Motor (M1) 1st Image Transfer Retraction Position Sensor (PC12) Sliding Plate 1st Image Transfer Pressure/Retraction Motor (M11)
Page 695: Operation
Service Manual - Theory of Operation Transfer Corona Section 9.2.2 2nd Image Transfer section 4036ma2156c0 2nd Image Transfer Roller Pressure Lever 2nd Image Transfer Pressure/Retraction Sensor AIDC/Registration Sensor/1 (PC8) (PC29) 2nd Image Transfer Pressure/Retraction Motor Shutter (M13) AIDC/Registration Sensor/2 (PC9) Operation 9.3.1...
Page 696: 1St Image Transfer Roller Mechanism
Transfer Corona Section cm3520 Service Manual - Theory of Operation 9.3.2 1st Image Transfer Roller mechanism • The machine is provided with a mechanism that presses the 1st Image Transfer Rollers up against the inside of the Transfer Belt during the 1st image transfer stage. The 1st Image Transfer Pressure/Retraction Motor (M11) provides the drive for this operation.
Page 697 Service Manual - Theory of Operation Transfer Corona Section B. Pressure position changing mechanism • To extend the service life of the PC Drum/Y, M, C, the pressure position of the 1st Image Transfer Roller is changed between the monochrome mode and the color mode. In the monochrome mode, the 1st Image Transfer Roller/Y, M, C is left in the retracted position and the PC Drum/Y, M, C is stopped.
Page 698 Transfer Corona Section cm3520 Service Manual - Theory of Operation C. Retraction mechanism • At the same time that the pressure position is changed, the Retraction Roller moves up and down to change the position of the image transfer on the surface of the Transfer Belt to suit the specific mode, either monochrome or color.
Page 699: 2Nd Image Transfer Roller Pressure Mechanism
Service Manual - Theory of Operation Transfer Corona Section 9.3.3 2nd Image Transfer Roller pressure mechanism • The machine is provided with a mechanism that presses the 2nd Image Transfer Roller up against, and retracts it from, the Transfer Belt to prevent the 2nd Image Transfer...
Page 700: Aidc Sensor Shutter Mechanism
Transfer Corona Section cm3520 Service Manual - Theory of Operation • Operation Timing Start Key ON Paper moves past 2nd Image Transfer Roller Main Motor (M1) 2nd Image Transfer Pressure/ Retraction Motor (M13) 2nd Image Transfer Pressure/ Retraction Sensor (PC29) 4036ma2170c0 9.3.4...
Page 701: Atvc (Auto Transfer Voltage Control)
Service Manual - Theory of Operation Transfer Corona Section 9.3.5 ATVC (Auto Transfer Voltage Control) • To optimize image transfer output, the machine is provided with ATVC control, or Auto Transfer Voltage Control. The control lets a constant current flow through each of the Image Transfer Rollers.
Page 702: Transfer Belt Cleaning
Transfer Corona Section cm3520 Service Manual - Theory of Operation 9.3.6 Transfer Belt cleaning • To scrape residual toner off the surface of the Transfer Belt, the Transfer Belt is provided with a Cleaning Brush and a Charging Brush. • The Cleaning Brush is a rotary brush. To enhance its ability to scrape residual toner off the surface of the Transfer Belt, the brush is turned in a direction opposite to that of the Transfer Belt.
Page 703: 2Nd Image Transfer Roller Cleaning
Service Manual - Theory of Operation Transfer Corona Section 9.3.7 2nd Image Transfer Roller cleaning • To remove residual toner off the surface of the 2nd Image Transfer Roller, a +/- DC bias is applied alternately to the roller, thereby moving the residual toner to the surface of the Transfer Belt.
Page 704: Charge Neutralization And Separation Of Paper
Transfer Corona Section cm3520 Service Manual - Theory of Operation 9.3.8 Charge neutralization and separation of paper • To neutralize any charge potential left in the paper which has undergone the 2nd image transfer stage, a Charge Neutralizing Cloth is installed to the guide plate after the 2nd Image Transfer Roller.
Page 705: Detection Of New Transfer Belt Unit
Service Manual - Theory of Operation Transfer Corona Section 9.3.9 Detection of New Transfer Belt Unit • When a new Transfer Belt Unit is installed in the machine, the life counter is automati- cally cleared through new unit detection.
Page 706: Acs Control
Transfer Corona Section cm3520 Service Manual - Theory of Operation 9.3.10 ACS control • This machine adopts ACS (Auto Color Selection) control, which controls switching of the print mode according to the number of the continuous monochrome originals to achieve both a higher copying productivity and longer service life of the consumables.
Page 707: 10. Toner Collecting Section
Service Manual - Theory of Operation Toner Collecting Section 10. Toner Collecting Section 10.1 Composition 4036ma2180c0 4036ma2026c1 Name Function/System • Conveys waste toner from the IU to the Toner IU Toner Collecting Screw Collecting Section. • Screw type • Conveys waste toner from the Transfer Belt Transfer Belt Toner Collecting Cleaning Section to the Toner Collecting Section.
Page 708: 10.2 Drive
Toner Collecting Section cm3520 Service Manual - Theory of Operation 10.2 Drive 4036ma2027c1 Bk PC Motor (M7) Transfer Belt Toner Collecting Screw IU Toner Collecting Screw Toner Collecting Roller Cleaning Brush Cleaning Brush Motor (M22) 2-48...
Page 709: 10.3 Operation
Service Manual - Theory of Operation Toner Collecting Section 10.3 Operation 10.3.1 Toner collecting mechanism • Toner collected by the Cleaning Brush of the Transfer Belt and waste toner in each of the Imaging Units are conveyed by the corresponding Toner Collecting Screws to the Waste Toner Bottle.
Page 710: Waste Toner Near-Full/Full Detection Control
Toner Collecting Section cm3520 Service Manual - Theory of Operation 10.3.3 Waste Toner Near-Full/Full detection control A. Waste toner near-full detection control • An optical sensor is used to detect waste toner. When the sensor is blocked for a given period of time, the machine determines that the Waste Toner Bottle is nearly full of waste toner.
Page 711: 11. Paper Feed Section
Service Manual - Theory of Operation Paper Feed Section 11. Paper Feed Section 11.1 Composition 11.1.1 Tray1 4036ma2033c1 4036ma2111c0 [13] [12] [11] [10] 4036ma2034c1 Name Function/System Tray1 Separator Roller • Prevents double feed of paper from Tray1 Tray1 Paper Take-up Roller •...
Page 712: Tray2
Paper Feed Section cm3520 Service Manual - Theory of Operation Name Function/System [11] Tray1 Paper Size Board (PWB-I1) • Detects the paper size in the length direction in Tray1 Tray1 Paper Near-Empty Sensor [12] • Detects the paper level in Tray1...
Page 713 Service Manual - Theory of Operation Paper Feed Section Name Function/System Tray2 Pick-up Roller • Takes up a sheet of paper from Tray2 Tray2 Lift-up Sensor (PC105) • Detects the upper limit of paper stack in Tray2 Polyethylene Sheet •...
Page 714 Paper Feed Section cm3520 Service Manual - Theory of Operation 11.2 Drive 11.2.1 Tray1 4036ma2036c1 Tray1 Paper Take-up Roller Main Motor (M1) Tray1 Paper Feed Clutch (CL1) 11.2.2 Tray2 4036ma2037c1 Vertical Transport Roller/2 Tray2 Vertical Transport Motor (M103) Tray2 Paper Take-up Roller...
Page 715: 11.3 Operation
Service Manual - Theory of Operation Paper Feed Section 11.3 Operation 11.3.1 Paper Take-up control (Tray1) Start Key ON Synchronizing Roller ON Synchronizing Roller ON Main Motor (M1) Tray1 Paper Feed Clutch (CL1) Intermediate Transport Motor (M14) Synchronizing Roller Clutch (CL3)
Page 716: Paper Supply Level Detection Control
Paper Feed Section cm3520 Service Manual - Theory of Operation 11.3.4 Paper supply level detection control • There is a window in the front cover of the cassette for indicating the paper supply level. • When the Paper Lifting Plate goes up, a red lever appears in the window. The lower the level of the paper stack, the more the red portion is visible.
Page 717: Tray1 Paper Type Setting
Service Manual - Theory of Operation Paper Feed Section 11.3.6 Tray1 paper type setting • Tray1 is an MPC that requires that the type of paper be set. • Changing the position of the Paper Type Setting Dial selects different controls on the machine side as detailed below.
Page 718: Paper Size Detection Control
Paper Feed Section cm3520 Service Manual - Theory of Operation 11.3.7 Paper size detection control • The width size (CD) and length size (FD) of the paper are detected. The paper size is determined based on the combination of these two sizes detected.
Page 719 Service Manual - Theory of Operation Paper Feed Section Inch Area Tray1 Paper Size Board (PWB-I1) Tray1 CD Paper Size Paper Size Sensor (PC3) 5.5 × 8.5R 8.5 × 11 8.5 × 11R Executive Executive R 5.5 × 8.5 8.5×...
Page 720 Paper Feed Section cm3520 Service Manual - Theory of Operation B. Tray2 Tray2 Paper Size Board (PWB-I2) Tray2 CD Paper Tray2 CD Paper Size Sensor/S Size Sensor/L Paper Size (PC101) (PC102) ON/OFF A5R *1 ON/OFF ON/OFF ON/OFF 5.5 × 8.5 *2...
Page 721: Tray2 Paper Lifting Motion Control
Service Manual - Theory of Operation Paper Feed Section 11.3.8 Tray2 paper lifting motion control A. When Tray2 is slid in • The paper lifting motion is started if the Tray2 Lift-up Sensor is unblocked with Tray2 slid in the machine.
Page 722: 12. Bypass Section
Bypass Section cm3520 Service Manual - Theory of Operation 12. Bypass Section 12.1 Composition 4036ma2528c0 4036ma2122c0 4036ma2125c0 4036ma2124c0 Name Function/System Bypass FD Paper Size Sensor/4 • Detects the Bypass paper size in the length direction (PC114) Bypass FD Paper Size Sensor/3 •...
Page 723: 12.2 Drive
Service Manual - Theory of Operation Bypass Section 12.2 Drive 4036ma2529c0 4036ma2047c1 Bypass Lift-up Sensor (PC115) Bypass Paper Take-up Roller Bypass Paper Feed Clutch (CL101) Tray2 Vertical Transport Motor (M103) Bypass Paper Pick-up Solenoid (SL101) 2-63...
Page 724: 12.3 Operation
Bypass Section cm3520 Service Manual - Theory of Operation 12.3 Operation 12.3.1 Bypass Paper Take-up control Start Key ON Move to Standby Position Tray2 Vertical Transport Motor (M103) Bypass Paper Pick-up Solenoid (SL101) Bypass Lift-up Sensor (PC115) Bypass Paper Feed Clutch (CL101)
Page 725 Service Manual - Theory of Operation Bypass Section Bypass Lift-up Bypass Paper Sensor (PC115) Take-up Roller Bypass Paper Pick-up Solenoid (SL101) 4036ma2126c0 4036ma2531c0 Bypass Lift-up Sensor (PC115) 4036ma2236c0 Paper Lifting Plate Paper Fed out Start Key ON Tray2 Vertical Transport Motor (M103)
Page 726 Bypass Section cm3520 Service Manual - Theory of Operation 12.3.4 Paper size detection • The size of the paper loaded in the Bypass Section is detected by the combination of ON or OFF positions of the four Bypass FD Paper Size Sensors and the Bypass Paper Size Unit.
Page 727 Service Manual - Theory of Operation Bypass Section Inch Area Bypass FD Bypass FD Bypass FD Bypass FD Bypass Paper Size Paper Size Paper Size Paper Size Paper Size Unit (VR1) Paper Size Sensor/1 Sensor/2 Sensor/3 Sensor/4 Detected Width (mm)
Page 728: Conveyance Section
Conveyance Section cm3520 Service Manual - Theory of Operation 13. Conveyance Section 13.1 Composition 4036ma2127c0 4036ma2534c0 4036ma2535c0 Name Function/System • Transports paper taken up from Tray1 or Tray2 to the Transport Roller Synchronizing Roller. • Drives the Transport Roller Intermediate Transport Motor (M14) •...
Page 729: Synchronizing Roller Section
Service Manual - Theory of Operation Synchronizing Roller Section 14. Synchronizing Roller Section 14.1 Composition 4036ma2128c0 4036ma2536c0 Name Function/System • Removes paper dust off the surface of the Synchro- nizing Roller Paper Dust Remover • Paper dust is attracted onto the surface of the roller through static attraction and the Paper Dust Remover removes the paper dust from the roller.
Page 730 Synchronizing Roller Section cm3520 Service Manual - Theory of Operation 14.3 Operation 14.3.1 Synchronizing Roller control • A loop is formed in the paper between the Transport Roller and Synchronizing Roller during the paper transportation to correct skewed paper feeding. The amount of the paper loop can be adjusted using "Loop Adjust"...
Page 731 Service Manual - Theory of Operation Synchronizing Roller Section 14.3.2 OHP detection • To prevent failed copies of OHP transparencies, whether or not the paper type fed through is a piece of OHP transparency, is detected using the OHP Sensor.
Page 732: Fusing Section
Fusing Section cm3520 Service Manual - Theory of Operation 15. Fusing Section 15.1 Composition 4036ma2102c0 4036ma2537c0 [13] [12] [11] [10] 4036ma2029c1 Name Function/System • Separates paper properly to prevent it from winding around the Upper Paper Separator Claw Fusing Roller.
Page 733 Service Manual - Theory of Operation Fusing Section Name Function/System • Controls the temperature of the Heating Roller Heating Roller Thermistor/2 • Positioned in a contact fashion (at the front of the Heating (TH2) Roller inside the Fusing Belt) •...
Page 734 Fusing Section cm3520 Service Manual - Theory of Operation 15.3 Operation 15.3.1 Fusing Roller drive control A. Speed change control • Drive for the Fusing Unit is provided by the Fusing Drive Motor. • To prevent poor fusing performance, the speed of the Fusing Drive Motor is changed in three steps according to the type of paper used and the copy mode.
Page 735 Service Manual - Theory of Operation Fusing Section 1. The fusing speed in the beginning is set to the higher speed, thereby forming a loop in the paper between the 2nd Image Transfer Roller and the Fusing Roller. 2. When the length of the loop becomes small to deactivate the Fusing Paper Loop Sen- sor, the fusing speed is switched to the lower level.
Page 736 Fusing Section cm3520 Service Manual - Theory of Operation 15.3.2 Fusing Roller pressure/retraction mechanism • To ensure prolonged durability of the Fusing Belt, the Pressure Roller is retracted from the Fusing Belt during any time other than a print cycle. (The roller is, however, retracted during a print cycle using envelopes.)
Page 737 Service Manual - Theory of Operation Fusing Section 15.3.3 Fusing temperature control • The surface temperature of the Heating Roller and Pressure Roller are detected using thermistors, and the corresponding Heater Lamps are turned ON or OFF as necessary to maintain the set fusing temperature.
Page 738 Fusing Section cm3520 Service Manual - Theory of Operation Heating Roller Pressure Roller Warm-up completed state Remarks Temperature (°C) Temperature (°C) If a multi-print cycle is run immediately after the warm- up cycle has been com- First-in-the-morning warm-up pleted, the machine pro-...
Page 739 Service Manual - Theory of Operation Fusing Section D. Power Save • Temperature control is provided with a decreased fusing temperature so that power con- sumption in the standby state can be minimized. Mode Heating Roller Set Temperature (°C) Pressure Roller Set Temperature (°C)
Page 740 Fusing Section cm3520 Service Manual - Theory of Operation HETER2 HETER1 HETER3 Hard Protection 4036ma2109c0 2-80...
Page 741 Service Manual - Theory of Operation Fusing Section 15.3.5 Detection of a New Fusing Unit • When a new Fusing Unit is installed in the machine, the life counter is automatically cleared through the machine’s capability of detecting a new Fusing Unit.
Page 742: Paper Exit Section
Paper Exit Section cm3520 Service Manual - Theory of Operation 16. Paper Exit Section 16.1 Composition 4036ma2550c0 4036ma2246c0 4036ma2245c0 Name Function/System Paper Exit Roller/1 • Feeds paper out of the machine onto the Paper Exit Tray. Exit Sensor (PC30) • Detects a sheet of paper fed out of the machine.
Page 743 Service Manual - Theory of Operation Paper Exit Section 16.2 Drive 4036ma2016c1 Main Motor (M1) Paper Exit Roller/2 Paper Exit Roller/1 2-83...
Page 744: Image Stabilization Control
Image Stabilization Control cm3520 Service Manual - Theory of Operation 17. Image Stabilization Control 17.1 Overview • The machine provides the following image stabilization control to ensure stabilized copy image. Purpose Control Control Means • AIDC intensity control • Max. density control...
Page 745: Operation Timing
Service Manual - Theory of Operation Image Stabilization Control 17.2 Operation 17.2.1 Background margin control • The PC Drum Charge Corona grid voltage (Vg) is set for the pattern based on the infor- mation provided by the temperature sensor, the PC Drum rotation time, the system speed, and the target surface potential.
Page 746: Operation Flow
Image Stabilization Control cm3520 Service Manual - Theory of Operation 17.4 Operation flow Mode 1 Mode 2 Mode 3 Mode 4 Mode 5 Background Background Background Background margin control margin control margin control margin control AIDC intensity AIDC intensity AIDC intensity...
Page 747: Image Processing
Service Manual - Theory of Operation Image Processing 18. Image Processing 18.1 Scanner section image processing block diagram 1. Photoelectric conversion CCD Sensor Board 2. Analog-to-digital conversion 3. Shading correction Image Processing Board 4. Line-to-line variation correction 5. Zoom/movement processing 6.
Page 748 Image Processing cm3520 Service Manual - Theory of Operation 6. The scanning is divided into multiple blocks. The ratio of color or monochrome is calcu- lated for each of these blocks. The machine then determines whether the entire original is colored or monochrome. A histogram of lightness is also created for later AE pro- cessing.
Page 749: Write Section Image Processing Block Diagram
Service Manual - Theory of Operation Image Processing 18.2 Write section image processing block diagram From Scanner Section MFP Control Board 2. Color correction processing (reflection/density conversion, 1. Image area discrimination masking, UCR/BP) 3. Miscellaneous processing (improved reproduction of black text, edge emphasis, edge expansion, smoothing, color balance, and γ...
Page 750 Image Processing cm3520 Service Manual - Theory of Operation • The following detail the image processing operations performed by MFP Control Board on the Write Section. 1. Each image area, whether it is a color edge area, black edge area, dot area, or a con- tinuous gradation area, is discriminated to optimize edge emphasis and smoothing just right for the image.
Page 751: Other Control
Service Manual - Theory of Operation Other Control 19. Other Control 19.1 Fan control 19.1.1 Construction Draws outside air in Exhausts heat 4036ma2049c1 Name Function/System Fusing Cooling Fan Motor/2 (M15) • Cools the Exit Sections Fusing Cooling Fan Motor/3 (M16) • Cools the Exit Sections Suction Fan Motor (M12) •...
Page 752 Other Control cm3520 Service Manual - Theory of Operation 19.1.2 Operation A. Fan control Motor Name Paper Passage Mode Control Conditions • Turns at full speed when the Color PC Drum Motor (M5) or Bk PC Motor (M7) is energized.
Page 753: Power Distribution Control At Machine Power Up
Service Manual - Theory of Operation Other Control 19.2 Power distribution control at machine power up 19.2.1 Parts operated when the Power Switch is turned ON • When the Power Switch is turned ON, the Control Board detects it and sends a control signal to the DC Power Supply.
Page 754: Counter Control
Other Control cm3520 Service Manual - Theory of Operation 19.3 Counter control 19.3.1 Construction Mechanical Counter Total Counter (option) PWB-MFP Key Counter (option) Electronic Counter Vendor (option) PWB-MC 4036ma2195c0 Name Function/System • Shows the cumulative number of copies made in all copy modes Total Counter •...
Page 755 9990 Theory of Operation Service Manual...
Page 756 Blank page...
Page 757 Service Manual - Theory of Operation - 9990 RADF CONTENTS Outline Product specification .................... 1-1 Type ........................1-1 Functions ......................1-1 Paper type ......................1-1 Machine specifications..................1-2 Operating environment ..................1-2 Mixed original feed ....................1-2 Mixed original feed chart..................1-2 Paper feed prohibited originals ................
Page 758 Service Manual - Theory of Operation - 9990 RADF...
Page 759 Service Manual - Theory of Operation - 9990 RADF Product specification I Outline Product specification Type Name Duplexing Document Feeder Paper Take-Up Paper Take-Up from top of stack Transport Endless Belt Transport Mode Type Turnover Loop Turnover Mode U-turn Turnover + Switchback U-Turn Turnover...
Page 760 Mixed original feed cm3520 Service Manual - Theory of Operation - 9990 RADF Machine specifications Power Requirements DC24V (supplied from the main unit) DC5V (generated within the 9990) Max. Power 60 W or less Consumption 586 mm (W) × 519 mm (D) × 135 mm (H) Dimensions 23 inch (W) ×...
Page 761 Service Manual - Theory of Operation - 9990 RADF Mixed original feed Paper feed prohibited originals • If fed, trouble occurrence will be highly possible. Type of Original Possible Trouble Take-up failure, damaged sheet, defective drive Sheets stapled or clipped together...
Page 762 Mixed original feed cm3520 Service Manual - Theory of Operation - 9990 RADF Blank page...
Page 763: Composition
Service Manual - Theory of Operation - 9990 RADF Overall composition II Composition/Operation Overall composition Hookup Cord Turnover Cover Take-Up Cover Document Guide Document Feed Tray Transport Belt Exit Cover Magnet...
Page 764 Drive system cm3520 Service Manual - Theory of Operation - 9990 RADF Drive system Turnover/Exit Drive Mechanism Document Transport Drive Mechanism Document Take-Up/Feeding Drive Mechanism...
Page 765 Service Manual - Theory of Operation - 9990 RADF Paper path Paper path Single-sided Document Mode Double-sided Document Mode...
Page 766 Mechanical operations cm3520 Service Manual - Theory of Operation - 9990 RADF Mechanical operations Document pick-up mechanism • The Document Pick-Up Section consists of the Document Stoppers, Pick-Up Rollers, Take-Up Roller and Separation Roller, and this section is driven by the Take-Up Motor.
Page 767 Service Manual - Theory of Operation - 9990 RADF Mechanical operations Document take-up/transport mechanism • The Pick-Up and Take-Up Rollers are rotated by the Take-Up Motor and an original is taken-up and transported to the Registration Roller. • Then, the original is transported onto the Original Glass by the Registration Roller driven by the Take-Up Motor, and the Transport Belt driven by the Transport Motor.
Page 768 Mechanical operations cm3520 Service Manual - Theory of Operation - 9990 RADF A. Document take-up operation flow Registration Clutch: ON ↓ Take-Up Motor: Forward Rotation ↓ Pick-Up Rollers go down and rotated via timing belt & gears ↓ At the same time, Document Stoppers go up ↓...
Page 769: Document Exit Mechanism
Service Manual - Theory of Operation - 9990 RADF Mechanical operations Document exit mechanism 4.3.1 Single-sided document mode • The original transported by the Transport Belt is sent to the switchback section and then ejected onto the Exit Tray with its face-down in order to keep the original pages in proper order.
Page 770 Mechanical operations cm3520 Service Manual - Theory of Operation - 9990 RADF 4.3.3 Exit operation flow A. Document exit motion in single-sided mode Exit Motor: Forward Rotation ↓ Transport Motor: Forward Rotation ↓ The original is transported to the switchback section.
Page 771 Service Manual - Theory of Operation - 9990 RADF Mechanical operations Turnover mechanism (two-sided mode) • In the Double-Sided Mode, an original which has its 1st side scanned is turned-over and then transported to the scan position again for the 2nd side scanning.
Page 772 Mechanical operations cm3520 Service Manual - Theory of Operation - 9990 RADF Raised/lowered position detecting mechanism 4.5.1 Document size detection • The 15 degree Open Detection Mechanism enables the main unit to detect the document size when the RADF is used as the Original Cover of the main unit, there is the Lever Actuator provided in the RADF body that blocks or unblocks a sensor to initiate a recon- firmation of the original size as read by the original size detection sensors.
Page 773 9991 Theory of Operation Service Manual...
Page 774 Blank page...
Page 775 Service Manual - Theory of Operation - 9991 Duplex CONTENTS Outline Product specifications ..................1-1 Type ........................1-1 Paper type ......................1-1 Machine specifications..................1-1 Operating environment ..................1-1 Composition/Operation Overall composition....................2-1 Center cross section .................... 2-2 Drive system ......................2-3 Mechanical operations ..................
Page 776 Service Manual - Theory of Operation - 9991 Duplex...
Page 777 Service Manual - Theory of Operation - 9991 Duplex Product specifications I Outline Product specifications Type Name Duplex Unit Type Switchback and Circulating Duplex Unit Installation Mounted on the right side door of main unit Document Alignment Center Paper type...
Page 778 Product specifications cm3520 Service Manual - Theory of Operation - 9991 Duplex Blank page...
Page 779 Service Manual - Theory of Operation - 9991 Duplex Overall composition II Composition/Operation Overall composition Duplex Unit Door...
Page 780 Center cross section cm3520 Service Manual - Theory of Operation - 9991 Duplex Center cross section Duplex Unit Transport Roll 2 Duplex Unit Transport Roller 3 Duplex Unit Transport Roller 2 Duplex Unit Transport Roll 1 Duplex Unit Transport Roll 3...
Page 781 Service Manual - Theory of Operation - 9991 Duplex Drive system Drive system Switchback Drive Mechanism Duplex Unit Transport Drive Mechanism...
Page 782: Switchback Mechanism
Mechanical operations cm3520 Service Manual - Theory of Operation - 9991 Duplex Mechanical operations Switchback mechanism 4.1.1 Switchback operation • The Paper Exit Roller of the main unit is used to subject the 1-sided print to a switchback sequence so that the 1-sided print is to be transported through the Duplex Unit.
Page 783 Service Manual - Theory of Operation - 9991 Duplex Mechanical operations Transport and duplex paper take-up mechanism 4.2.1 Transport and duplex paper take-up operation • Drive for the Duplex Unit is provided by the Duplex Unit Transport Motor. Duplex Unit Transport Roller 1...
Page 784 Mechanical operations cm3520 Service Manual - Theory of Operation - 9991 Duplex 2-sided printing method • The following two types of 2-sided printing methods are available. 2-sided printing with a single sheet of paper resident in the system 2-Sided Printing Methods 2-sided printing with two sheets of paper resident in the system (FD length 215.9 mm or less)
Page 785 Service Manual - Theory of Operation - 9991 Duplex Mechanical operations Operation 5 • While feeding the first 2-sided print out of itself, the main unit carries out the first print cycle for the second sheet of paper to produce the print image of the fourth page of the original.
Page 786 Mechanical operations cm3520 Service Manual - Theory of Operation - 9991 Duplex 4.3.2 Operations in 2-sided printing with two sheets of paper resident in the sys- Operation 1 Paper Exit • The first sheet of paper is taken up and fed in from the...
Page 787 Service Manual - Theory of Operation - 9991 Duplex Mechanical operations Operation 5 • While feeding the first 2-sided print out, main unit produces the print image of the 6th page of the original on the third sheet of paper.
Page 788 Mechanical operations cm3520 Service Manual - Theory of Operation - 9991 Duplex • A4, 2 originals, 2 to 2 print mode Synchronizing Roller Sensor (PC28) Exit Sensor (PC30) Forward Forward Backward Forward Backward Rotation Rotation Rotation Rotation Rotation Switchback Motor...
Page 789 9992 Theory of Operation Service Manual...
Page 790 Blank page...
Page 791 Service Manual - Theory of Operation - 9992 Paper Feed CONTENTS Outline Product specification .................... 1-1 Type ........................1-1 Paper type ......................1-1 Machine specifications..................1-1 Operating environment ..................1-1 Composition/Operation Overall composition....................2-1 Drive system ......................2-2 Mechanical operations ..................2-3 Vertical transport drive mechanism ..............
Page 792 Service Manual - Theory of Operation - 9992 Paper Feed...
Page 793 Service Manual - Theory of Operation - 9992 LCC Product specification I Outline Product specification Type Name Large Capacity (Cassette) Tray Type Front loading type LCT Installation Desk type Document Alignment Center Paper type Plain paper 56 to 110 g/m...
Page 794 Product specification cm3520 Service Manual - Theory of Operation - 9992 LCC Blank page...
Page 795 Service Manual - Theory of Operation - 9992 LCC Overall composition II Composition/Operation Overall composition Sub Tray Right Door Main Tray Vertical Transport Rolls Vertical Transport Rollers Front Cover...
Page 796 Drive system cm3520 Service Manual - Theory of Operation - 9992 LCC Drive system Vertical Transport Drive Mechanism Main Tray Lift-Up Drive Mechanism Shifter Gate Drive Mechanism Shifter Drive Mechanism...
Page 797: Vertical Transport Drive Mechanism
Service Manual - Theory of Operation - 9992 LCC Mechanical operations Mechanical operations Vertical transport drive mechanism • The Paper Feed Motor drives the Pick-up Roller and Paper Take-up Roller to take up and feed a sheet of paper into the main unit.
Page 798 Mechanical operations cm3520 Service Manual - Theory of Operation - 9992 LCC Elevator tray mechanism • The Main Tray is suspended by the cables at the front and rear. As the Elevator Motor turns forward or backward, the cables are wound to raise or lower the tray.
Page 799 Service Manual - Theory of Operation - 9992 LCC Mechanical operations Shift gate/shifter drive mechanism • If the Main Tray runs out of paper, while the Sub Tray is loaded with paper, the paper stack on the Sub Tray is moved to the Main Tray.
Page 800: Paper Empty Detection
Mechanical operations cm3520 Service Manual - Theory of Operation - 9992 LCC Paper empty detection • Paper empty detection of Main Tray is performed by Paper Empty Board. • Paper empty detection of Sub Tray is performed by Shift Tray Paper Empty Sensor.
Page 801 9993/9994 Theory of Operation Service Manual...
Page 802 Blank page...
Page 803 Service Manual - Theory of Operation - 9993/9994 Paper Feed CONTENTS Outline Product specifications ..................1-1 Type ........................1-1 Paper type ......................1-1 Machine specifications..................1-1 Operating environment ..................1-1 Composition/Operation Overall composition....................2-1 Drive system ......................2-2 Mechanical operations ..................2-3 Vertical transport drive mechanism ..............
Page 804 Service Manual - Theory of Operation - 9993/9994 Paper Feed...
Page 805 Service Manual - Theory of Operation - 9993/9994 Paper Feed Product specifications I Outline Product specifications Type Name 2 way Paper Take-Up Cabinet Type Front loading type 2 way paper take-up device Installation Desk type Document Alignment Center Paper type...
Page 806 Product specifications cm3520 Service Manual - Theory of Operation - 9993/9994 Paper Feed Blank page...
Page 807 Service Manual - Theory of Operation - 9993/9994 Paper Feed Overall composition II Composition/Operation Overall composition <9993> <9994> Lifting Plate Right Door Trailing Edge Stop Edge Guides...
Page 808 Drive system cm3520 Service Manual - Theory of Operation - 9993/9994 Paper Feed Drive system Vertical Transport <9993> Drive Mechanism Vertical Transport <9994> Drive Mechanism...
Page 809 Service Manual - Theory of Operation - 9993/9994 Paper Feed Mechanical operations Mechanical operations Vertical transport drive mechanism • The Paper Feed Motor drives the Pick-up Roller and Paper Take-up Roller to take up and feed a sheet of paper into the main unit.
Page 810 Mechanical operations cm3520 Service Manual - Theory of Operation - 9993/9994 Paper Feed Paper lifting motion • When the drawer is slid into the main unit and the Set Sensor is activated, the Lift-up Motor starts rotating to raise the Paper Lifting Plate.
Page 811: Paper Size Detection
Service Manual - Theory of Operation - 9993/9994 Paper Feed Mechanical operations Paper size detection • When the Trailing Edge Stop of the drawer is moved, the circular plate located on the bot- tom of the drawer turns, allowing the four FD Paper Size Sensors on the FD Paper Size Detection Board.
Page 812 Mechanical operations cm3520 Service Manual - Theory of Operation - 9993/9994 Paper Feed Paper level indicator mechanism • All drawers now use the universal paper size tray for greater functionality. • There is a window in the front cover of the drawer that serves as the Paper Level Indica- tor showing the amount of paper that is still available for use.
Page 813 9996 Theory of Operation Service Manual...
Page 814 Blank page...
Page 815 Service Manual - Theory of Operation - 9996 Finisher CONTENTS Outline Product specification .................... 1-1 Type ........................1-1 Functions ......................1-1 Paper type ......................1-1 1.3.1 Non-Sort ....................... 1-1 1.3.2 Sort ....................... 1-1 1.3.3 Sort staple ....................1-2 1.3.4 Saddle staple....................
Page 816 Service Manual - Theory of Operation - 9996 Finisher 4.3.5 Stapling unit moving control ............... 2-17 4.3.6 Elevator tray mechanism ................2-18 Booklet tray...................... 2-19 4.4.1 Overall composition ..................2-19 4.4.2 Transport operation in saddle section............2-20 4.4.3 Folding mechanism ..................2-24 4.4.4...
Page 817 Service Manual - Theory of Operation - 9996 Finisher Product specification I Outline Product specification Type Type Multi Staple Finisher with Saddle (Booklet) Installation Freestanding Document Alignment Center Supplies Staple Cartridge Functions No. of Holes (optional) Metric: 4holes, Inch: 2holes / 3holes...
Page 818 Product specification cm3520 Service Manual - Theory of Operation - 9996 Finisher 1.3.3 Sort staple No. of Sheets Paper Type Paper Size Weight Tray Capacity Exit Tray to be Stapled Normal A4R / 8- Normal Mode *1 1/2×11R 8-1/2×14 Mode...
Page 819 Service Manual - Theory of Operation - 9996 Finisher Product specification No. of sheets to be stapled (sort staple) A. A4R, 8-1/2 × 11R or smaller No. of Sets No. of Sheets to be Stapled Rear: Parallel Center: Parallel...
Page 820 Product specification cm3520 Service Manual - Theory of Operation - 9996 Finisher Blank page...
Page 821 Service Manual - Theory of Operation - 9996 Finisher Overall composition II Composition/Operation Overall composition Elevator Tray Paper Guide Upper Door Rear Door Front Door Hookup Cord Booklet Tray...
Page 822 Drive system cm3520 Service Manual - Theory of Operation - 9996 Finisher Drive system Stapling Drive Entrance Drive Mechanism Mechanism Tray Drive Mechanism Saddle Drive Mechanism Aligning Drive Mechanism...
Page 823 Service Manual - Theory of Operation - 9996 Finisher Paper path Paper path...
Page 824 Mechanical operations cm3520 Service Manual - Theory of Operation - 9996 Finisher Mechanical operations Horizontal transport mechanism 4.1.1 Paper path switching mechanism • The path along which the paper is transported is selected with the Entrance Switching Solenoid. • During a 2-sided print mode, the solenoid is energized to feed the paper into the lower path and then feed it back to the main unit.
Page 825 Service Manual - Theory of Operation - 9996 Finisher Mechanical operations 4.1.2 Finisher paper transport mechanism • Drive from the Transport Motor turns the Transport Roller to transport paper fed from the main unit onto the Finisher. • The Transport Roller on the Finisher side is driven by the Transport Motor to feed the paper through the Finisher.
Page 826 Mechanical operations cm3520 Service Manual - Theory of Operation - 9996 Finisher Finishing tray mechanism 4.2.1 Non-sort mode • In the Non Sort Mode, Paper is taken back onto the Finishing Tray and then fed out onto the Elevator Tray.
Page 827 Service Manual - Theory of Operation - 9996 Finisher Mechanical operations 4.2.2 Sort mode • In the Sort Mode, Paper is taken back onto the Finishing Tray and shifted to the front or rear side with the Aligning Plate. Then, a stack of paper per set is fed out onto the Elevator Tray.
Page 828 Mechanical operations cm3520 Service Manual - Theory of Operation - 9996 Finisher 4.2.4 Center staple booklet mode • In Center Staple Booklet Mode, A stack of paper fed onto the Finishing Tray is stapled (at two places) and then transported to the Saddle Section.
Page 829 Service Manual - Theory of Operation - 9996 Finisher Mechanical operations 4.2.5 Paper stacking with finishing tray • After the paper has been fed through the Exit Roller, the paper drops onto the Finishing Tray. Then, the Paddle taps the top of the paper twice (once for the additional sheets) so that the trailing edge of the paper reaches the Finishing Tray Stopper.
Page 830 Mechanical operations cm3520 Service Manual - Theory of Operation - 9996 Finisher 4.2.6 Aligning mechanism • Two Aligning Plates are moved by drive of the Front, or Rear Aligning Motor in the for- ward or reverse direction. • The Aligning Plates home position is detected with the Front, or Rear Aligning Plate Home Position Sensor.
Page 831 Service Manual - Theory of Operation - 9996 Finisher Mechanical operations 4.2.7 Offsetting operation • Whenever the paper is stacked, it is moved toward the front or rear side by the Front or Rear Aligning Plate. Accordingly, the offsetting operation is made whenever the paper is fed onto the Finishing Tray.
Page 832 Mechanical operations cm3520 Service Manual - Theory of Operation - 9996 Finisher 4.2.8 Exiting operation • The Paddle, driven by the Paddle Motor, makes the Swing Guide move down and then the paper is taken up with the Upper, and Lower Exit Rollers.
Page 833 Service Manual - Theory of Operation - 9996 Finisher Mechanical operations Stapling unit 4.3.1 Types and positions of staples • Shown here are the different stapling positions used with the 9996 Finisher. Type Paper Size (Inch area) Paper Size (Metric area) Corner stapling (Rear) 8.5×11, 8.5×11R, 8.5×14, 11×17...
Page 834 Mechanical operations cm3520 Service Manual - Theory of Operation - 9996 Finisher 4.3.2 Stapling unit moving mechanism • When the Power Switch is turned ON, or the Front Door is opened and closed, the Sta- pling Unit is moved to the front side with the forward rotation of the Slide Motor and stopped at the position where the Slide Home Position Sensor located at the bottom of the Staple Unit is blocked by the Light Shield Plate.
Page 835 Service Manual - Theory of Operation - 9996 Finisher Mechanical operations 4.3.3 Staple operation • After the paper stacking and alignment operation on the Finishing Tray have been com- pleted, a stack of paper is taken up with the Upper, and Lower Exit Rollers by moving the Swing Guide down with the Paddle Motor rotating in the reverse direction.
Page 836 Mechanical operations cm3520 Service Manual - Theory of Operation - 9996 Finisher 4.3.4 Stapling unit • The Stapling operation is accomplished by a Cam rotated once with the Staple/Folding Motor. • The Home position of this Cam is detected with the Staple Drive Home Position Sensor. If the Staple...
Page 837: Stapling Unit Moving Control
Service Manual - Theory of Operation - 9996 Finisher Mechanical operations 4.3.5 Stapling unit moving control • The Stapling Unit is moved with the Slide Motor and its home position is detected with the Slide Home Position Sensor. • Regardless of the staple mode or paper size, the stapling unit always returns to the stand by position on the rear side.
Page 838: Elevator Tray Mechanism
Mechanical operations cm3520 Service Manual - Theory of Operation - 9996 Finisher 4.3.6 Elevator tray mechanism • The Elevator Tray is moved up or down by drive from the Shift Motor and the Exit Tray Sensor detects if the paper is stacked on the Elevator Tray.
Page 839: Booklet Tray
Service Manual - Theory of Operation - 9996 Finisher Mechanical operations Booklet tray 4.4.1 Overall composition • The Booklet Tray is fixed and all the paper stacked as a booklet is exited onto this Tray. • The Saddle Tray Sensor detects if the paper is stacked on the Booklet Tray, but does not detect a paper jam.
Page 840: Transport Operation In Saddle Section
Mechanical operations cm3520 Service Manual - Theory of Operation - 9996 Finisher 4.4.2 Transport operation in saddle section A. Paper transport • After a stack of paper has been aligned on the Finishing Tray, it is taken up with the Upper and Lower Exit Rollers.
Page 841 Service Manual - Theory of Operation - 9996 Finisher Mechanical operations B. Stapling • The stack of paper is further transported and temporarily stopped when the center area of the paper (the area where stapling will be made) has reached the position of the sta- ples in the Stapling Unit.
Page 842 Mechanical operations cm3520 Service Manual - Theory of Operation - 9996 Finisher C. Booklet Transport • Next, the stack of paper that was stapled is transported to the paper folding / exit position with the Transport Rollers. The Paper folding /exit position is the position where the cen- ter of the paper (where stapled) is of the same height as that of the Paper Pressure Plate and nip area of the Folding Rollers.
Page 843 Service Manual - Theory of Operation - 9996 Finisher Mechanical operations D. Folding/exit • The Paper Pressure Plate presses the center of the paper to transport the paper toward the Paper Folding Rollers. Then the Paper Folding Rollers take up and fold the paper and feed the stack of paper onto the Booklet Tray through the Folding, and the Booklet Exit Rollers.
Page 844: Folding Mechanism
Mechanical operations cm3520 Service Manual - Theory of Operation - 9996 Finisher 4.4.3 Folding mechanism • The Paper Folding Mechanism consists of the Folding Rollers and Paper Pressure Plate. • They are driven by the Staple/ Folding Motor respectively through the combination of the Gears and Cams etc.
Page 845: Paper Folding Start Position
Service Manual - Theory of Operation - 9996 Finisher Mechanical operations 4.4.4 Paper folding start position • Paper folding is created by the Paper Folding Plate and the Paper Pressure Plate. At the same time when the Folding Rollers start to rotate, the Paper Pressure Plate starts pressing the stack of paper to the contact area of the Paper Folding Rollers.
Page 846 Mechanical operations cm3520 Service Manual - Theory of Operation - 9996 Finisher Blank page 2-26...
Page 847 9997 Theory of Operation Service Manual...
Page 848 Blank page...
Page 849 Service Manual - Theory of Operation - 9997 Finisher CONTENTS Outline Product specification .................... 1-1 Type ........................1-1 Functions ......................1-1 Paper type ......................1-1 1.3.1 Non-Sort ....................... 1-1 1.3.2 Sort/Group....................1-1 1.3.3 Sort staple/Group staple................1-2 Stapling......................1-2 Sort and staple capacity ..................
Page 850 Service Manual - Theory of Operation - 9997 Finisher...
Page 851: Product Specification
Service Manual - Theory of Operation - 9997 Finisher Product specification I Outline Product specification Type Type Single Staple Finisher Installation Freestanding Document Alignment Center Supplies Staple Cartridge Option Job separator (CM3500010) Functions Modes Non-Sort/ Sort/ Group/Sort Staple/ Group Staple Paper type 1.3.1...
Page 852: Sort Staple/Group Staple
Product specification cm3520 Service Manual - Theory of Operation - 9997 Finisher 1.3.3 Sort staple/Group staple No. of Sheets to Paper Type Paper Size Weight Tray Capacity Exit Tray be Stapled 60 to 90 g/m 1,000 sheets 16 to 24 lb (A4R, 8-1/2 ×...
Page 853: Stacking With Stapling
Service Manual - Theory of Operation - 9997 Finisher Product specification 1.5.2 Stacking with stapling • (Reference: Actual value) Determined by number of Sets or number of Sheets based on number of bindings. A. Number of stacked paper No. of Sheets to be Stapled No.
Page 854 Product specification cm3520 Service Manual - Theory of Operation - 9997 Finisher Blank page...
Page 855: Ii Composition/Operation
Service Manual - Theory of Operation - 9997 Finisher Overall composition II Composition/Operation Overall composition Lower Front Cover Tray Upper Cover Elevator Tray Upper Front Cover Rear Cover...
Page 856: Center Cross Section
Center cross section cm3520 Service Manual - Theory of Operation - 9997 Finisher Center cross section [13] [14] [11] [10] [12] Entrance Roll Tray Exit Roll Lower Path Transport Roll Tray Exit Roller Upper Path Transport Roller [10] Lower Path Transport Roller...
Page 857: Drive System
Service Manual - Theory of Operation - 9997 Finisher Drive system Drive system Lower Paddle Motor (M9-FN) CD Aligning Motor (M5-FN) Stapling Unit Moving Motor (M6-FN) Shift Motor (M8-FN) Elevator Motor (M7-FN) Upper Entrance Motor (M4-FN) Entrance Motor (M1-FN)
Page 858: Mechanical Operations
Mechanical operations cm3520 Service Manual - Theory of Operation - 9997 Finisher Mechanical operations Paper transport 4.1.1 Paper transport mechanism A. Entrance section paper transport mechanism • The Entrance Roller is turned to transport the paper into the Finisher as the Entrance Motor is energized.
Page 859 Service Manual - Theory of Operation - 9997 Finisher Mechanical operations B. 1 tray paper transport mechanism • Paper transport to the 1 Tray takes place when the Finisher is in the Non-Sort mode. • The Upper Path Transport Roller and 1...
Page 860 Mechanical operations cm3520 Service Manual - Theory of Operation - 9997 Finisher C. Finisher tray paper transport mechanism • Paper transport to the Finisher Tray takes place when the Finisher is in the Staple mode. • As the Lower Entrance Motor is energized, the Storage Roller turns to transport the paper toward the exit direction.
Page 861 Service Manual - Theory of Operation - 9997 Finisher Mechanical operations D. Elevator tray paper transport mechanism • Paper transport to the Elevator Tray takes place when the Finisher is in the Sort or Group mode. • As the motor is energized, the Exit Roller turns to transport the paper into the Elevator Tray.
Page 862: Paper Switchback Mechanism
Mechanical operations cm3520 Service Manual - Theory of Operation - 9997 Finisher 4.1.2 Paper switchback mechanism • When the last paper of the first print set is transported onto the Finisher Tray during a multi-print cycle in the Sort Staple mode, the first paper of the subsequent print set, which is to be next transported, undergoes a switchback sequence.
Page 863: Roller/Rolls Spacing Mechanism
Service Manual - Theory of Operation - 9997 Finisher Mechanical operations 4.1.3 Roller/rolls spacing mechanism A. Storage roller/rolls spacing mechanism • The Storage Roller briefly stops when the first sheet of paper completes a switchback sequence during a multi-print cycle in the Sort Staple mode. If, however, paper measures 217 mm or more in the FD direction, the leading edge of the second sheet of paper reaches the Storage Roller before the roller stops turning.
Page 864: Finisher Tray
Mechanical operations cm3520 Service Manual - Theory of Operation - 9997 Finisher Finisher tray • Sheets of paper are properly aligned and stapled together on the Finisher Tray before being fed out into the Elevator Tray. Finisher Tray Elevator Tray...
Page 865: Paper Aligning Mechanism
Service Manual - Theory of Operation - 9997 Finisher Mechanical operations 4.2.1 Paper aligning mechanism • The Aligning Plate is moved and the Paddles are turned to align paper correctly for sta- pling. A. Aligning plate • The Aligning Plate is moved to align the paper in the crosswise direction with reference to the center position of the Finisher Tray.
Page 866 Mechanical operations cm3520 Service Manual - Theory of Operation - 9997 Finisher B. Paddles • The Upper and Lower Paddles are turned to align the paper in the feeding direction. • The Upper Paddles are turned by the Upper Paddle Motor and Upper Paddle Solenoid.
Page 867: Stapling
Service Manual - Theory of Operation - 9997 Finisher Mechanical operations Stapling 4.3.1 Stapling mechanism • The Stapling Unit performs the stapling action. • When the Stapling Motor turns, the Clinch Arm lowers. Then the Stapler moves up to drive a staple into paper and the staple is formed.
Page 868: Stapling Unit Moving Mechanism
Mechanical operations cm3520 Service Manual - Theory of Operation - 9997 Finisher 4.3.2 Stapling unit moving mechanism • Stapling Unit is moved by the Stapling Unit Moving Motor. • The Staple Home Position Sensor detects Stapling Unit at respective home positions.
Page 869: Staple Sheet Empty Detection
Service Manual - Theory of Operation - 9997 Finisher Mechanical operations 4.3.3 Staple sheet empty detection • The Staple Empty Detecting Sensor is used to detect whether there is a staple sheet or not in the Staple Cartridge. • When there are about 20 staples left in the Staple Cartridge, a staple sheet empty condi- tion results and a staple-empty display is given on the control panel of the main unit.
Page 870: Elevator Tray
Mechanical operations cm3520 Service Manual - Theory of Operation - 9997 Finisher Elevator tray • The Elevator Tray moves up or down according to certain conditions. 4.4.1 Elevator tray ascent/descent mechanism • The Elevator Tray is moved up or down by the Elevator Motor that turns forward or back- ward.
Page 871: Elevator Tray Shifting Mechanism
Service Manual - Theory of Operation - 9997 Finisher Mechanical operations 4.4.2 Elevator tray shifting mechanism • When in the Sort mode, the Elevator Tray is moved to the front and rear by a motor to stack print sets in a sawtooth manner so that each print set is offset with respect to the others.
Page 872: Horizontal Transport Unit
Mechanical operations cm3520 Service Manual - Theory of Operation - 9997 Finisher Horizontal transport unit Entrance Switching Turnover Empty Sensor Solenoid (SL1-FN) (PC6-FN) Horizontal Unit Door Sensor (PC4-FN) Paper Sensor (PC1-FN) 2-18...
Page 873: Paper Transport Mechanism
Service Manual - Theory of Operation - 9997 Finisher Mechanical operations 4.5.1 Paper transport mechanism A. Paper path switching mechanism • The paper fed from the main unit moves through either one of the two different paper paths. • A solenoid is used to select the paper path.
Page 874 Mechanical operations cm3520 Service Manual - Theory of Operation - 9997 Finisher Blank page 2-20...
Page 875 CM3100010 Theory of Operation Service Manual...
Page 876 Blank page...
Page 877 Service Manual - Theory of Operation - CM3100010 Punch Unit CONTENTS Outline Product specification .................... 1-1 Functions ......................1-1 Paper type ......................1-1 Machine specifications..................1-1 Operating environment ..................1-1 Composition/Operation Overall composition....................2-1 Mechanical operations ..................2-2 Punching operation.................... 2-2...
Page 878 Service Manual - Theory of Operation - CM3100010 Punch Unit...
Page 879 Service Manual - Theory of Operation - CM3100010 Punch Unit Product specification I Outline Product specification Functions No. of Holes (optional) Metric: 4holes, Inch: 2holes / 3holes Paper type No. of Sheets Paper Type Paper Size Weight Tray Capacity...
Page 880 Product specification cm3520 Service Manual - Theory of Operation - CM3100010 Punch Unit Blank page...
Page 881 Service Manual - Theory of Operation - CM3100010 Punch Unit Overall composition II Composition/Operation Overall composition Punch Axis Punch Motor (M1P-PK) Off-center Cam Hole-Punch Waste Container...
Page 882 Mechanical operations cm3520 Service Manual - Theory of Operation - CM3100010 Punch Unit Mechanical operations Punching operation • The Punch Section consists of the Dyes Section and the Punch Blade Section • The Punch, which is attached to the Off-Center Cam of the Punch Axis, is driven by the Punch Motor and creates the punching operation with a reciprocating movement con- verted from the rotation movement of the Punch Axis.
Page 883 Service Manual - Theory of Operation - CM3100010 Punch Unit Mechanical operations Side registration operation • The Side registration drive for the Punch Slide Unit is made by the Side Registration Motor. • The Home position of the Punch Slide Unit is detected with the Side Registration Home Position Sensor.
Page 884 Mechanical operations cm3520 Service Manual - Theory of Operation - CM3100010 Punch Unit B. Operation 2 1. Side Registration Sensor detects paper edge at rear side. 2. Side Registration Motor moves Punch Slide Unit at the specified position. 3. Punch Slide Unit stops.
Page 885 Service Manual - Theory of Operation - CM3100010 Punch Unit Mechanical operations C. Operation 3 1. Paper Trailing Edge Sensor detects paper trailing edge. 2. Transport Motor is stopped. 3. Paper transport is stopped. 4. Punch Motor is driven to punch holes.
Page 886 Mechanical operations cm3520 Service Manual - Theory of Operation - CM3100010 Punch Unit Blank page...
Page 887 CM3500010 Theory of Operation Service Manual...
Page 888 Blank page...
Page 889 Service Manual - Theory of Operation - CM3500010 Tray CONTENTS Outline Product specification .................... 1-1 Type ........................1-1 Functions ......................1-1 Paper type ......................1-1 Machine specifications..................1-1 Operating environment ..................1-1 Composition/Operation Overall composition....................2-1 Center cross section .................... 2-2 Mechanical operation ...................
Page 890 Service Manual - Theory of Operation - CM3500010 Tray...
Page 891 Service Manual - Theory of Operation - CM3500010 Tray Product specification I Outline Product specification Type Name Job separator tray Installation Fixed to Finisher Document Alignment Center Functions Modes Non-Sort (in the fax or printer output mode) Paper type...
Page 892 Product specification cm3520 Service Manual - Theory of Operation - CM3500010 Tray Blank page...
Page 893 Service Manual - Theory of Operation - CM3500010 Tray Overall composition II Composition/Operation Overall composition Job Tray Job Separator Cover...
Page 894 Center cross section cm3520 Service Manual - Theory of Operation - CM3500010 Tray Center cross section Job Separator Exit Roller Job Separator Transport Roller Job Separator Exit Roll Job Separator Transport Roll...
Page 895: Mechanical Operation
Service Manual - Theory of Operation - CM3500010 Tray Mechanical operation Mechanical operation Job tray paper transport mechanism • The Job Separator Transport Roller and Job Separator Exit Roller turn to transport the paper into the Job Tray as the motor is energized.
Page 896 Imagistics International Inc. 100 Oakview Drive Trumbull, CT 06611 ©Imagistics International Inc. 2004 Printed in USA Part Number: CM3500170 The information contained in this manual is subject to change without notice to incorporate improvements made to the products listed in this...

imagistics cm3520 Service Manual

Table of Contents

IV Troubleshooting

Appendix

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