Page 1 Color Printer d-Copia 600, d-Copia 800 SERVICE MANUAL Code Y104350-7...
Page 3 CAUTION Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer’s instructions. CAUTION Double-pole/neutral fusing. Y104350-7 Sevice Manual...
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Page 5: Safety Precautions
Safety precautions This booklet provides safety warnings and precautions for our service personnel to ensure the safety of their customers, their machines as well as themselves during maintenance activities. Service personnel are advised to read this booklet carefully to familiarize themselves with the warnings and precautions described here before engaging in maintenance activities.
Page 6 Safety warnings and precautions Various symbols are used to protect our service personnel and customers from physical danger and to prevent damage to their property. These symbols are described below: DANGER: High risk of serious bodily injury or death may result from insufficient attention to or incorrect compliance with warning messages using this symbol.
Page 7: Installation Precautions
1.Installation Precautions WARNING • Do not use a power supply with a voltage other than that specified. Avoid multiple connections to one outlet: they may cause fire or electric shock. When using an extension cable, always check that it is adequate for the rated current....................•...
Page 8: Specifications 1
2.Precautions for Maintenance WARNING • Always remove the power plug from the wall outlet before starting machine disassembly....• Always follow the procedures for maintenance described in the service manual and other related brochures............................• Under no circumstances attempt to bypass or disable safety features including safety mechanisms and protective circuits.
Page 9 • Do not remove the ozone filter, if any, from the copier except for routine replacement..... • Do not pull on the AC power cord or connector wires on high-voltage components when removing them; always hold the plug itself...................... •...
Page 11: Table Of Contents
CONTENTS 1-1 Specifications 1-1-1 Specifications............................1-1-1 1-1-2 Parts names............................1-1-3 (1) Copier..............................1-1-3 (2) Operation panel..........................1-1-5 1-1-3 Cross section view ..........................1-1-6 1-1-4 Drive system ............................1-1-7 (1) Drive system 1 (Optical section)......................1-1-7 (2) Drive system 2 (Cassette paper feed)....................1-1-8 (3) Drive system 3 (Deck paper feed).....................1-1-9 (4) Drive system 4 (Deck lift) ........................1-1-9 (5) Drive system 5 (Vertical paper feed) ....................1-1-10 (6) Drive system 6 (MP tray paper feed)....................1-1-11...
Page 12 (2) Paper misfeed detection conditions ....................1-5-2 (3) Paper misfeeds ..........................1-5-10 1-5-2 Self-diagnosis ............................1-5-24 (1) Self-diagnostic function ........................1-5-24 (2) Self diagnostic codes ........................1-5-26 1-5-3 Image formation problems ........................1-5-46 (1) No image appears (entirely white)....................1-5-48 (2) No image appears (entirely black)....................1-5-49 (3) Image is too light..........................1-5-50 (4) Background is visible........................1-5-51 (5) A white line appears longitudinally.
Page 13 (33) The image formation fan motor does not operate................1-5-63 (34) The developing duct fan motor does not operate................1-5-63 (35) PWB fan motor 1 or 2 does not operate..................1-5-63 (36) The power source fan motor does not operate................1-5-63 (37) The feedshift fan motor does not operate..................1-5-64 (38) The duplex fan motor does not operate.
Page 14 1-6 Assembly and Disassembly 1-6-1 Precautions for assembly and disassembly....................1-6-1 (1) Precautions ............................1-6-1 (2) Running a maintenance item......................1-6-2 1-6-2 Paper feed section ..........................1-6-3 (1) Detaching and refitting the paper feed pulley, forwarding pulley and separation pulley of cassette 1 and 2....................1-6-3 (2) Detaching and refitting the paper feed pulley, forwarding pulley and separation pulley of cassette 3 and 4....................1-6-10 (3) Pressure adjustment of separation pulley ..................1-6-14...
Page 15 (3) Detaching and refitting the press roller....................1-6-72 (4) Detaching and refitting the cleaning felt ..................1-6-73 (5) Detaching and refitting the fuser thermostat ...................1-6-75 (6) Detaching and refitting the fuser thermistor ..................1-6-75 (7) Detaching and refitting the fuser heater M, S and L................1-6-76 (8) Detaching and refitting the heat roller .....................1-6-79 (9) Detaching and refitting the heat roller separation claws..............1-6-80 (10) Detaching and refitting the fuser eject upper roller................1-6-81...
Page 16 (6) Switches and sensors (DP) .......................2-2-9 (7) Others (DP) .............................2-2-10 2-3 Operation of the PWBs 2-3-1 AC power source PWB ...........................2-3-1 2-3-2 DC power source PWB ...........................2-3-4 2-3-3 Main PWB ...............................2-3-8 2-3-4 Engine PWB............................2-3-17 2-3-5 Scanner PWB ............................2-3-25 2-3-6 CCD PWB .............................2-3-29 2-3-7 Deck PWB.............................2-3-32 2-3-8 Cassette PWB............................2-3-37 2-3-9 Duplex PWB............................2-3-40...
Page 17: Specifications
1-1 Specifications 1-1-1 Specifications Copier Type ..........Console Copying system ......Indirect electrostatic system Originals.......... Sheets, books and three-dimensional objects Maximum size: A3/11" x 17" Original feed system ....... Fixed Copy paper ........Weight Cassette: 60 - 160 g/m MP tray: 45 - 200 g/m Types Cassette: Plain paper, colored paper MP tray: Plain paper, special paper (colored paper, transparencies, etc.) and enve-...
Page 18 Developing system ......Dry, reverse developing (single component system) Developer: 1-component, magnetism toner Toner replenishing: Automatic from a toner container Transfer system ......Transfer belt, approximately 1.5 kV Separation system ......Transfer belt and separation claws Fusing system......... Heat roller Heat source: Halogen heaters 120 V specifications Main 1080 W, sub 500 W, small size 1000 W...
Page 19: Parts Names
1-1-2 Parts names (1) Copier Figure 1-1-1 Operation panel 12. Handles Operation panel lock lever 13. Main power switch Document processor (DP) 14. Main power switch cover Cassette 1 15. Document processor bottom cover Cassette 2 16. Original size indicator plates Cassette 3 17.
Page 20 Figure 1-1-2 22. Original table 32. Paper conveyor 23. Original width guides 33. Knob A1 24. Cleaning cloth compartment 34. Lever A2 25. Original loaded Indicator 35. Knob A3 26. Document processor top cover 36. Duplex unit 27. Ejection guide 37.
Page 21 (2) Operation panel Figure 1-1-3 Brightness adjustment dial 11. Job accounting key Copy key/indicator 12. Interrupt key/indicator Printer key/indicator 13. Energy saver key/indicator Scanner key/indicator 14. Touch panel Document management key/indicator 15. Numeric keys Print management key/indicator 16. Reset key Repeat copy key/indicator 17.
Page 22: Cross Section View
1-1-3 Cross section view Light path Paper and original path Figure 1-1-4 Paper feed section Cleaning section Main charging section PTC section Optical section Fuser section Drum section 10. Feedshift and eject section Developing section 11. Duplex section Transfer section 12.
Page 23: Drive System
1-1-4 Drive system (1) Drive system 1 (Optical section) Figure 1-1-5 Scanner motor Pulley scanner Belt scanner Front/Rear wire scanner Drum pulley Pulley moving idle Gear Z36 Pulley scanner Gear Z18/39 10. Pulley scanner 1-1-7 Y104350-7 Sevice Manual...
Page 24: Drive System 2 (Cassette Paper Feed)
(2) Drive system 2 (Cassette paper feed) Figure 1-1-6 Paper feed motor 3 Paper feed motor 4 Gear cassette feed Gear cassette feed Upper gear paper feed Upper gear paper feed Joint drive 10. Joint drive Gear 16 idle 11. Gear 16 idle Pulley leading feed 12.
Page 25: Drive System 3 (Deck Paper Feed)
(3) Drive system 3 (Deck paper feed) Figure 1-1-7 Paper feed motor 1 11. Upper gear paper feed Gear idle 50 12. Gear 16 idle Gear idle B 13. Pulley Leading feed Gear 27/24 one-way L 14. Paper feed motor 2 Gear deck 15.
Page 26: Drive System 5 (Vertical Paper Feed)
(5) Drive system 5 (Vertical paper feed) Figure 1-1-9 Vertical feed motor Gear 38 vertical feed Belt vertical feed Pulley 32 vertical feed Pulley 26 vertical feed Gear 38 vertical feed Gear 32 vertical feed 10. Gear 38 vertical feed Gear 38 vertical feed 11.
Page 27: Drive System 6 (Mp Tray Paper Feed)
(6) Drive system 6 (MP tray paper feed) Figure 1-1-10 MP feed motor Gear 54 MP tray Gear 54 MP tray Gear 44 MP tray 1-1-11 Y104350-7 Sevice Manual...
Page 28: Drive System 7 (Paper Conveying)
(7) Drive system 7 (Paper conveying) Figure 1-1-11 Registration motor Gear 43 feed Gear 47 feed Gear 25 feed A Gear 21 feed 10. Gear 16 registration Gear Z18H feed 11. Pulley 26 one-way feed Gear Z18H-Z18S feed 12. Pulley 26 one-way feed Gear 16 registration 13.
Page 29: Drive System 8 (Drive Motor And Developing Motor Drive Trains)
(8) Drive system 8 (Drive motor and developing motor drive trains) Figure 1-1-12 Drive motor 10. Gear 44 Gear 183 drum drive 11. Gear 40 DLP Shaft drum drive 12. Gear 25 DLP Belt cleaning drive 13. Gear 70 DLP Pulley tension 14.
Page 30: Drive System 9 (Transfer Motor, Fuser Motor Drive Train)
(9) Drive system 9 (Transfer motor, fuser motor drive train) Figure 1-1-14 Transfer motor 14. Gear 29 duplex Gear 82 TFR 15. Gear 19/33 eject Gear 36 TFR 16. Pulley 20 TC ground roller 17. Pulley 24 eject Coupling TC drive 18.
Page 31 Figure 1-1-15 Duplex section Gear 28/35 Pulley DU tension Belt rear feed Gear DU 30 one-way 10. Gear 37/24 DU conveying Duplex switchback motor 11. Gear 27/24 one-way L Gear 24 DU conveying 12. Pulley 30 DU Duplex feed motor 13.
Page 32: Drive System 10 (Toner Motor Drive Train)
(10) Drive system 10 (Toner motor drive train) Figure 1-1-17 Toner motor Gear Z70/Z16S Gear Z56S/Z20S Gear 38 Gear joint CONT Coupling container 1-1-16 Service Manual Y104350-7...
Page 33: Drive System 11 (Document Processor)
(11) Drive system 11 (Document processor) Figure 1-1-18 Original conveying motor 22. Gear CIS roller 20 23. Gear CIS idle 21 Timing belt C motor 244 24. Gear CIS idle 21 Pulley C roller 99 25. Gear CIS roller 20 Original registration motor 26.
Page 35: Drum
1-2Handling Precautions 1-2-1 Drum Note the following when handling or storing the drum. • When removing the drum, never expose the drum surface to strong direct light. ° ° ° ° • Keep the drum at an ambient temperature between -20 C/-4 F and 40 C/104...
Page 36 a: 680 mm/26 " b: 783 mm/30 " 13/16 c: 1190 mm/46 " d: 1860 mm/73 " 3/16 e: 1465 mm/57 " 11/16 f: 1530 mm/60 " 3/16 Figure 1-2-1 Installation dimensions 1-2-2 Service Manual Y104350-7...
Page 37: Unpacking And Installation
1-3Installation 1-3-1 Unpacking and installation (1) Installation procedure Start Unpacking. Taking out the machine. Remove the tapes, pins, spacers and sheet. Remove the screws. Remove the tapes of transfer section. Installing the toner container. Connecting the power cord. Initial setting for the developer. Make test copies.
Page 38 Unpacking. Figure 1-3-1 Unpacking Main body 16. Sheet Skid 17. DP sheet Slopes 18. Rear sheets Lower left spacer 19. Hinge joints Lower right spacer 20. Plastic bag Upper left spacer 21. Operation guide Upper right spacer 22. Casette size plates Upper spacer 23.
Page 39 Taking out the machine. When taking out the machine, a space for machine rear requires approximately 2 m. 1. Remove the hinge joints, and then remove the upper case, the upper spacer, the upper left spacer, the upper right spacer, the outer case and the supports.
Page 40 5. Remove the machine cover and pull out the handles on machine left and right. 6. Lift the machine each left and right one side, and then remove the lower left and right spacers. 7. Move the machine alongside slopes to slide to the floor.
Page 41 Remove the tapes, pins, spacers and sheet. 1. Remove nineteen tapes, DP spacer and DP sheet. DP spacer Tape Tapes Tapes DP sheet Tape Tape Tape Tapes Tapes Tapes Figure 1-3-4 2. Remove four tapes, two pins for light source Pin for unit 1 and pin for light source unit 2.
Page 42 3. 120 V specifications Remove the two tapes of power cord. 230 V specifications Remove the tape of power cord. 120 V specifications 230 V specifications Tape Tapes Figure 1-3-6 4. Remove four tapes and two rear sheets. Tapes Tape Rear sheet Tape Rear sheet...
Page 43 6. Pull out cassette 1 and 2, then remove two Deck spacer deck spacers. 7. Remove the tape from the deck spacer of Guide case cassette 1 and then remove the guide case. Tape Deck spacer Figure 1-3-9 8. Pull out cassette 3 and 4, then remove two cassette spacers and tapes.
Page 44 Remove the tapes of transfer section. 1. Pull out the paper conveying unit. 2. Remove two tapes from the transfer section. Tape Tape Figure 1-3-13 3. Refit the conveying unit. 1-3-8 Service Manual Y104350-7...
Page 45 Installing the toner container. 1. Set the toner container on a flat surface. * When setting it down with the gear-end fac- ing down, place some cushioning material underneath. 2. Tap the top of the toner container at least ten times. 3.
Page 46 Connecting the power cord. 1. Connect the power cord to the inlet on lower left of the machine. (230 V specifications only.) 2. Connect the power plug to the wall outlet. Power cord Figure 1-3-16 Initial setting for the developer. 1.
Page 47 Attaching the language label (230 V specifications only). 1. According to need, attach the correspond language of operation unit label, MP label, DP labels and main power switch label. MP label Figure 1-3-18 DP labels Main power switch label DP label Figure 1-3-19 Installing the guide case.
Page 48: Setting Initial Copy Modes
1-3-2 Setting initial copy modes Factory settings are as follows: Maintenance Contents Factory setting item No. U253 Switching between double and single counts Double count for A3/11" x 17" paper only U254 Turning auto start function ON/OFF U258 Switching copy operation at toner empty detection SINGLE MODE U260 Changing the copy count timing...
Page 49: Installing The Key Counter (Option)
1-3-3 Installing the key counter (option) Key counter installation requires the following parts: Key counter cover Key counter retainer Key counter cover retainer Key counter mount Key counter socket assembly Four (4) M4 x 6 TP-A screws One (1) M4 x 20 TP-A screw One (1) M6 x 6 TP-A screw One (1) M4 x 30 binding screw (P/N B1304300)
Page 50 3. Cut out the aperture plate on the middle right cover using nippers. 4. Pass the 4-pin connector of the key counter through the apertures in the key counter cover retainer and middle right cover, and insert into the 4-pin connector inside the machine. 5.
Page 51: Installing The Document Finisher (Option)
1-3-4 Installing the document finisher (option) • Output connector of the main machine is non-LPS. Please use the item below interconnecting cable. Circuit type: Non-LPS Circuit specs.: 24 V DC • Before installing the document finisher, press the Power key on the operation panel to off. Make sure that the Power lamp is off before turning off the main power switch.
Page 52 3. As shown in the figure, affix the sponge to Finisher the top cover of the finisher. Aligning the bottom of the sponge with the bottom of the top cover, affix the sponge in the center of the cover. Sponge Figure 1-3-25 4.
Page 53 7. Remove the screw and pull out the connect- ing rail at the upper part of the finisher. Screw Connecting rail Figure 1-3-28 8. Cut out the hole covers at two locations on the machine. 9. Position the finisher and machine so the long pin of the connect- ing plate aligns with the back hole of the finisher, and the two short pins align with the holes of the connecting rail.
Page 54 12. Pressing down on the link lever, secure it Link lever with the screw removed in step 6. Screw Figure 1-3-31 Retainer 13. Remove the tape. Remove the four blue screws locking each of the two separate retainers to the intermediate tray and detach both retainers.
Page 55 16. Remove the tape inside the finisher. Tape Figure 1-3-34 17. Raise the release handle to open the inter- mediate tray and then remove the four tapes. Tapes Tapes Release handle Figure 1-3-35 18. Load two staple cartridges into the staple holders and press down on them until they Staple holders lock securely into place.
Page 56 20. Insert the two nuts into the main tray. 21. Secure the main tray with two pins. 22. Install the sub tray by inserting it from above into the hole on the finisher. Nuts Main tray Sub tray Hole Pins Figure 1-3-37 23.
Page 57 25. Refit the signal cable cover using the screw. Pass the signal cable through a cut of the signal cable cover as shown in the figure. Signal cable cover Figure 1-3-40 26. Remove the screw from the lower rear cover of the machine.
Page 58 [Correcting paper curling] 1. Set the machine in the non-sort mode and run paper through the machine to make a test copy. 2. Check if the paper that is ejected from the finisher is curled. If it is, make the following adjustment.
Page 59 3. Rotate the upper lever by one mark in the direction of the higher numbers. There are 5 marks. 4. Close the front cover. 5. Run paper through the machine and check if it is still curled upward. 6. Repeat steps 1 to 5 until the ejected paper does not curl upward anymore.
Page 60: Installing The Side Feeder (Option)
1-3-5 Installing the side feeder (option) • Output connector of the main machine is non-LPS. Please use the item below interconnecting cable. Circuit type: Non-LPS Circuit specs.: 24 V DC • Before installing the side feeder, press the Power key on the operation panel to off. Make sure that the Power lamp is off before turning off the main power switch.
Page 61 M4 x 12 flat-head screw 5. Attach the switch contact plate to the right rear lower cover using the M4 x 12 flat-head screw. Switch contact plate Right rear lower cover Figure 1-3-49 6. Pull out the fixing plate of the side feeder, Right cover and insert it into the bottom of the machine's right cover.
Page 62 9. Open the side feeder’s right cover and top cover, remove the two screws, and remove Screw Screw the anchor bracket. Anchor bracket Figure 1-3-52 10. Set the side feeder on the machine, and connect its signal cable to the connector on the back of the machine.
Page 63 [Correcting the inclination] • If the side feeder is not level, perform the following steps to adjust its inclination. 1. Loosen the two adjustment screws. 2. Slide the fixing plate in the direction indicated by the arrow, and then tighten the adjusting screws. 3.
Page 64: Installing The Printer Kit (Option)
1-3-6 Installing the printer kit (option) • Before installing the printer kit, press the Power key on the operation panel to off. Make sure that the Power lamp is off before turning off the main power switch. And then unplug the power cable from the wall outlet. Turning off the main power switch before pressing the Power key to off may cause damage to the equipped hard disk.
Page 65 Install the optional hard disk. 1. Remove the two pins, and then remove the HDD cover. 2. Slide in the hard disk along the rails, and then secure it with the two pins. After installation, the hard disk must be for- matted.
Page 66 • Remove the screw of the lower rear cover. Fasten all the cables with the clamp and tighten the M3 screw to fix the clamp. Make sure that the clamp is facing as shown in the figure. M3 screw Clamp Figure 1-3-62 1-3-30 Service Manual...
Page 67: Installing The Scanner Kit (Option)
1-3-7 Installing the scanner kit (option) • Before installing the scanner kit, press the Power key on the operation panel to off. Make sure that the Power lamp is off before turning off the main power switch. And then unplug the power cable from the wall outlet. Turning off the main power switch before pressing the Power key to off may cause damage to the equipped hard disk.
Page 68 • Remove the screw of the lower rear cover. Fasten all the cables with the clamp and tighten the M3 screw to fix the clamp. Make sure that the clamp is facing as shown in the figure. M3 screw Clamp Figure 1-3-66 1-3-32 Service Manual...
Page 69: Installing The Security Kit (Option)
1-3-8 Installing the security kit (option) • Before installing the security kit, press the Power key on the operation panel to off. Make sure that the Power lamp is off before turning off the main power switch. And then unplug the power cable from the wall outlet. Turning off the main power switch before pressing the Power key to off may cause damage to the equipped hard disk.
Page 70 3. Insert the board support into the elongate hole. Secure the board support by rotating either clockwise/counterclockwise for 90 degrees. Be careful not to pinch the power cable. 4. Connect the security board to the YC27 con- nector of the main PWB. Secure it with the board support.
Page 71: Maintenance Mode
1-4 Maintenance Mode 1-4-1 Maintenance mode The copier is equipped with a maintenance function which can be used to maintain and service the machine. (1) Executing a maintenance item Start Enter 10871087 using Maintenance mode is entered. the numeric keys. Enter the maintenance item number using the cursor up/down keys The maintenance item is...
Page 72: Maintenance Mode Item List
(2) Maintenance mode item list Section Item Content of maintenance item Initial setting* General U000 Printing out an own-status report U001 Exiting the maintenance mode U002 Setting the factory default data U003 Setting the service telephone number *************** U004 Displaying the machine number U005 Copying without paper U018...
Page 73 Section Item Content of maintenance item Initial setting* Optical U060 Adjusting the scanner input properties 12/11 U061 Checking the operation of the exposure lamps U063 Adjusting the shading position U064 Adjusting the CCD level U065 Adjusting the scanning magnification U066 Adjusting the scanner leading edge registration 10/0 U067...
Page 74 Section Item Content of maintenance item Initial setting* Developing U135 Checking toner motor operation U137 Checking the toner level detection sensor U147 Setting for toner applying operation U152 Setting developing motor mode U157 Checking the developing drive time U158 Checking the developing count Fuser and U161 Setting the fuser control temperature...
Page 75 Section Item Content of maintenance item Initial setting* Operation U248 Changing the paper ejection device settings panel/ Adjustment of registration stop timing in punch mode Optional units Adjustment of the paper stop timing in punch mode Punch-hole scrap count Setting the booklet stapling position 0/0/0 Setting the center folding position 0/0/0...
Page 76 Section Item Content of maintenance item Initial setting* Other U901 Checking/clearing total copy counts by paper feed location U903 Checking/clearing the paper jam count U904 Checking/clearing the call for service counts U905 Checking/clearing count by optional devices U906 Resetting partial operational control U907 Checking/clearing the count value on each ejection location U908...
Page 77: Contents Of The Maintenance Mode Items
(3) Contents of the maintenance mode items Maintenance Description item No. Printing out an own-status report U000 Description Prints out a list of the current settings of all maintenance items, and occurrences of paper jams and service calls. Purpose To check the current setting of the maintenance items, or the occurrences of paper jams and service calls. Before initializing or replacing the backup RAM, print out a list of the current settings of the maintenance items so that you can reenter the same settings after initialization or replacement.
Page 78 Maintenance Description item No. Setting the service telephone number U003 Description Sets the telephone number to be displayed when a service call code is detected. Purpose To set (during initial set-up of the machine) the telephone number for contacting service. Method Press the start key.
Page 79 Maintenance Description item No. Copying without paper U005 Description Simulates the copy operation without paper feed. Purpose To check the overall operation of the machine. Remarks Execute this maintenance mode after pull out all four cassettes. Method 1. Press the start key. The screen for selecting an item is displayed. 2.
Page 80 Maintenance Description item No. Displaying the ROM version U019 Description Displays the part number for the ROM fitted to each PWB. Purpose To check the part number or to decide, based on the last digit of the number, if the newest version of ROM is installed.
Page 81 Maintenance Description item No. Memory initializing U021 Description Initializes all settings, except those pertinent to the type of copier, namely each counter, service call history and mode setting. Also initializes backup RAM according to region specification selected in maintenance item U252 “Setting the destination.”...
Page 82 Maintenance Description item No. Evacuation of backup data U026 Description Transfers the backup data of the main PWB to the EEPROM. Purpose Used when replacing the main PWB. Method 1. Press the start key. The screen for executing is displayed. 2.
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Page 84 Maintenance Description item No. Checking the operation of the motors U030 Description Drives each motor. Description To check the operation of each motor. Method 1. Press the start key. The screen for selecting an item is displayed. 2. Select the motor to be operated. The selected item is displayed in reverse and the operation starts. Two or more motors can be selected.
Page 85 Maintenance Description item No. Checking switches for paper conveying U031 Description Displays the ON/OFF status of each paper detection switch on the paper conveying path. Purpose To check the operation of the switches for paper conveying. Method 1. Press the start key. A list of switches, the on-off status of which can be checked, are displayed. 2.
Page 86 Maintenance Description item No. Checking the operation of the solenoids U033 Description Applies current to each solenoid in order to check its ON status. Purpose To check the operation of each solenoid. Method 1. Press the start key. The screen for selecting an item is displayed. 2.
Page 87 Maintenance Description item No. Checking the operation of the fan motors U037 Description Drives the fan motors. Description To check the operation of the fan motors. Method 1. Press the start key. The screen for selecting an item is displayed. 2.
Page 88 Maintenance Description item No. Setting the adjustment of the motor speed U053 Description Performs fine adjustment of the speeds of the motors. Purpose Basically, the setting need not be changed. Modify settings by interlock setting only if faulty images occur. Method Press the start key.
Page 89 Maintenance Description item No. Setting: separate setting U053 1. Select Separate setting at the screen for selecting an item. 2. Select the item to be adjusted. The selected item is displayed in reverse. 3. Change the value using the cursor up/down keys. Display Description Setting...
Page 90 Maintenance Description item No. Completion U059 To exit this maintenance item without changing the current setting, press the stop/clear key. The screen for selecting a maintenance item No. is displayed. Adjusting the scanner input properties U060 Description Adjusts the image scanning density in text, text and photo, or photo mode. Purpose Used when the entire image appears too dark or light.
Page 91 Maintenance Description item No. Adjusting the shading position U063 Description Changes the shading position of the scanner. Purpose Used when the white line continue to appear longitudinally on the image after the shading plate is cleaned. This is due to flaws or stains inside the shading plate. To prevent this problem, the shading position should be changed so that shading is possible without being affected by the flaws or stains.
Page 92 Maintenance Description item No. Adjusting the scanning position for originals from the DP U068 Description Adjusts the position for scanning originals from the document processor. Performs the test copy at the five scanning positions after adjusting. Purpose Used when the image fogging occurs because the scanning position is not proper when the document proces- sor is used.
Page 93 Maintenance Description item No. Checking the scanner operation U073 Description Simulates the scanner operation under the arbitrary conditions. Purpose To check the scanner operation. Implementation 1. Press the start key. The screen for selecting an item is displayed. 2. Select the item to be operated. The selected item is displayed in reverse. Display Operation SCANNER MOT...
Page 94 Maintenance Description item No. Adjusting the DP input light luminosity U074 Description Adjusts the luminosity of the exposure lamp for scanning originals from the DP. Purpose Used if the exposure amount differs significantly between when scanning an original on the contact glass and when scanning an original from the DP.
Page 95 Maintenance Description item No. Executing DP automatic adjustment U076 Description Uses a specified original and automatically adjusts the following items in the DP scanning section. Adjusting the DP magnification (U070) Adjusting the DP scanning timing (U071) Adjusting the DP center line (U072) When you run this maintenance mode, the preset values of U070, U071 and U072 will also be updated.
Page 96 Maintenance Description item No. Setting DP reading position modification operation U087 Description Sets the black line inspection at the time of reading the original from the DP. Method Press the start key. The screen for selecting an item is displayed. Setting 1.
Page 97 Maintenance Description item No. Outputting the MIP-PG pattern U089 Description Selects and outputs the MIP-PG pattern created by the copier. Purpose To check copier status other than scanner when adjusting image printing, using MIP-PG pattern output (with- out scanning). Method 1.
Page 98 Maintenance Description item No. Adjusting the scanner automatically U092 Description Makes auto scanner adjustments in the order below using the specified original. Adjusting the scanner center line (U067) Adjusting the scanner leading edge registration (U066) Adjusting the scanner magnification in the auxiliary direction (U065) When this maintenance item is performed, the settings in U065, U066 and U067 are also changed.
Page 99 Maintenance Description item No. Adjusting the exposure density gradient U093 Description Changes the exposure density gradient in the manual density mode, depending on respective image quality modes. Purpose To set how the image density is altered by a change of one step in the manual density adjustment for respec- tive image quality modes.
Page 100 Maintenance Description item No. Setting: Gradient in photo mode U093 1. Select the item to be set. The selected item is displayed in reverse. 2. Change the setting value using the cursor up/down keys. Display Setting Setting Default range setting PHOTO DARKER Change in density when manual density is set 0 to 3...
Page 101 Maintenance Description item No. Adjusting original size detection U099 Description Checks the operation of the original size detection sensor and sets the sensing threshold value. Purpose To adjust the sensitiveness of the sensor and size judgement time if the original size detection sensor mal- functions frequently due to incident light or the like.
Page 102 Maintenance Description item No. Adjusting the surface potential U100 Description Performs the main charging output. Purpose To check the main charging. Do not change the preset value. Start Press the start key. The screen for selecting an item is displayed. Display Description DSP DATA...
Page 103 Maintenance Description item No. Setting the other high voltages U101 Description Sets the developing bias control voltage, the transfer control voltage, and the separation control voltage or checks the output of these voltages. Purpose To check or change the developing bias, the transfer voltage, and the separation voltage. Method Press the start key.
Page 104 Maintenance Description item No. Setting the cleaning interval for the main charger U102 Description Executes a cleaning operation for the main charger and changes the intervals at which the main charger is cleaned. Purpose To check the cleaning operation for the main charger. Also to change the intervals for the operation. Making the intervals longer decreases the stand-by time when starting copying.
Page 105 Maintenance Description item No. Checking/clearing the drum drive time U111 Description Displays the drum drive time for checking, clearing or changing a figure, which is used as a reference when correcting the high voltage based on time. Purpose To check the drum status. Also used to clear the drive time after replacing the drum. Method Press the start key.
Page 106 Maintenance Description item No. U129 When the setting value of TC ON is increased, transfer timing becomes late to improve the separability. 3. Press the start key. The value is set. Interrupt copy mode While this maintenance item is being executed, copying from an original is available in the interrupt copying mode.
Page 107 Maintenance Description item No. Checking the toner level detection sensor U137 Description Displays the detection status of the toner level detection sensor and toner container. Purpose To check the toner level in the developing unit and toner container. Also to check the installation of the toner container.
Page 108 Maintenance Description item No. Method: Toner applying operation quantity U147 1. Select INTERVAL at the screen for selecting an item. 2. Change the setting using the cursor up/down keys. Setting Setting range Default setting Toner applying operation quantity 50 to 4500 3.
Page 109 Maintenance Description item No. Setting the fuser control temperature U161 Description Changes the fuser control temperature. Purpose Normally no change is necessary. However, can be used to prevent curling or creasing of paper, or solve a fuser problem on thick paper. Method 1.
Page 110 Maintenance Description item No. Interrupt copy mode U161 While this maintenance item is being executed, the copy of whole surface black can be outputted in the inter- rupt copying mode. Completion Press the stop/clear key at the screen for adjustment. The screen for selecting a maintenance item No.
Page 111 Maintenance Description item No. Setting the fuser web drive U194 Description Sets the interval (number of copies) for turning on the fuser web solenoid. Purpose To be executed when the fuser web roller becomes extremely soiled. Method Press the start key. The screen for adjustment is displayed. Setting 1.
Page 112 Maintenance Description item No. Displaying fuser heater temperature U199 Description Displays the detected fuser temperature, temperature and humidity outside the machine, and temperature and humidity inside the machine. Purpose To check the fuser temperature, temperature and humidity outside the machine, and temperature and humid- ity inside the machine.
Page 113 Maintenance Description item No. Operating DP separately U203 Description Simulates the original conveying operation separately in the DP. Purpose To check the DP. Method 1. Press the start key. The screen for selecting an item is displayed. 2. Place an original in the DP if running this simulation with paper. 3.
Page 114 Maintenance Description item No. Checking the operation panel keys U207 Description Checks operation of the operation panel keys. Purpose To check operation of all the keys and LEDs on the operation panel. Method 1. Press the start key. The screen for executing is displayed. 2.
Page 115 Maintenance Description item No. Setting punch destination U234 Description Sets the destination of optional punch unit of document finisher. Purpose To be set when installing the optional punch unit. Method Press the start key. The screen for selecting an item is displayed. Setting 1.
Page 116 Maintenance Description item No. Adjusting finisher stack quantity U237 Description Sets the number of sheets of stack on the main tray in the optional document finisher. Purpose To change the setting when a stack malfunction has occurred. Method Press the start key. The screen for selecting an item is displayed. Setting 1.
Page 117 Maintenance Description item No. Checking the operation of the finisher U240 Description Turns each motor and solenoid of the document finisher ON. Purpose To check the operation of each motor and solenoid of the document finisher. Method 1. Press the start key. The screen for selecting an item is displayed. 2.
Page 118 Maintenance Description item No. U240 3. To turn ON a solenoid with the motor driving, press the interrupt key before selecting the solenoid. The driving motor will start operation, and the selected clutch or the solenoid will remain ON until the interrupt key is pressed again.
Page 119 Maintenance Description item No. U241 Display Switches CRT_R_HP_SW Rear clincher home position sensor (CLNHPS-R) T_OPEN_SW Upper cover switch (UCSW) F_OPEN_SW Front cover switch (FCSW) JTRAY_DT_SW Multi job tray position sensor (MJTPS) JTRAY_P_SW1 Paper detection switch 1 (PDSW1) JTRAY_P_SW2 Paper detection switch 2 (PDSW2) JTRAY_P_SW3 Paper detection switch 3 (PDSW3) JTRAY_P_SW4...
Page 120 Maintenance Description item No. Checking the operation of the DP motors U243 Description Turns the motors in the DP on. Purpose To check the operation of the DP motors. Method 1. Press the start key. The screen for selecting an item is displayed. 2.
Page 121 Maintenance Description item No. Checking messages U245 Description Displays a list of messages on the touch panel of the operation panel. Purpose To check the messages to be displayed. Method 1. Press the start key. 2. Select the item to be displayed. 3.
Page 122 Maintenance Description item No. Setting the paper ejection device U248 Description Adjusts the paper stop timing in the punch mode, the booklet stapling position, and the center folding position for the copier with an document finisher installed. Also, displays and clears the punch-hole scrap count. Purpose Adjustment or registration stop timing in punch mode Adjust if skewed paper conveying occurs or if the copy paper is Z-folded in punch mode.
Page 123 Maintenance Description item No. Setting the paper stop timing U248 1. Select PUNCH POSITION ADJUST at the screen for selecting an item. 2. Change the value using the cursor up/down keys. Description Setting Default Change in value range setting per step Adjustment of the paper stop timing in punch mode -10 to 10 0.24 mm...
Page 124 Maintenance Description item No. U248 Copy sample 1 Copy sample 2 4. Press the start key. The value is set. 5. To return to the screen for selecting an item, press the stop/clear key. Setting the center folding position 1. Select SADDLE ADJUST at the screen for selecting an item. 2.
Page 125 Maintenance Description item No. Setting the punch limit U248 1. Select PUNCH PRESET at the screen for selecting an item. 2. Change the value using the * or # keys. Description Setting range Default setting Punch limit (max. number of punches) 0 to 999000 100000 The punch limit can be set to any value in increments of 1000.
Page 126 Maintenance Description item No. Setting the destination U252 Description Switches the operations and screens of the machine according to the destination. Purpose To be executed after initializing the backup RAM by running maintenance item U020, in order to return the set- ting to the value before replacement or initialization.
Page 127 Maintenance Description item No. Switching between double and single counts U253 Description Switches the count system for the total counter and other counters. Purpose According to user (copy service provider) request, select if A3/11 x 17 or B4/Legal paper is to be counted as one sheet (single count) or two sheets (double count).
Page 128 Maintenance Description item No. Switching copy operation at toner empty detection U258 Description Selects if continuous copying is enabled after toner empty is detected, and sets the number of copies that can be made after the detection. Purpose To change the copying operation after detection of toner empty status. Method Press the start key.
Page 129 Maintenance Description item No. Setting the paper ejection when copying from the DP U263 Description Sets whether the copies will be ejected in the same or opposite order as the originals when copying from the Purpose Set according to the preference of the user. Method Press the start key.
Page 130 Maintenance Description item No. Setting the number of days after which to automatically delete documents U266 Description Sets the number of days to save documents on the HDD before automatically deleting. Purpose To change the number of days to retain data that is saved within the auto-delete area of the HDD before auto- matically deleting.
Page 131 Maintenance Description item No. Setting the black line cleaning indication U326 Description Sets whether to display the cleaning guidance when detecting the black line. Purpose Displays the cleaning guidance in order to make the call for service with the black line decrease by the rubbish on the contact glass when scanning from the DP.
Page 132 Maintenance Description item No. Setting the number of sheets to enter stacking mode during sort operation U330 Description Sets the number of copies at which copy ejection will be switched from the optional document finisher's sub tray to its main tray when sorting is turned ON in the setting for the output mode under user simulation. Purpose To be set as required according to the number of copies the user makes.
Page 133 Maintenance Description item No. Setting the drum heater mode U335 Description Sets the drum heater to ON or OFF. If the image deletion occurs in an environment of a temperature and humidity widely varies, change the setting to ON2. Purpose Basically, the setting need not be changed.
Page 134 Maintenance Description item No. Setting the ejection restriction U342 Description Sets or cancels the restriction on the number of sheets to be ejected continuously when the internal eject tray is selected as the eject location. Purpose According to user request, sets or cancels restriction on the number of sheets. Method 1.
Page 135 Maintenance Description item No. Setting the value for maintenance due indication U345 Description Sets when to display a message notifying that the time for maintenance is about to be reached, by setting the number of copies that can be made before the current maintenance cycle ends. When the difference between the number of copies of the maintenance cycle and that of the maintenance count reaches the set value, the message is displayed.
Page 136 Maintenance Description item No. Adjusting the laser output position U472 Description Adjust the writing position of a laser output. Purpose Enter the numerical value indicated by the LSU cover in order to arrange the writing position of three laser when replacing the laser scanner unit. Method Press the start key.
Page 137 Maintenance Description item No. Setting the time out U506 Description Sets the communication timeout time for connection to a computer. Purpose To change the preset value if a communication error occurs after connection to a computer continues for a long time. By delaying the error detection timing, the error may be cleared. If the error is not cleared after the preset value is changed, however, return the preset value to the initial value.
Page 138 Maintenance Description item No. Setting the enterprise mode U510 Description Sets whether or not the enterprise mode setting is enabled if an optional network scanner is installed. This maintenance mode is effective for only 120 V specifications. Purpose According to user request, changes the setting. Supplement It is not possible to turn setting simultaneously with U511 (Setting scan To FTP) to ON.
Page 139 Maintenance Description item No. Checking/clearing copy counts by paper feed locations U901 Description Displays or clears copy counts by paper feed locations. Purpose To check the time to replace consumable parts. Also to clear the counts after replacing the consumable parts. Method 1.
Page 140 Maintenance Description item No. Checking/clearing the call for service counts U904 Description Displays or clears the service call code counts by types. Purpose To check the service call code status by types. Also to clear the service call code counts after replacing consumable parts. Start Press the start key.
Page 141 Maintenance Description item No. Checking/clearing counts by optional devices U905 Description Displays or clears the counts of the DP or optional document finisher. Purpose To check the use of the DP and optional document finisher. Also to clear the counts after replacing consum- able parts.
Page 142 Maintenance Description item No. Checking/clearing the count value on each ejection location U907 Description Displays and resets the count value of ejected sheets on each ejection location. Purpose Checks the replacement period for maintenance parts. Also resets the count value after replacing the mainte- nance parts.
Page 143 Maintenance Description item No. Clearing the black ratio data U910 Description Clears the accumulated black ratio data for A4 sheet. Purpose To clear data as required at times such as during maintenance service. Method 1. Press the start key. 2. Press CANCEL on the touch panel. 3.
Page 144 Maintenance Description item No. Checking/clearing the solenoid count value U922 Description Displays and clears the count value of solenoid. Purpose To check the period of replacement of solenoid. Also to clear the count value after replacement. Method Press the start key. Display Description FS SOL COUNT...
Page 145 Maintenance Description item No. Relay board maintenance U935 Description Sets the machine status temporarily when call for service (C0060 and C0330) occurs. However, after the set- ting, call for service (C0060 and C0330) occurs again when progress of period. Method Press the start key.
Page 146 Maintenance Description item No. Setting the cassette disconnection U965 Description Sets whether or not cancellation of cassette disconnection with the reset key is enabled after abnormal cas- sette has been detected. Purpose Enables cancellation of cassette disconnection by user. Method Press the start key.
Page 147 Maintenance Description item No. HDD Scandisk U989 Description Restores data in the hard disk by scanning the disk. Purpose If power is turned off while accessing to the hard disk is performed, the control information in the hard disk drive may be damaged. Use this mode to restore the data. Method 1.
Page 148: Copier Management
1-4-1 Copier management In addition to a maintenance function for service, the copier is equipped with a management function which can be oper- ated by users (mainly by the copier administrator). In this copier management mode, settings such as default settings can be changed.
Page 149: Job Accounting
(2) Job accounting Total copy count Tracks the total copy counts of all departments and New account print the total in the form of job accounting reports. The Creates new accounts by entering an account ID code total copy count can be reset as necessary. (of up to eight digits), account name, and restrictions 1.
Page 150: Default Settings For Copying
Printing from unregistered sources (printer) (3) Default settings for copying Authorizes or prohibits printing from computers with Exposure mode printer drivers that do not support job accounting. Exposure mode changes the default for how the copier This setting is displayed only if Printer Job Accounting adjust how dark or light copying is made.
Page 151 Selecting copy paper for zooming Adjusting automatic exposure for scanning text doc- Automatically sets the copy paper according to the uments selected zooming level or according to the size of the Adjusts the scanning exposure when the copier is original document. installed with the option scanner.
Page 152: Common Default Settings
Erasing borders Customizing additional functions screen Sets the width for erasing borders. Customizes the layout of the additional functions 1. Select [Default erase width] using the cursor up/ screen. down keys and press [Change #]. 1. Select [Customize (User Choice)] ([Customize (Add 2.
Page 153 Specifying the paper weight to the paper type Orientation of original document Assigns one of the paper weights to the paper type. Sets the orientation of the original document on the 1. Select [Paper Type (paper weight)] using the cursor contact glass.
Page 154: Weekly Timer
Adjusting date and time (5) Weekly timer Sets the date and time. Weekly timer Before proceeding to adjust the date and time, com- Sets the time to turn on and off the copier for each day plete Setting Time Difference (Time Zone). of the week.
Page 155: Registering Non-Standard Sizes For Originals
Specifying the paper type to the MP tray The password should be a number up to 8 digits. Sets the paper type when using the MP tray. If you prefer not to specify a password, press 1. Press [Select Paper Type]. [Clear].
Page 156: Checking Total Copy Count
(11) Checking total copy count Checks the total copy count on the operation panel and print this information as a counter report. Before printing reports, be sure that the cassette is loaded with 11" x 8 " (or A4) paper. 1.
Page 157: Paper Misfeed Detection
1-5 Troubleshooting 1-5-1 Paper misfeed detection (1) Paper misfeed indication When a paper misfeed occurs, the copier immediately stops copying and displays the jam location on the operation panel. Paper misfeed counts sorted by the detection condition can be checked in maintenance item U903. To remove paper jammed in the copier, open front cover, right cover or paper cassette.
Page 158: Paper Misfeed Detection Conditions
(2) Paper misfeed detection conditions OFSW ORSW DPTSW2 DPTSW1 SBESW FSSW FSW1 MPFDM DUPFSW DUPCSW1 DUPSBM DUPCSW2 FSW2 DUPCSW3 DUPSBM TIMSW1 DUPSRM DKCSW1 DKCSW2 PFM2 PFM1 FSW3 FSW4 TIMSW2 PFM3 FSW5 TIMSW3 PFM4 Figure 1-5-2 1-5-2 Service Manual Y104350-7...
Page 159 Section Jam code Description Conditions System Cover open Cover is open during copying. Memory read ready time- Secondary paper feed does not start even if 30 s elapse after the registration switch (RSW) is turned on and primary paper feed is complete. Main charger error An error signal is generated continuously more than 400 ms when the main charger is turned on during printing.
Page 160 Section Jam code Description Conditions Paper feed Misfeed in copier vertical Feed switch 2 (FSW2) does not turn on within 1500 ms of section paper conveying section 4 deck convaying switch 1 (DKCSW1) turning on (when paper is fed from cassette 2). Feed switch 2 (FSW2) does not turn on within specified time <1590 ms (1166 ms) for 80 cpm/2046 ms (1166 ms) for 60 cpm>...
Page 161 Section Jam code Description Conditions Paper feed Multiple sheets in cassette Feed switch 2 (FSW2) does not turn off within 1300 ms of deck section paper feed section 4 conveying switch 1 (DKCSW1) turning on. Feed switch 2 (FSW2) does not turn off within specified time <1100 ms (806 ms) for 80 cpm/1415 ms (806 ms) for 60 cpm>...
Page 162 Section Jam code Description Conditions Paper con- Misfeed in registration/ Registration switch (RSW) does not turn on within specified veying sec- transfer section (cassette/ time <459 ms (336 ms) for 80 cpm/590 ms (336 ms) for 60 tion MP tray/optional side cpm>...
Page 163 Section Jam code Description Conditions Duplex sec- Misfeed in duplex registra- Switchback exit switch (SBESW) does not turn off within spec- tion tion section ified time (2000 ms for 80 cpm/2573 ms for 60 cpm) of its turn- ing on. Exit switch (ESW) does not turn off within specified time (1136 ms for 80 cpm/1461 ms for 60 cpm) of duplex feed switch (DUPFSW) turning on.
Page 164 Section Jam code Description Conditions DP section System error jam The document processor top cover is opened during original feeding. CIS is opened during original feeding. DP is opened during original feeding. The power source is turned on when the original is remained in the original conveying path.
Page 165 Section Jam code Description Conditions Optional Jam in saddle tray section When the inside tray detection sensor (ITDS) does not turn on document within 5000 ms of the centerfold unit paper entry sensor finisher (CUPES) turning on. Jam in saddle eject sec- The folded edge detection sensor (FEDS) is not turned on tion even if 5000 ms elapse after centerfold operation starts.
Page 166: Paper Misfeeds
(3) Paper misfeeds Problem Causes/check procedures Corrective measures A piece of paper torn from Check visually and remove it, if any. A paper jam in the copy paper is caught paper feed, convey- around feed switches, deck ing or eject section is conveying switch, registra- indicated as soon as tion switch, exit switch.
Page 167 Problem Causes/check procedures Corrective measures Paper in cassette 1 is Change the paper. A paper jam in the extremely curled. paper feed section is Check if the paper feed pul- Check visually and replace any deformed pulleys. indicated during ley, forwarding pulley and copying (no paper separation pulley of cas- feed from cassette...
Page 168 Problem Causes/check procedures Corrective measures Paper in cassette 4 is Change the paper. A paper jam in the extremely curled. paper feed section is Check if the paper feed pul- Check visually and replace any deformed pulleys. indicated during ley, forwarding pulley and copying (no paper separation pulley of cas- feed from cassette...
Page 169 Problem Causes/check procedures Corrective measures Broken feed switch 4 actua- Check visually and replace feed switch 4 if its actuator is broken. A paper jam in the tor. paper feed section is Defective feed switch 4. Run maintenance item U031 and turn feed switch 4 on and off indicated during manually.
Page 170 Problem Causes/check procedures Corrective measures (11) Broken deck conveying Check visually and replace deck conveying switch 1 if its actuator A paper jam in the switch 1 actuator. is broken. paper feed section is Defective deck conveying Run maintenance item U031 and turn deck conveying switch 1 on indicated during switch 1.
Page 171 Problem Causes/check procedures Corrective measures (15) Broken feed switch 2 actua- Check visually and replace feed switch 2 if its actuator is broken. A paper jam in the tor. paper feed section is Defective feed switch 2. Run maintenance item U031 and turn feed switch 2 on and off indicated during manually.
Page 172 Problem Causes/check procedures Corrective measures (17) Broken deck conveying Check visually and replace deck conveying switch 1 if its actuator A paper jam in the switch 1 actuator. is broken. paper feed section is Defective deck conveying Run maintenance item U031 and turn deck conveying switch 1 on indicated during switch 1.
Page 173 Problem Causes/check procedures Corrective measures (21) Broken feed switch 1 actua- Check visually and replace feed switch 1 if its actuator is broken. A paper jam in the tor. paper conveying sec- Defective feed switch 1. Run maintenance item U031 and turn feed switch 1 on and off tion is indicated dur- manually.
Page 174 Problem Causes/check procedures Corrective measures (28) Defective exit switch. Run maintenance item U031 and turn the exit switch on and off A paper jam in the manually. Replace the exit switch if indication of the correspond- fuser section is indi- ing sensor on the touch panel is not displayed in reverse.
Page 175 Problem Causes/check procedures Corrective measures (33) Defective switchback exit Run maintenance item U031 and turn the switchback exit switch A paper jam in the switch. on and off manually. Replace the switchback exit switch if indica- duplex section is indi- tion of the corresponding sensor on the touch panel is not dis- cated during copying played in reverse.
Page 176 Problem Causes/check procedures Corrective measures (37) Defective original feed Run maintenance item U244 and turn the original feed switch on An original jams in switch. and off manually. Replace the switch if indication of the corre- the optional DP is sponding switch on the touch panel is not displayed in reverse.
Page 177 Problem Causes/check procedures Corrective measures (44) The paper entry roller is Check and, if it is dirty, clean it. A paper jam in the dirty with paper powder. optional document The paper entry roller is Check and, if it is deformed or worn, fix or replace it. finisher is indicated deformed or worn.
Page 178 Problem Causes/check procedures Corrective measures (49) The eject roller is dirty with Check and, if it is dirty, clean it. A paper jam in the paper powder. optional document The eject roller is deformed Check and, if it is deformed or worn, fix or replace it. finisher is indicated or worn.
Page 179 Problem Causes/check procedures Corrective measures (55) The paper forwarding pul- Check and, if it is dirty, clean it. A paper jam in the ley, upper or lower forward- optional document ing roller is dirty with paper finisher is indicated powder. during copying (jam The paper forwarding pul- Check and, if it is deformed or worn, fix or replace it.
Page 180: Self-Diagnosis
1-5-2 Self-diagnosis (1) Self-diagnostic function This unit is equipped with a self-diagnostic function. When a problem is detected, copying is disabled and the problem dis- played as a code consisting of C followed by a number between 0060 and 9080, indicating the nature of the problem. A message is also displayed requesting the user to call for service.
Page 181 Partial operation control If any of the following calls for service is detected, partial operation control will be activated. After taking measures against the cause of trouble, run maintenance item U906 to reset partial operation control. Code Contents C0250 Network scanner board* communication problem C0410 DP communication problem C0420...
Page 182: Self Diagnostic Codes
(2) Self diagnostic codes *The option equipment. Remarks Code Contents Causes Check procedures/corrective measures C0060 Main PWB type mismatch error Poor contact in the Check the connection of connector YC26 on connector termi- the main PWB and relay board, and the con- nals.
Page 183 Remarks Code Contents Causes Check procedures/corrective measures C0210 CPU communication problem Defective main Replace the main PWB. • Synchronization cannot be taken PWB. between the main CPU and engine Poor contact in the Check the connection of the main PWB and CPU.
Page 184 Remarks Code Contents Causes Check procedures/corrective measures C0420 Side feeder* communication error Poor contact in the Check the connection of connector YC15 on • Reception is not normally completed connector termi- the engine PWB and the connector YC3 on even after 40 times of retry at startup nals.
Page 185 Remarks Code Contents Causes Check procedures/corrective measures C0630 DMA problem Defective main Replace the main PWB and check for cor- • DMA transmission of compressed, PWB. rect operation. decompressed, rotated, relocated or blanked-out image data does not com- plete within the specified period of time.
Page 186: Gear
Remarks Code Contents Causes Check procedures/corrective measures C1010 Lift motor 1 error Broken gears or Replace lift motor 1. • When cassette 1 is inserted, lift limit couplings of lift switch 1 does not turn on within 33 s of motor 1.
Page 187 Remarks Code Contents Causes Check procedures/corrective measures C1040 Lift motor 4 error Broken gears or Replace lift motor 4. • When cassette 4 is inserted, lift limit couplings of lift switch 4 does not turn on within 33 s of motor 4.
Page 188 Remarks Code Contents Causes Check procedures/corrective measures C2100 Developing motor error Poor contact in the Reinsert the connector. Also check for conti- • LOCK signal remains high for 1 s, 1 s developing motor nuity within the connector cable. If none, after the developing motor has turned connector termi- remedy or replace the cable.
Page 189 Remarks Code Contents Causes Check procedures/corrective measures C3100 Scanner carriage problem Defective scanner Replace the scanner PWB and check for • The home position is not correct when PWB. correct operation. the power is turned on or at the start of Defective scanner Replace the scanner home position switch.
Page 190 Remarks Code Contents Causes Check procedures/corrective measures C3310 Optical system (AGC) problem (DP) Defective DP main Replace the DP main PWB and check for • After AGC, correct input is not PWB. correct operation. obtained at CIS. CIS output prob- Replace CIS (see page 1-6-87).
Page 191 Remarks Code Contents Causes Check procedures/corrective measures C4110 BD initialization (B) problem Defective laser Replace the laser scanner unit (see page 1- • When power is turned on, only laser B scanner unit. 6-42). is output and ASIC of main PWB Defective main Replace the main PWB and check for cor- detects a BD error for 2000 ms.
Page 192 Remarks Code Contents Causes Check procedures/corrective measures C5600 Drum surface potential problem 1 Deteriorated main Check the main charger wire and replace it if • Maximizing the grid output cannot set charger. necessary (see page 1-6-33). the potential. Grid or main Clean the grid or main charger shield if nec- charger shield is essary.
Page 193 Remarks Code Contents Causes Check procedures/corrective measures C6050 Fuser thermistor abnormal tempera- Installation defec- Check the mounting state of the fuser ther- ture detection tiveness on fuser mistor M and S. If any problem is found, • During copying, the temperature at the thermistor M and repair it.
Page 194 Remarks Code Contents Causes Check procedures/corrective measures C7810 Short-circuited external thermistor Poor contact in the Check the connection of connector YC13 on • The thermistor input value is 0.5 V or connector termi- the engine PWB and the continuity across less.
Page 195 Remarks Code Contents Causes Check procedures/corrective measures C8040 Document finisher* lower paper con- Phase shift of the Correct the phase of the lower paper con- veying belt problem lower paper con- veying belt and check for correct operation. • During initialization, the intermediate veying belt.
Page 196 Remarks Code Contents Causes Check procedures/corrective measures C8150 Document finisher* multi job tray Loose connection Reinsert the connector. Also check for conti- problem of the multi job tray nuity within the connector cable. If none, • When the multi job tray is not detected elevation motor remedy or replace the cable.
Page 197 Remarks Code Contents Causes Check procedures/corrective measures C8180 Document finisher* rear upper side Loose connection Reinsert the connector. Also check for conti- registration guide problem of the rear upper nuity within the connector cable. If none, • During initialization, the rear upper side registration remedy or replace the cable.
Page 198 Remarks Code Contents Causes Check procedures/corrective measures C8210 Document finisher* front stapler prob- Loose connection Reinsert the connector. Also check for conti- of the front stapler nuity within the connector cable. If none, • During initialization, the front stapler is motor connector.
Page 199 Remarks Code Contents Causes Check procedures/corrective measures C8240 Document finisher* rear clincher Loose connection Reinsert the connector. Also check for conti- problem of the rear clincher nuity within the connector cable. If none, • During initialization, the rear clincher is motor connector.
Page 200 Remarks Code Contents Causes Check procedures/corrective measures C8320 Document finisher* centerfold unit Loose connection Reinsert the connector. Also check for conti- centering plate problem of the centering nuity within the connector cable. If none, • During initialization, the centering plate plate motor con- remedy or replace the cable.
Page 201 Remarks Code Contents Causes Check procedures/corrective measures C9050 DP lift motor going down error Loose connection Reinsert the connector. Also check for conti- of the DP lift motor nuity within the connector cable. If none, connector. remedy or replace the cable. Malfunction of the Replace the DP lift motor and check for cor- DP lift motor.
Page 202: Image Formation Problems
1-5-3 Image formation problems (1) No image (2) No image (3) Image is too (4) Background is (5) A white line appears appears light. visible. appears longitu- (entirely white). (entirely black). dinally. See page 1-5-48 See page 1-5-49 See page 1-5-50 See page 1-5-51 See page 1-5-51 (6) A black line...
Page 203 (21) There is a regu- lar error between the leading edges of the original and copy image when the DP is used. See page 1-5-56 1-5-47 Y104350-7 Sevice Manual...
Page 204 (1) No image appears Causes (entirely white). 1. No transfer charging. 2. No LSU laser is output. 3. No developing bias is output. Causes Check procedures/corrective measures 1. No transfer charging. A. The connector terminals of the transfer Reinsert the connector. Also check for continuity within the connector high voltage PWB make poor contact.
Page 205: No Image Appears (Entirely Black)
(2) No image appears Causes (entirely black). 1. No main charging. 2. Exposure lamp fails to light. 3. CIS fails to light. 4. The laser of laser scanner unit has lit up all. Causes Check procedures/corrective measures 1. No main charging. A.
Page 206: Image Is Too Light
(3) Image is too light. Causes 1. Insufficient toner. 2. Deteriorated toner. 3. The transfer voltage is not output properly. 4. Defective developing bias output. 5. Surface potential is high. Causes Check procedures/corrective measures 1. Insufficient toner. If the display shows the message requesting toner replenishment, replace the toner container.
Page 207: Background Is Visible
(4) Background is visible. Causes 1. Deteriorated toner. 2. Dirty main charger wire. Causes Check procedures/corrective measures 1. Deteriorated toner. Perform the drum refresh operation (see page 1-4-84). 2. Dirty main charger wire. Clean the wire or, if it is extremely dirty, replace it. (5) A white line appears Causes longitudinally.
Page 208: A Black Line Appears Laterally
(7) A black line appears laterally. Causes 1. Flawed drum. 2. Dirty developing section. 3. Leaking main charger housing. 4. Contact failure of developing bias terminal. Causes Check procedures/corrective measures 1. Flawed drum. Replace the drum (see page 1-6-56). 2. Dirty developing section. Clean any part contaminated with toner in the developing section.
Page 209: Image Is Blurred
(10) Image is blurred. Causes 1. Scanner moves erratically. 2. Deformed press roller. 3. Paper conveying section drive problem. Causes Check procedures/corrective measures 1. Scanner moves erratically. Check if there is any foreign matter on the front and rear scanner rails. If any, remove it.
Page 210: Paper Creases
(13) Paper creases. Causes 1. Paper curled. 2. Paper damp. 3. Defective pressure nuts. 4. Defective separation. Causes Check procedures/corrective measures 1. Paper curled. Check the paper storage conditions. 2. Paper damp. Check the paper storage conditions. 3. Defective pressure nuts. Tighten the fuser pressure nuts.
Page 211: Fusing Is Poor
(16) Fusing is poor. Causes 1. Wrong paper. 2. Defective pressure nuts. 3. Flawed heat roller or press roller. 4. Defective fuser heater. Causes Check procedures/corrective measures 1. Wrong paper. Check if the paper meets specifications. Also check if the specifying the paper type of machine default is proper (see page 1-4-80).
Page 212: Image Is Not Square
(19) Image is not square. Causes 1. Laser scanner unit positioned incorrectly. 2. Image scanning unit positioned incorrectly. Causes Check procedures/corrective measures 1. Laser scanner unit positioned incorrectly. Adjust the installation position of the laser scanner unit (see page 1-6-49). 2.
Page 213: Electric Problems
1-5-4 Electric problems Copier Problem Causes Check procedures/corrective measures No electricity at the power Measure the input voltage. The machine does outlet. not operate when the The power cord is not Check the contact between the power plug and the outlet. main power switch is plugged in properly.
Page 214 Problem Causes Check procedures/corrective measures Poor contact in the transfer Reinsert the connector. Also check for continuity within the con- The transfer motor motor connector terminals. nector cable. If none, remedy or replace the cable. does not operate Broken transfer motor gear. Check visually and replace the transfer motor if necessary.
Page 215 Problem Causes Check procedures/corrective measures Poor contact in paper feed Reinsert the connector. Also check for continuity within the con- Paper feed motor 4 motor 4 connector termi- nector cable. If none, remedy or replace the cable. does not operate. nals.
Page 216 Problem Causes Check procedures/corrective measures (13) Poor contact in the registra- Reinsert the connector. Also check for continuity within the con- The registration tion motor connector termi- nector cable. If none, remedy or replace the cable. motor does not oper- nals.
Page 217 Problem Causes Check procedures/corrective measures (23) Poor contact in the duplex Reinsert the connector. Also check for continuity within the con- The duplex side reg- side registration motor con- nector cable. If none, remedy or replace the cable. istration motor does nector terminals.
Page 218: Cooling Fan Motor 1 Or 2 Does Not Operate
Problem Causes Check procedures/corrective measures (27) Broken cooling fan motor 3 Check for continuity across the coil. If none, replace cooling fan Cooling fan motor 3 coil. motor 3. does not operate. Poor contact in cooling fan Reinsert the connector. Also check for continuity within the con- motor 3 connector termi- nector cable.
Page 219 Problem Causes Check procedures/corrective measures (32) Defective developing fan Run maintenance item U037 and check if developing fan motor 2 Developing fan motor motor 2. operates when YC2-11 on the fan motors drive PWB goes low. If 1 or 2 does not oper- not, replace developing fan motor 2.
Page 220 Problem Causes Check procedures/corrective measures (37) Broken feedshift fan motor Check for continuity across the coil. If none, replace the feedshift The feedshift fan coil. fan motor. motor does not oper- Poor contact in feedshift fan Reinsert the connector. Also check for continuity within the con- ate.
Page 221 Problem Causes Check procedures/corrective measures (43) Broken duplex feedshift Check for continuity across the coil. If none, replace the duplex The duplex feedshift solenoid coil. feedshift solenoid. solenoid does not Poor contact in the duplex Reinsert the connector. Also check for continuity within the con- operate.
Page 222 Problem Causes Check procedures/corrective measures (51) Defective engine PWB. See 1-5-48. No developing bias is Defective high voltage output. PWB. Poor installation of high voltage PWB. (52) Faulty connection of con- See 1-5-48. No transfer bias is nector of transfer high volt- output.
Page 223 Problem Causes Check procedures/corrective measures (60) Poor contact in the MP Reinsert the connector. Also check for continuity within the con- The message paper empty switch connec- nector cable. If none, remedy or replace the cable. requesting paper to tor terminals. be loaded is shown Defective MP paper empty Check if YC5-A5 on the deck PWB goes low when the MP paper...
Page 224 Problem Causes Check procedures/corrective measures (64) A piece of paper torn from Check and remove if any. A paper jam in the copy paper is caught paper feed, paper around feed switches, deck conveying or fuser conveying switches, regis- section is indicated tration switch or exit switch.
Page 225 Problem Causes Check procedures/corrective measures Poor contact in the original Reinsert the connector. Also check for continuity within the con- The original feed feed motor connector termi- nector cable. If none, remedy or replace the cable. motor does not oper- nals.
Page 226 Problem Causes Check procedures/corrective measures Poor contact in the CIS con- Reinsert the connector. Also check for continuity within the con- The CIS does not nector terminals. nector cable. If none, remedy or replace the cable. turn on. Defective DP inverter PWB. Run maintenance item U061 and check if the CIS turns on when the connector on the DP inverter PWB goes low.
Page 227 Problem Causes Check procedures/corrective measures (10) A piece of paper torn from Remove any found. An original jams an original is caught around when the main power the original feed switch. switch is turned on. Defective original feed Run maintenance item U244 and turn the original feed switch on switch.
Page 228: Mechanical Problems
1-5-5 Mechanical problems Copier Problem Causes/check procedures Corrective measures Check if the surfaces of the following pulleys Clean with isopropyl alcohol. No primary paper feed. are dirty with paper powder: paper feed pul- ley, forwarding pulley, separation pulley, MP paper feed pulley, MP forwarding pulley and MP separation pulley.
Page 229 Problem Causes/check procedures Corrective measures Check if the pulleys, rollers and gears operate Grease the bearings and gears. Abnormal noise is heard. smoothly. Check if the following motors are installed Check visually and remedy if necessary. correctly: paper feed motor 1, paper feed motor 2, paper feed motor 3, paper feed motor 4 and MP feed motor.
Page 230 Problem Causes/check procedures Corrective measures The surfaces of the DP forwarding pulleys or Check and clean them with isopropyl alcohol No primary original feed. DP feed belts are dirty with paper powder. if they are dirty. Check if the DP forwarding pulley is Check visually and replace any deformed deformed.
Page 231: Precautions For Assembly And Disassembly
1-6 Assembly and Disassembly 1-6-1 Precautions for assembly and disassembly (1) Precautions Before starting disassembly, press the Power key on the operation panel to off. Make sure that the Power lamp is off before turning off the main power switch. And then unplug the power cable from the wall outlet. Turning off the main power switch before pressing the Power key to off may cause damage to the equipped hard disk.
Page 232 (2) Running a maintenance item Start Enter 10871087 using Maintenance mode is entered. the numeric keys. Enter the maintenance item number using the cursor up/down keys The maintenance item is or numeric keys. selected. Press the start key. The selected maintenance item is run. Press the stop/clear key.
Page 233: Figure 1
1-6-2 Paper feed section (1) Detaching and refitting the paper feed pulley, forwarding pulley and separation pulley of cassette 1 and 2 Follow the procedure below to clean or replace the paper feed pulley, forwarding pulley or separation pulley of cassette 1 and 2.
Page 234 Detaching the paper feed pulley and forwarding pulley of cassette 1 6. Remove connector, band and two stop rings, and then open the primary paper feed unit of cassette 1. Stop ring Connector Primary paper feed unit Band of cassette 1 Stop ring Figure 1-6-3 7.
Page 235: Gear
10. Release the hook of the paper feed pulley unit and push down the unit in the direction of the arrow. 11. Remove the paper feed pulley unit from the primary paper feed unit of cassette 1. Primary paper feed unit of cassette 1 Hook Paper feed...
Page 236 15. Clean or replace the paper feed pulley and forwarding pulley, and refit the pulleys to the paper feed pulley unit. * When replacing the paper feed pulley, make sure that the one-way clutch of both the pul- ley and the gear is placed toward the rear side of the machine.
Page 237 18. Clean or replace the separation pulley and then reattach the pulley to the separation Projection pulley unit. * When replacing the separation pulley, make sure that the projection of the torque limiter fits in the separation pulley groove. 19. Refit the separation pulley unit to the deck conveying unit.
Page 238 Detaching the paper feed pulley and forwarding pulley of cassette 2 23. Remove the stop ring and slide the joint in the direction of the arrow. 24. Remove two stop rings and open the pri- mary paper feed unit of cassette 2. Stop ring Stop ring Stop ring...
Page 239 Removing the separation pulley of cassette 2 28. Remove the separation pulley unit from the Primary paper feed unit primary paper feed unit of cassette 2. of cassette 2 Separation pulley unit Figure 1-6-17 29. Remove the separation pulley from the sep- aration pulley unit, and then clean or replace the pulley (see page 1-6-6).
Page 240 (2) Detaching and refitting the paper feed pulley, forwarding pulley and separation pulley of cassette 3 and 4 Follow the procedure below to clean or replace the paper feed pulley, forwarding pulley or separation pulley of cassette 3 and 4. Explanation of an detaching and refitting procedure is given only a cassette 3 since cassettes 3 and 4 are the same feed units.
Page 241 5. Remove the stop ring and slide the joint in Stop ring the direction of the arrow. Stop ring 6. Remove each stop ring of the primary paper feed unit front and rear and open the unit in the direction of the arrow. Joint Stop ring Primary paper...
Page 242 9. Remove two stop rings and bushes, and Bush then pull out the paper feed pulley shaft. 10. Remove the paper feed pulley and paper Paper feed pulley unit feed pulley gear from the paper feed pulley unit. Stop ring Paper feed pulley shaft Bush...
Page 243 Detaching the separation pulley 13. Remove the separation pulley unit from the primary paper feed unit. Primary paper feed unit Separation pulley unit Figure 1-6-27 Stop ring 14. Remove the bush and stop ring from the separation pulley unit, and then remove the separation pulley.
Page 244 (3) Pressure adjustment of separation pulley Perform the following adjustment if no paper feed or multiple sheets of paper occurs for feeding from the cassette. Procedure Start Select the cassette Refit the deck conveying unit or to be adjusted. primary paper feed unit. Press the start key and make a test copy.
Page 245 (4) Adjusting the center line for cassette 1 or 2 Perform the following adjustment if there is a regular error between the center lines of the copy image and original when the paper is fed from cassette 1 or 2. Caution After performing the following adjustment, adjust the position of the damper (see page 1-6-16).
Page 246 Adjusting position of the damper Procedure When removing cassette 1 or 2 backwards; Pull and rotate the damper clockwise for the removed levels. When removing cassette 1 or 2 forwards; Pull and rotate the damper counter-clockwise for the removed levels. The damper is adjustable to 2-level in both clockwise and counter-clockwise directions.
Page 247 (5) Detaching and refitting the MP unit Procedure 1. Remove the screw and then remove the MP tray developing fan cover. 2. Open the MP tray. Developing fan cover Figure 1-6-34 3. Remove the two pins and then remove the lower right rear cover.
Page 248 5. Remove the connector and then remove the MP tray. Connector MP tray Figure 1-6-37 6. Remove the connector and two screws and then remove the MP unit. Connector MP unit Figure 1-6-38 1-6-18 Service Manual Y104350-7...
Page 249 (6) Detaching and refitting the MP paper feed pulley, MP forwarding pulley and MP separation pulley Follow the procedure below to clean or replace the MP paper feed pulley, MP forwarding pulley and MP separation pulley. Procedure Projection 1. Remove the MP unit (see page 1-6-17). Upper MP unit 2.
Page 250 6. Release the MP solenoid lever in the direc- Stop ring tion of the arrow. Remove the stop ring and slide the joint in the direction of the arrow. MP solenoid lever Joint Figure 1-6-41 7. Remove two stop rings and bushes, and then remove the MP paper feed pulley unit from the upper MP unit.
Page 251 8. Remove the stop ring and two bushes MP paper from the MP paper feed pulley unit and pull feed pulley out the MP paper feed pulley shaft. 9. Remove the MP paper feed pulley and MP MP paper feed MP paper feed pulley shaft paper feed pulley gear from the MP paper...
Page 252 Removing the MP separation pulley 13. Remove two springs from the lower MP unit. 14. Remove the MP separation pulley unit from the lower MP unit. 15. Remove two stoppers, bush and stop ring from the MP separation pulley unit, and then remove the MP separation pulley.
Page 253 17. Refit he MP separation pulley unit to the lower MP unit. Refit the stoppers to the center grooves. Stopper Stopper Center groove Center groove Figure 1-6-48 18. Refit the MP paper feed pulley unit to the upper MP unit. 19.
Page 254 (7) Pressure adjustment of MP separation pulley Perform the following adjustment if no paper feed or multiple sheets of paper occurs for feeding from the MP tray. Procedure Start Select the MP tray for Refit two springs and then paper feeding. refit the MP unit.
Page 255 (8) Adjustment after roller and motor replacement Perform the following adjustment after refitting rollers and motors. (8-1) Adjusting the leading edge registration of image printing Make the following adjustment if there is a regular error between the leading edges of the copy image and original. Front (CCD adjustment) U402 U066...
Page 256 (8-2) Adjusting the leading edge registration for duplex switchback copying Make the following adjustment if there is a regular error between the leading edge of the copy image on the front face and that on the reverse face during duplex switchback copying. U402 U053 U034...
Page 257 (8-3)Adjusting the center line of image printing Make the following adjustment if there is a regular error between the center lines of the copy image and original. Front (CCD adjustment) U402 U067 U403 U072 U404 U034 (P. 1-6-28) (P. 1-6-53) (P.
Page 258 (8-4) Adjusting the margins for printing Make the following adjustment if the margins are not correct. U403 U404 U402 (P. 1-6-55) (P. 1-6-95) <Caution> Check the copy image after the adjustment. If the margins are still incorrect, perform the above adjustments in mainte- nance mode.
Page 259 (8-5) Adjusting the amount of slack in the paper Make the following adjustment if the leading edge of the copy image is missing or varies randomly, or if the copy paper is Z-folded. <Procedure> Original Copy Copy example 1 example 2 Figure 1-6-55 Start Touch panel display...
Page 260 (8-6) Adjusting the amount of slack in the paper at the vertical conveying Make the following adjustment if the leading edge of the copy image is missing or varies randomly, or if the copy paper is Z-folded. <Procedure> Start Enter maintenance mode. Original Copy Copy...
Page 261 1-6-3 Main charging section (1) Detaching and refitting the main charger unit Procedure 1. Open front cover and turn the lever A2 to the left. 2. Remove the toner container. 3. Remove two screws and then pull out the image formation unit. Image formation unit Figure 1-6-57 4.
Page 262 (2) Detaching and refitting the main charger grid Follow the procedure below to clean or replace the main charger grid. Procedure 1. Remove the main charger unit (see page 1- Main charger grid 6-31). 2. Remove the screw and then remove the main charger grid.
Page 263 (4) Detaching and refitting the main charger wire Follow the procedure below when the charger wire is broken or to be replaced. Caution Use the specified tungsten wire for the charger wire. The part of the wire wrapped around the charger spring must not protrude from the charger housing. The cut end of the charger wire must not protrude more than 2 mm from under the charger wire retainer pin.
Page 264: Optical Section
1-6-4 Optical section (1) Detaching and refitting the exposure lamp Follow the procedure below to replace the exposure lamp. Fitting requires following parts Band Procedure 1. Remove two screws of hinge retainer at the rear side of the left hinge and then remove the retainer from DP.
Page 265 6. Remove the connector and band inside the scanner unit. * Cut out the band using nippers. Connector Band Figure 1-6-66 7. Release the inserted parts of wire guide and then remove the guide from the mirror 1 frame. 8. Remove two screws holding the exposure lamp and then remove the lamp.
Page 266 12. Reattach the wire guide to mirror 1 frame. Connector Wire the electric wire from the exposure Wire guide lamp along the wire guide. (1) * Be sure that the electric wire along the wire Wire of guide is well-strained. the exposure lamp 13.
Page 267 (2) Detaching and refitting the scanner wires Take the following procedure when the scanner wires are broken or to be replaced. (2-1)Detaching the scanner wires Procedure 1. Remove three screws and slide the upper left cover to machine rear. Remove the upper left cover. Upper left cover Figure 1-6-71 2.
Page 268 7. Release the inserted part of the operation unit upper cover and then remove the cover. Inserted parts Operation unit upper cover Figure 1-6-74 8. Remove each screw, and then remove the slit holder plate and slit glass. Slit holder Slit glass plate Slit holder...
Page 269 10. Remove the mirror 1 frame from the scanner Hole unit, passing the lever of mirror 1 frame rear through the hole of the scanner unit rear frame. Lever Mirror 1 frame Figure 1-6-77 11. Remove the round terminals of the scanner Round terminals wire in the scanner unit left side from the scanner wire spring.
Page 270 3. Hook the round terminals onto the catches on the inside of the scanner unit. (1) 4. Loop the scanner wires around the outer grooves in the pulleys on the mirror 2 frame, winding from below to above. 5. Loop the scanner wires around the grooves in the pulleys at the scanner unit right, winding from above to below. (3) 6.
Page 271 14. Remove the scanner wire stoppers. 15. Remove two screws from each of the frame Frame securing tools securing tools and then the tools. 16. Focusing on the locating ball of the wire drum, move aside the wires to inside. 17.
Page 272 (3) Detaching the laser scanner unit Follow the procedure below to replace the laser scanner unit. Procedure 1. Remove the hinge retainer and open DP until it becomes perpendicular (see page 1- 6-34). 2. Remove the left upper cover, right upper cover and contact glass (see page 1-6-34).
Page 273 8. Remove two connectors of the machine left. Connectors Figure 1-6-85 9. Remove four screws holding the laser scan- ner unit from holes inside the laser scanner Holes unit. Holes Figure 1-6-86 10. Raise the laser scanner unit and release two inserted parts.
Page 274 11. Replace the laser scanner unit and attach the unit. * When attaching the laser scanner unit, check that two projections of the unit are inserted to the holes of inside the machine. Hole Hole Laser scanner unit Projection Projection Figure 1-6-88 12.
Page 275 18. Connect the power cord and turn the main power switch on. 19. Enter the maintenance mode. 20. Run the maintenance item U472 to enter the numerical value indicated by the LSU cover. 1-6-45 Y104350-7 Sevice Manual...
Page 276 (4) Detaching and refitting the ISU (reference) Follow the procedure below to check or replace the ISU. Caution After replacing the ISU, perform (6-2) Adjusting the position of the ISU (see page 1-6-50). Fitting requires the following tools Two positions pins Procedure 1.
Page 277 6. Check or replace the ISU. Positioning pins 7. Position ISU at the frame hole number as same as the number indicated on the lens of ISU image scanning unit and insert two positioning pins to the holes. * Example: When 7 is indicated on the lens, position ISU at the positioning hole 7 indi- cated on the scanner unit, and inset two positioning pins.
Page 278 (5) Adjusting the longitudinal squareness (reference) Perform the following adjustment if the copy image is longitudinally skewed (longitudinal squareness is not obtained). Caution: Adjust the amount of slack in the paper at the registration roller first (see page 1-6-29). Check for the longitudinal square- ness of the copy image, and if it is not obtained, perform the longitudinal squareness adjustment.
Page 279 (6) Adjusting scanner image lateral squareness (reference) Perform the following adjustment if the copy image is laterally skewed (lateral squareness not obtained). Caution: Perform (6-1) Adjusting the position of the laser scanner unit first and check for lateral squareness of the copy image. If squareness is not obtained, perform (6-2) Adjusting the position of ISU (see page 1-6-50).
Page 280 (6-2)Adjusting the position of the ISU Perform the following adjustment if the leading and trailing edges of the copy image are laterally skewed (lateral square- ness not obtained). Caution: Before making the following adjustment, output a 1 dot LINE PG pattern in maintenance item U089 to use as the original for the adjustment.
Page 281 (7) Adjusting magnification of the scanner in the main scanning direction Perform the following adjustment if the magnification in the main scanning direction is not correct. U066 U070 U403 U065 (P. 1-6-54) (P. 1-6-91) (P. 1-6-55) <Caution> Check the copy image after the adjustment. If the image is still incorrect, perform the above adjustments in maintenance mode.
Page 282 (8) Adjusting magnification of the scanner in the auxiliary scanning direction Perform the following adjustment if the magnification in the auxiliary scanning direction is not correct. U053 U034 U402 U066 U065 (P. 1-4-16) (P. 1-6-25) (P. 1-6-28) (P. 1-6-54) Front (CCD adjustment) U403 U070 U071...
Page 283 (9) Adjusting the scanner center line Perform the following adjustment if there is a regular error between the center lines of the copy image and original. Front (CCD adjustment) U034 U402 U403 U072 U404 U067 (P. 1-6-27) (P. 1-6-28) (P. 1-6-55) (P.
Page 284 (10) Adjusting the scanner leading edge registration Perform the following adjustment if there is regular error between the leading edges of the copy image and original. Front (CCD adjustment) U034 U402 U403 U071 U404 U066 (P. 1-6-25) (P. 1-6-28) (P. 1-6-55) (P.
Page 285 (11) Adjusting the margins for scanning an original on the contact glass Perform the following adjustment if the margins are not correct. U402 U404 U403 (P. 1-6-28) (P. 1-6-95) <Caution> Before making the following adjustment, ensure that the above adjustments have been made in maintenance mode. <Procedure>...
Page 286: Drum Section
1-6-5 Drum section (1) Detaching and refitting the drum Follow the procedure below to clean or replace the drum. Cautions: Avoid direct sunlight and strong light when detaching and refitting the drum. Hold the drum at the ends and never touch the drum surface. After removing the drum, keep it in the drum case or storage bag to protect the surface from light.
Page 287 (2) Detaching and refitting the drum heater Follow the procedure below to replace the drum. Procedure 1. Remove the drum (see page 1-6-56). 2. Remove two screws and then remove the front drum flange from the drum. 3. Remove two connectors connected to the inner side in the front drum flange.
Page 288 5. Pull out the drum stay from the drum. 6. Remove the drum heater from the drum. Drum Drum stay Drum heater Figure 1-6-108 7. Replace the drum. 8. Insert the drum heater to the drum. 9. Refit the drum stay to the drum. 10.
Page 289 (3) Detaching and refitting the drum heater electrode Follow the procedure below to replace the drum heater electrode. Procedure 1. Open the front cover. Turn lever A2 to left. 2. Remove the screw and then remove the cover. 3. Remove the connector. Connector Cover Figure 1-6-108-1...
Page 290 1-6-6 Developing section (1) Detaching and refitting the developing unit Procedure 1. Open front cover and then remove the toner container. 2. Remove two screws and pull out the image formation unit. 3. Remove the connector and release the lock stay as shown in the figure.
Page 291: Transfer Section
1-6-7 Transfer section (1) Detaching and refitting the transfer unit Procedure 1. Open the front cover and pull out the paper conveying unit. Rear transfer guide 2. Remove the screw and then remove the rear transfer guide. Figure 1-6-113 3. Remove the stop ring and bush of the paper conveying unit front.
Page 292 5. Remove the connector and band of the paper conveying unit front. Band Connector Figure 1-6-115 6. After sliding the transfer unit to end and pull- ing out the front shaft from the frame, pull Transfer unit out the rear coupling from the hole of the frame as shown in the figure, and remove the transfer unit from the paper conveying unit.
Page 293 (2) Detaching and refitting the transfer belt Follow the procedure below to replace the transfer belt. Caution: When handling the transfer belt, hold the both end of the transfer belt (within 10 mm), never touch the surface with bare hand. Be careful not so as to adhere grease on the surface of the transfer belt.
Page 294 5. Remove the transfer belt from the transfer unit. Transfer unit Transfer belt Figure 1-6-119 6. Replace the transfer belt and attach the belt to the transfer unit. * After installing the transfer belt, rotate the transfer belt roller 2 or 3 times, it turns, and check that the belt does not been stranded to the belt holder front and rear.
Page 295 (3) Detaching and refitting the transfer roller Follow the procedure below to replace the transfer roller. Procedure 1. Remove the transfer unit (see page 1-6-61). 2. Remove the transfer belt (see page 1-6-63). 3. Remove the screw of the transfer unit rear and then remove the terminal, spring and pin.
Page 296: Cleaning Section
1-6-8 Cleaning section (1) Detaching and refitting the cleaning unit Procedure 1. Open front cover and then remove the toner container. 2. Remove two screws and pull out the image formation unit. 3. Remove the connector of the image forma- tion unit left.
Page 297 (2) Detaching and refitting the cleaning blade Follow the procedure below to replace the cleaning blade. Procedure 1. Remove the cleaning unit (see page 1-6- Upper cleaning cover 66). 2. Release two claws and then remove the upper cleaning cover from the cleaning unit. Claw Claw Cleaning unit...
Page 298 1-6-9 Charge erasing section (1) Detaching and refitting the PTC unit Procedure 1. Open the front cover. Turn lever A2 to left. 2. Remove the inner cover (see page 1-6-59). 3. Remove the connector and pull out the PTC unit. Connector PTC unit Figure 1-6-129...
Page 299 (3) Detaching and refitting the PTC wire Follow the procedure below when the charger wire is broken or to be replaced. Precautions Use the specified tungsten wire for the PTC wire. The part of the wire wrapped around the charger spring must not protrude from the PTC housing. The cut end of the PTC wire must not protrude more than 2 mm from under the charger pin.
Page 300 1-6-10 Fuser section (1) Detaching and refitting the fuser unit Procedure 1. Open the front cover and pull out the paper conveying unit. 2. Remove the rear transfer guide. 3. Remove the screw from the paper convey- ing unit front, and then remove the fuser unit retainer.
Page 301 (2) Detaching and refitting the lower cleaning roller Follow the procedure below to check or replace the lower cleaning roller. Procedure 1. Remove the fuser unit (see page 1-6-70). Fuser unit 2. Remove two screws and then remove the lower cleaning roller unit from the fuser unit. Lower cleaning roller unit Figure 1-6-136...
Page 302 (3) Detaching and refitting the press roller Follow the procedure below to replace the press roller. Procedure 1. Remove the fuser unit (see page 1-6-70). 2. Remove the lower cleaning roller unit (see Fuser unit page 1-6-71). 3. Turn the nuts of the fuser unit front and rear with the box end wrench and release the fuser pressure.
Page 303 (4) Detaching and refitting the cleaning felt Follow the procedure below to replace the cleaning felt. Procedure 1. Remove the fuser unit (see page 1-6-70). 2. Remove rear pin and front screw, and then Upper fuser cover remove the upper fuser cover. Screw Fuser unit Figure 1-6-140...
Page 304 5. Remove the right roller of the cleaning felt from the upper fuser frame pushing the roller on machine front. 6. Remove the left roller of the cleaning felt Upper fuser frame from the upper fuser frame pushing the roller on machine front. 7.
Page 305 (5) Detaching and refitting the fuser thermostat Follow the procedure below to check or replace the fuser thermostat. Caution Use the specified thermostat for replacement. Procedure 1. Remove the fuser unit (see page 1-6-70). Fuser thermostat 2. Remove the upper fuser cover (see page 1- 6-72).
Page 306 (7) Detaching and refitting the fuser heater M, S and L Follow the procedure below to check or replace the fuser heater M, S and L. Procedure 1. Remove the fuser unit (see page 1-6-70). 2. Remove the upper fuser cover and upper Fuser unit fuser frame (see page 1-6-72).
Page 307 Detaching the fuser heater M, S and L individually * When removing the heaters simultaneously, see step 9. 6. Remove each screw of fuser heater M, S Fuser heater L and L. Fuser heater M Fuser heater S Figure 1-6-149 7.
Page 308 10. Remove two screws from the rear fuser housing. 11. Pull out the fuser heater M, S and L from the fuser unit rear with the rear fuser housing. Rear fuser housing Figure 1-6-152 12. Check or replace the fuser heater M, S and L, and refit the heaters to the fuser unit.
Page 309 (8) Detaching and refitting the heat roller Follow the procedure below to replace the heat roller. Procedure 1. Remove the fuser unit (see page 1-6-70). 2. Release the fuser pressure. 3. Remove the fuser heater M, S and L with the rear fuser housing (see page 1-6-76).
Page 310 (9) Detaching and refitting the heat roller separation claws Follow the procedure below to replace the heat roller separation claws. Procedure 1. Open the eject section. 2. Remove the screw and then remove the metal fitting from the eject section. 3.
Page 311 6. Remove seven springs from the separation claws and then pull out the separation claws shaft from the eject guide. Springs 7. Replace the separation claws and attach the claws to the eject guide. 8. Refit the eject guide. Spring Eject guide Separation claws shaft...
Page 312 1-6-11 Document processor (DP) section (1) Detaching and refitting DP Procedure 1. Release two projections and remove the connector cover. Projection Connector cover Projection Figure 1-6-161 2. Remove two screws and then remove the Ground screw connector inner cover. 3. Remove two connectors and ground screw. Connector Connector Connector inner cover...
Page 313 4. Remove the pin of the left hinge and screw of the right hinge. * Note the graduation position of the right hinge. 5. Slide the DP to rear and release the hooks of the left and right hinge. Push up the DP and remove the DP from the machine.
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Page 315 (2) Detaching and refitting the DP original feed belt, DP forwarding pulley and DP separation roller Follow the procedure below to clean or replace the DP original feed belt, DP forwarding pulley and DP separation roller. Procedure 1. Open the document processor top cover. 2.
Page 316 Detaching the DP original feed belt and DP forwarding pulley 5. Remove the original feed belt unit from the inserted parts of the original feed pulley unit. Original feed pulley unit Original feed belt unit Figure 1-6-165 6. Remove the stop ring, pulley and DP origi- nal feed pulley, and then remove the original feed belt shaft from the original feed belt unit.
Page 317 8. Remove the stop ring and bush from the Original feed original feed pulley unit and pull out the for- pulley unit warding pulley shaft. 9. Remove the DP forwarding pulley from the original feed pulley unit. Forwarding pulley shaft Stop ring Bush DP forwarding pulley...
Page 318 13. Remove the stop ring and then remove the DP separation roller DP separation roller. 14. Clean or replace the DP separation roller and attach the roller. Stop ring * When replacing the DP separation roller, be careful that the projection of torque limiter is firmly into the groove of the DP separation roller.
Page 319 (3) Detaching and refitting CIS Follow the procedure below to clean or replace CIS. Procedure 1. Open the document processor top cover. Original switchback guide 2. Remove two screws and then remove the original switchback guide. Figure 1-6-171 3. Remove the screw. 4.
Page 320 5. Remove the CIS SHD PWB and flexible flat Flexible flat cable cable from CIS. CIS SHD PWB Figure 1-6-173 6. Remove the connector and two screws and pull out CIS from DP. Note the position of the graduation of the retainer.
Page 321 9. Insert the CIS to the DP. Flexible flat cable * Pass the flexible flat cable through between the roller and the frame as shown in the fig- ure. Figure 1-6-176 10. Connect other end of the flexible flat cable to the CIS SHD PWB.
Page 322 (4) Adjusting the tension of original feed belt Perform the following adjustment if no original feed or multiple sheets of original occurs for feeding from DP. Procedure Start Place the some original sheets on the DP. Refit the upper original cover and Press the start key and close the document processor cover.
Page 323 (5) Adjusting the DP magnification Adjust magnification in the auxiliary scanning direction if magnification is incorrect when the document processor is used. U053 U034 U402 U065 U066 (P. 1-4-16) (P. 1-6-25) (P. 1-6-28) (P. 1-6-51) (P. 1-6-54) Front (CCD adjustment) U403 U071 U404...
Page 324 (6) Adjusting the DP center line Perform the following adjustment if there is a regular error between the centers of the original and the copy image. Front (CCD adjustment) U034 U402 U067 U403 U404 U072 (P. 1-6-27) (P. 1-6-28) (P. 1-6-53) (P.
Page 325 (7) Adjusting the scanning start position when the DP is used Perform the following adjustment if there is a regular error between the leading or trailing edges of the original and the copy image. Front (CCD adjustment) U034 U402 U066 U403 U404 U071...
Page 326 (7-2)Adjusting the trailing edge registration <Procedure> Start Original Enter maintenance mode. Copy Copy Copy example 1 example 2 example 3 Figure 1-6-183 Enter 071 using the numeric keys and press the start key. Select the item to be adjusted Touch panel display on the touch panel.
Page 327 (8) Adjusting the margins for scanning the original from the DP Perform the following adjustment if margins are not correct. U402 U403 U404 (P. 1-6-28) (P. 1-6-55) <Caution> Before making the following adjustment, ensure that the above adjustments have been made in maintenance mode. <Procedure>...
Page 328 1-6-12 Others (1) Detaching and refitting the waste toner box Follow the procedure below to replace the waste toner box. Procedure 1. Remove the two pins and then remove the lower right rear cover. Pins Lower right rear cover Figure 1-6-185 2.
Page 329 (2) Detaching and refitting the developing rear fan filter Follow the procedure below to replace the developing rear fan filter. Procedure 1. Remove the screw and then remove the developing fan cover. Developing fan cover Figure 1-6-187 2. Remove the developing rear fan filter from Developing fan cover the developing fan cover.
Page 330 (4) Detaching and refitting the image formation fan filter Follow the procedure below to replace the image formation filter. Procedure 1. Remove the image formation fan cover while pushing the lever. Lever Image formation fan cover Figure 1-6-190 2. Remove the image formation fan filter from the image formation fan cover.
Page 331 (5) Detaching and refitting the front cover filters Follow the procedure below to replace the front cover filters. Procedure 1. Open the front cover. 2. Release three inserted parts of the duct Front cover inner cover and then remove the duct inner cover from the front cover.
Page 332 (6) Detaching and refitting the ozone filters Follow the procedure below to replace the ozone filters. Procedure 1. Remove each two screws and then remove the rear duct A and B. Rear duct A Rear duct B Figure 1-6-194 2. Remove ozone filter 1 from the rear duct A. Ozone filter 1 Rear duct A Figure 1-6-195...
Page 333 4. Remove ozone filter 3 from the machine rear side. 5. Replace ozone filter 1, 2 and 3, and then attach the filters. 6. Refit the rear duct A and B. Ozone filter 3 Figure 1-6-197 1-6-101 Y104350-7 Sevice Manual...
Page 334: Upgrading The Firmware
1-7 Requirements on PWB Replacement 1-7-1 Upgrading the firmware Follow the procedure below to upgrade the firmware on the main PWB and engine PWB. Firmware upgrading requires the following tools: Compact Flash (Products manufactured by SANDISK are recommended.) NOTE When writing data to a new Compact Flash from a computer, be sure to format it in advance. Procedure 1.
Page 335 1-7-2 Adjustment-free variable resistors (VR) The variable resistors listed below are set at the factory prior to shipping and cannot be adjusted in the field. • Inverter PWB: VR1 1-7-3 Remarks on main PWB replacement Follow the procedure below to replace the main PWB. Caution When replacing the main PWB, run maintenance items U026 and U027.
Page 336 1-7-4 Remarks on engine PWB replacement When replacing the engine PWB, remove the EEPROM from the engine PWB that has been removed and then reattach it to the new engine PWB. Engine PWB Socket EEPROM Figure 1-7-4 1-7-5 Remarks on scanner PWB replacement When replacing the scanner PWB, remove the EEPROM from the scanner PWB that has been removed and then reattach it to the new scanner PWB.
Page 337 1-7-6 Upgrading the printer board firmware Follow the procedure below to upgrade the firmware on the optional printer board. Firmware upgrading requires the following tools: Compact Flash (Products manufactured by SANDISK are recommended.) NOTE When writing data to a new Compact Flash from a computer, be sure to format it in advance. Procedure 1.
Page 338 2-1 Mechanical construction 2-1-1 Paper feed section This copier is designed to feed paper either automatically from four paper cassettes or manually from the MP tray. (1) Paper feed section 1 (cassette 1 and 2) Paper feed section 1 (cassette 1 and 2) consists of the paper holder with the deck base activated by lift motor 1 and 2, and the deck conveying unit for extracting and conveying the paper.
Page 339 EPWB DKPWB DK SCLK YC2-A10 YC3-A4 DK RDY YC3-A5 YC2-A9 DK SDI YC3-A2 YC2-A12 DK SDO YC2-A11 YC3-A3 DK SEL YC2-A8 YC3-A6 FEED B SW YC3-A7 PF MOT1 /A, PF MOT1 A YC8-1, 8-3 PF MOT1 B, PF MOT1 /B YC8-4, 8-6 PF MOT2 A, PF MOT2 B YC8-7, 8-8...
Page 340 (2) Paper feed section 2 (cassette 3 and 4) Paper feed section 2 (cassette 3 and 4) consists of the paper holder with the cassette operation plate activated by lift motor 3 and 4, and the pulleys, such as the forwarding pulley, the paper feed pulley and the separation pulley, for extract- ing and conveying the paper.
Page 341 CSPWB EPWB CS RDY YC4-9 YC2-6 CS SEL YC4-10 YC2-5 CS SDI YC2-9 YC4-6 CS SDO YC4-7 YC2-8 CS SCLK YC2-7 YC4-8 FSW3 FSW C YC5-B5 FSW D YC5-B8 FSW E YC5-B11 FSW4 FEED D1 SW YC4-23 PESW3 PE SW3 YC4-9 TIMSW2 LMT SW3...
Page 342 (3) Paper feed section 3 Figure 2-1-5 Paper feed section 3 Left guide A (10) Feed switch 1 (FSW1) Feed switch 2 (FSW2) (11) Feed A upper guide Vertical feed roller (12) Registration lower roller Vertical feed right guide A (13) Registration upper roller Feed pulley (14) Registration upper guide...
Page 343 EPWB DUPPWB DUP SCLK YC2-A8 YC2-A4 DUP SDI YC2-A10 YC2-A2 DUP SDO YC2-A3 YC2-A9 DUP SEL YC2-A6 YC2-A6 DUP RDY YC2-A5 YC2-A7 FEED A SW YC2-A10 REG SW YC2-A9 REG MOT CLK YC2-B2 YC2-B10 REG MOT REM YC2-B9 YC2-B3 REG MOT HLD YC2-B8 YC2-B4 REG MOT MODE...
Page 344 (4) MP tray and MP tray paper feed section The MP tray can be hold up to 100 sheets of paper at one time. When the start key is pressed, the MP solenoid (MPSOL) turns on. The paper placed on the MP tray comes into contact with the MP forwarding pulley, is primary paper fed by the rotating of the MP forwarding roller and is conveyed to the MP feed pulley and MP separation pulley.
Page 345 EPWB DKPWB DK SDI YC3-A2 YC2-A12 DK SDO YC3-A3 YC2-A11 DK SCLK YC3-A4 YC2-A10 DK RDY YC3-A5 YC2-A9 DK SEL YC3-A6 YC2-A8 MP SOL PUL YC3-A8 MP SOL ATC YC3-A9 MPTSW MPSOL MP SET SW SIG MPPLSW YC3-A10 MPPESW MP MOT CLK YC3-B9 YC2-B5 MP MOT REM...
Page 346 2-1-2 Main charger section The main charging section consists of the main charger unit, drum, potential sensor and so on. The drum is electrically charged uniformly by means of a grid to form a latent image on the surface. The potential sensor (DPS) reads the drum surface potential and corrects surface potential. The main charger unit has the main charger cleaning motor (CLM), main charger cleaning pad for automatic cleaning of the charger wire.
Page 347 EPWB HVPWB MC REM YC7-9 MC ALM YC7-8 G CONT YC7-7 POTENTIAL SENS YC5-24 PTS (PWB) CL MOT MC FWD YC5-6 CL MOT MC REV YC5-8 Main charger output Main charger unit Grid GRID DRUM HEAT REM DRHPWB YC8-2 Drum Figure 2-1-10 Main charger section block diagram Figure 2-1-11 Main charger unit Main charger shield...
Page 348 2-1-3 Optical section The optical section consists of the scanner, mirror frame and image scanning unit for scanning and the laser scanner unit for printing. Figure 2-1-12 Optical section Laser scanner unit (LSU) Exposure lamp (EL) Mirror B (10) Mirror 1 frame Mirror B (11) ISU lens Scanner pulley...
Page 349 (1) Original scanning The original image is illuminated by the exposure lamp (EL) and scanned by the CCD in the CCD PWB (CCDPWB) via the three mirrors and lens, the reflected light being converted to an electrical signal. The mirror 1 and 2 frames travel to scan on the optical rails on the front and rear of the machine to scan from side to side. The speed of the mirror 2 frame is half the speed of the mirror 1 frame.
Page 350 (2) Image printing The image data scanned by the CCD PWB (CCDPWB) is processed on the main PWB (MPWB) and transmitted as image printing data to the laser scanner unit (LSU). By repeatedly turning the laser on and off, the laser scanner unit forms a latent image on the drum surface. Figure 2-1-14 Laser scanner unit (LSU) Beam detect reflection mirror (10) Laser diode...
Page 351 Figure 2-1-15 Laser scanner unit (LSU) Beam detect reflection mirror (11) Glass PP2 Polygon mirror (12) Glass PP Dust shield glass (13) Glass WP Polygon motor (PM) (14) Glass P PD PWB (PDWPWB) (15) Mirror LD Reflection mirror (16) Lens C Lens B (17) Coat glass Lens A...
Page 352 2-1-4 Developing section The developing section consists of the developing unit and the toner container. The developing unit consists of the developing roller where a magnetic brush is formed, the developing blade and the developing spirals that agitate the developer. The engine PWB (EPWB) turns on/off the toner motor according to the toner sensor output voltage, and supply toner in the toner container to the developing unit.
Page 353 EPWB DKPWB DK SDI YC3-A2 YC2-A12 DK SDO YC3-A3 YC2-A11 DK SCLK YC3-A4 YC2-A10 DK RDY YC3-A5 YC2-A9 DK SEL YC3-A6 YC2-A8 TONER MOT /B, TONER MOT /A YC6-7, 6-8 TONER MOT B, TONER MOT A YC6-9, 6-10 CONT SENS YC3-A13 CONT SET SW YC3-B13...
Page 354 (1) Single component developing system This machine uses the single component developing system, and reversal processing is performed with a + charged drum (a-Si) and a + charged magnetic toner. With the single component developing system, toner is electrically charged by friction with the developing sleeve and + charged when it passes through the magnetic doctor blade.
Page 355 2-1-5 Transfer section The transfer section comprises the transfer charger belt for transferring the toner image on the drum onto the paper, and conveying the paper after transfer to the fuser section, the transfer roller for applying the transfer bias to the transfer charger belt, etc.
Page 356 2-1-6 Cleaning section The machine employs a blade cleaning method with a cleaning brush. The cleaning section consists of the cleaning blade and cleaning brush which remove residual toner from the drum sur- face after transfer, the cleaning plate scraper that remove toner from the cleaning brush, and the cleaning spiral that car- ries the residual toner to the waste toner box.
Page 357: Fuser Section
2-1-7 Fuser section The fuser section consists of the parts shown in the figure. When the paper reaches the fuser section after the transfer process, it passes through the gap between the press roller and heat roller, which is heated by fuser heaters M, S and L (FH-M, FH-S and FH-L). where pressure is applied by the pressure springs so that toner on the paper is melted and fused onto the paper When the fuser process is completed, the paper is separated from the heat roller and press roller by their separation claws and is ejected out of the copier by the rotation of the fuser eject pulley and roller.
Page 358 FIX TH S SIG YC12-5 FIX TH M SIG YC12-3 FIX WEBSOL REM YC12-2 FCSW YC10-1 FRONT COV SIG YC10-3 ACPSPWB TAB5 AC LIVE IN TAB4 AC NEUTRAL OUT TAB3 AC LIVE OUT YC4-4 LIVE IN YC4-1 LIVE OUT EPWB FWSOL TAB1 AC LIVE IN...
Page 359 2-1-8 PTC section The PTC section intends to reduce improperly charged toner by discharging on the toner developed onto the drum and to improve copy performance by decreasing adhesiveness of the toner onto the drum. This increases adhesiveness of the toner onto the copied paper and prevents various poor images after copying. The PTC charger unit has the PTC cleaning motor (PCLM), PTC cleaning pad for automatic cleaning of the charger wire.
Page 360 CL MOT PTC FWD YC5-20 CL MOT PTC REV YC5-22 EPWB PCLM Drum PTC shield unit PTC wire 400 V ZPWB HVPWB PTC ALM YC7-1 PTC output (AC + DC) PTC REM YC7-2 Figure 2-1-27 PTC section block diagram 2-1-23 Y104350-7 Sevice Manual...
Page 361 2-1-9 Eject and feedshift section The feedshift and eject sections switches the paper path by copy mode and eject paper or convey the paper to the duplex section. For duplex copy mode, the paper for which copying on the rear side has been completed is conveyed to the duplex section by the feedshift section operation.
Page 362 EPWB SBESW SB EJ SW SIG YC12-10 FS SOL PUL YC6-14 FSSOL FS SOL RTN YC6-16 FSSW DUPPWB FS SW YC6-11 EJECT SW YC2-A11 FUSER MOT CLK YC4-1 FUSER MOT ALM YC2-B10 FUSER MOT REM YC2-B11 DUP SDI YC2-A2 YC2-A10 DUP SDO YC2-A3 YC2-A9...
Page 363 2-1-10 Duplex section As paper is conveyed from the feedshift section into the duplex section, the DU switchback feedshift guide shifts the paper path to switch-back the paper for refeeding or reverse side ejection. The paper is then conveyed to the feedshift and eject section.
Page 364 EPWB DUPPWB DUP SCLK YC2-A4 YC2-A8 DUP SDI YC2-A2 YC2-A10 DUP SDO YC2-A3 YC2-A9 DUP SEL YC2-A6 YC2-A6 DUP RDY YC2-A5 YC2-A7 DUP FEED SW YC7-1 DUP CONV SW A YC7-3 DUP SB SOL ATC YC7-16 DUP SB SOL PUL YC7-14 DUP SIDE REG SW YC7-11...
Page 365 (1) Circulation system (4 sheets circulation) • Start scanning the originals. • First to fifth sheet of the originals are scanned front and back alternately (Scanning front and back simultaneously). • After scanning one original (page 1 and 2), run parallel to this scanning, start feeding and print the front page. •...
Page 366 2-1-11 Document processor (DP) section The document processor (DP) section consists of the parts shown in the figure. The original placed on the original table is fed sheet by sheet through the original feeding section and conveyed on the slit glass.
Page 367 DPMPWB LM_B, LM B YC3-7, 3-8 LM A, LM _A YC3-9, 3-10 INV REM YC12-2 FM A, FM B YC3-3, 3-4 FM _A, FM _B YC3-5, 3-6 ODSW YC7-2 RM A, RM _A YC4-3, 4-4 RM B, RM _B YC4-5, 4-6 OFSW REGSW YC7-5...
Page 368: Electrical Parts Layout
2-2 Electrical Parts Layout 2-2-1 Electrical parts layout (1) PWBs Machine front Machine inside Machine rear Figure 2-2-1 PWBs Engine PWB (EPWB)........Controls the other PWBs, electrical components and optional devices. Main PWB (MPWB) ........Controls the image processing, operation panel and laser scanner unit. AC power source PWB (ACPSPWB)...
Page 369 11. High voltage PWB (HVPWB) ....... Generates high voltage for main charging, PTC (charging), and develop- ing bias. 12. APC PWB (APCPWB) ......... Generates and controls the laser beam. 13. PD PWB (PDPWB) ........Defects horizontal synchronizing timing of laser beam. 14.
Page 370 (2) Switches and sensors 30 26 Machine front Machine inside Machine rear Figure 2-2-2 Switches and sensors Main power switch (MSW) ......Turns the AC power on and off. Feed switch 1 (FSW1) ......... Detects a paper misfeed. Feed switch 2 (FSW2) ......... Detects a paper misfeed. Feed switch 3 (FSW3) .........
Page 371 15. Toner container sensor (TCS) ...... Detects the quantity of toner in a toner container. 16. Cassette 1 level sensor 1 (CAS1LS1) ..Detects the paper level in cassette 1. 17. Cassette 1 level sensor 2 (CAS1LS2) ..Detects the paper level in cassette 1. 18.
Page 372 (3) Motors Machine front Machine inside Machine rear Figure 2-2-3 Motors Drive motor (DM) ......... Drives the drum and cleaning unit. Scanner motor (SM)........Drives the optical system. Paper feed motor 1 (PFM1) ......Drives cassette 1 paper feed. Paper feed motor 2 (PFM2) ......Drives cassette 2 paper feed. Paper feed motor 3 (PFM3) ......
Page 373 15. Toner motor (TM) ......... Replenishes toner. 16. Transfer motor (TRM) ........Drives the transfer belt. 17. Cleaning motor (CLM)........Cleans the main charger wire. 18. PTC cleaning motor (PCLM) ......Cleans the PTC wire. 19. Polygon motor (PM) ........Drives the polygon mirror. 20.
Page 374 (4) Others 9,10 Machine front Machine inside Machine rear Figure 2-2-4 Others MP solenoid (MPSOL) ......... Operates up/down of the MP forwarding pulley. Exposure lamp (EL) ........Exposes originals. Cleaning lamp (CL) ........Removes residual charge from the drum surface. Feedshift solenoid (FSSOL)......
Page 375 (5) PWBs (DP) Machine front Machine inside Machine rear Figure 2-2-5 PWBs (DP) DP main PWB (DPMPWB) ......Controls electrical components of the document processor. DP inverter PWB (DPINPWB)...... Controls the light source of built-in CIS. LED PWB (LEDPWB) ........Indicates presence of originals on the document processor or an original jam.
Page 376 (6) Switches and sensors (DP) 10 2 Machine front Machine inside Machine rear Figure 2-2-6 Switches and sensors (DP) DP safety switch 1 (DPSSW1)..... Breaks the safety circuit when the document processor is opened; resets original misfeed detection. DP safety switch 2 (DPSSW2)..... Breaks the safety circuit when the document processor top cover is opened;...
Page 377 (7) Others (DP) Machine front Machine inside Machine rear Figure 2-2-7 Others (DP) Original feed motor (OFM) ......Drives the DP original feed belt. Original conveying motor (OCM) ....Drives the original conveying sections. Original registration motor (ORM)....Drives the registration roller. DP lift motor (DPLIM) ........
Page 378: Ac Power Source Pwb
2-3 Operation of the PWBs 2-3-1 AC power source PWB ACPSPWB Secondary Primary 5VPD DCPS Drawer DH REM heater control circuit Fuser FH-M REM heater M control FH-M circuit EPWB FH-L REM Fuser heater L FH-L control circuit Fuser FH-S REM heater S control FH-S...
Page 379 100V TAB4 TAB5 TAB3 F003 F002 TAB1 F001 F007 F004 TAB2 F006 F005 200V TAB4 TAB5 TAB3 F003 F002 TAB1 F001 F007 F004 TAB2 F006 F005 Figure 2-3-2 AC power source PWB silk-screen diagram 2-3-2 Service Manual Y104350-7...
Page 380 Connector Pin No. Signal Voltage Description 5V PD 5 V DC 5 V DC power input Connected CS HEATER 0/5 V DC Drawer heater 1, 2 and 3: On/off to the DC HEATER1 0/5 V DC Fuser heater M: On/off power HEATER2 0/5 V DC...
Page 381: Dc Power Source Pwb
2-3-2 DC power source PWB DCPSPWB DH REM FH-M REM ACPSPWB FH-L REM FH-S REM 5VPD EPWB 24V1PD MPWB EPWB RELAY SOURCE DUPPWB CSPWB 5VPD RELAY REM DKPWB Relay Switching SPWB regulator FMDPWB circuit Optional 5VPD document finisher R24V1PD EPWB 5VPD Optional DUPPWB...
Page 382 100V IC1003 F2002 YC10 PC1003 F2004 PC1002 F2003 T1001 IC2005 IC1001 T1002 YC11 IC1002 IC2007 IC1004 IC2008 200V IC1003 F2002 YC10 PC1003 F2004 PC1002 F2003 T1001 IC2005 IC1001 T1002 YC11 IC1002 IC2007 IC1004 IC2008 Figure 2-3-4 DC power source PWB silk-screen diagram 2-3-5 Y104350-7 Sevice Manual...
Page 383 Connector Pin No. Signal Voltage Description 24 V DC 24 V DC power output Connected 24 V DC 24 V DC power output to the scan- PGND Power ground ner PWB PGND Power ground 5 V DC 5 V DC power output SGND Power ground SGND...
Page 384 Connector Pin No. Signal Voltage Description 5 V DC 5 V DC power output for main PWB Connected 5 V DC 5 V DC power output to the PWBs 5 V DC 5 V DC power output for cassette PWB 5 V DC 5 V DC power output for duplex PWB 5 V DC...
Page 385: Main Pwb
2-3-3 Main PWB MPWB Address bus/Data bus EEPROM SBFM Flash SDRAM SCAN Flash DIGKEY Buffer SDRAM OPWB RE, WE, CS, RESET CPUCLK controller 33 MHz Image data Optional CODE Basis signal(CLK, MRE, VSYNC) DIMM printer board Image data Image data Image Basis signal Pseudo BD signal...
Page 386 YC17 U54 U52U56U55 U53 U57 U59 U60U61 U58 YC18 YC21 YC13 YC8 YC12 YC10 U70 U69 YC16 YC14 U18 U67 YC27 YC15 YC11 YC26 YC19 Figure 2-3-6 Main PWB silk-screen diagram 2-3-9 Y104350-7 Sevice Manual...
Page 387 Connector Pin No. Signal Voltage Description EG_DATA 0/5 V DC LSU data signal Connected EG_CLK 0/5 V DC LSU clock signal to the (pulse) engine PWB EG_LOAD 0/5 V DC LSU load signal LDON 0/5 V DC LDON signal SGND Signal ground SGND Signal ground...
Page 388 Connector Pin No. Signal Voltage Description WINCD_DIN_G 0/3.3 V DC Image data signal (pulse) Connected WINCD_DIN_G 0/3.3 V DC Image data signal to the SHD (pulse) SGND Signal ground SGND Signal ground SGND Signal ground SGND Signal ground SGND Signal ground SGND Signal ground SGND...
Page 389 Connector Pin No. Signal Voltage Description SGND Signal ground Connected SGND Signal ground to the SHD SGND Signal ground SGND Signal ground WINCDCK_P 0/3.3 V DC CCD clock signal (pulse) WINCDCK_N 0/3.3 V DC CCD clock signal (pulse) WINCDHSY_P 0/3.3 V DC CCD HSYNC signal WINCDHSY_N 0/3.3 V DC...
Page 390 Connector Pin No. Signal Voltage Description WINCSCK_N 0/3.3 V DC CIS clock signal (pulse) Connected WINCSHSY_P 0/3.3 V DC CIS HSYNC signal to the DP WINCSHSY_N 0/3.3 V DC CIS HSYNC signal main PWB WINCSMRE_P 0/3.3 V DC CIS MRE signal WINCSMRE_N 0/3.3 V DC CIS MRE signal...
Page 391 Connector Pin No. Signal Voltage Description LCD LOAD 0/5 V DC LCD LOAD signal Connected LCD CP 0/5 V DC LCD CP signal to the opera- (pulse) tion PWB LCD VSS1 Signal ground LCD VDD 5 V DC 5 V DC power output LCD VSS2 Signal ground LCD DISP OFF...
Page 392 Connector Pin No. Signal Voltage Description DIG LED_3 0/5 V DC DIG LED_3 signal (pulse) Connected DIG LED_2 0/5 V DC DIG LED_2 signal to the opera- (pulse) tion PWB DIG LED_1 0/5 V DC DIG LED_1 signal (pulse) SCAN_4 0/5 V DC SCAN_4 signal (pulse)
Page 393 Connector Pin No. Signal Voltage Description YC16 SGND Signal ground Connected SGND Signal ground to the DC SGND Signal ground power SGND Signal ground source PWB SGND Signal ground SGND Signal ground 5VPD 5 V DC 5 V DC power input 5VPD 5 V DC 5 V DC power input...
Page 394: Engine Pwb
2-3-4 Engine PWB EPWB Serial Optional DEVC communication document DATA finisher/side feeder OUTPEN, PVSYNC EG SCLK, EG SDO, EG SBSY, EG SDIR, EG IRN, EG SDI Switches Sensor Address bus DKPWB Flash Motors Data/Address multiplex bus Solenoid (U305) Address Address latch Switches MPWB...
Page 395 U307 U306 YC19 YC21 U402 U403 U1107 U303 U304 U1101 U305 U1105 U202 U1102 U1108 U1104 U1103 U101 U1106 U201 U308 U502 U903 U901 U1301 U1701 U1702 U1302 U501 U801 U902 U802 U904 U701 YC15 YC14 YC20 YC16 Figure 2-3-8 Engine PWB silk-screen diagram 2-3-18 Service Manual Y104350-7...
Page 396 Connector Pin No. Signal Voltage Description EG SCLK 0/5 V DC Engine PWB clock signal (pulse) Connected EG SDI 0/5 V DC Engine PWB serial communication signal to the main (pulse) EG SDO 0/5 V DC Engine PWB serial communication signal (pulse) EG SBSY 0/5 V DC...
Page 397 Connector Pin No. Signal Voltage Description DK SCLK(O) 0/5 V DC Deck PWB clock signal (pulse) Connected DK RDY(I) 0/5 V DC Deck PWB ready signal to the deck DK SEL(O) 0/5 V DC Deck PWB SEL signal FEED B SW 0/5 V DC Feed switch 2: On/off MP SOL PUL...
Page 398 Connector Pin No. Signal Voltage Description DLP EEPROM 0/5 V DC Developing counter clock signal (pulse) Connected CL EEPROM 0/5 V DC Cleaning counter clock signal to the image (pulse) formation DLP EEPROM 0/5 V DC Developing counter set signal unit, fan motors and CL EEPROM...
Page 399 Connector Pin No. Signal Voltage Description DLP DC REM 0/24 V DC Developing bias DC: On/off Connected G CONT Analog Grid control voltage to the high MC ALM 0/5 V DC Main charger alarm signal voltage MC REM 0/24 V DC Main charger: On/off PGND Power ground...
Page 400 Connector Pin No. Signal Voltage Description DLP FAN F 24 to 20.92/ Developing fan motor 1/2: full speed/half speed/off YC13 20.92 to 0.5/ 0.5 to 0 V DC Connected PGND Power ground to the fan COOL FAN1 24 to 20.92/ Cooling fan motor 1/2 and PWB fan motor 1/2: motors drive 20.92 to 0.5/...
Page 401 Connector Pin No. Signal Voltage Description YC17 R24V 24 V DC 24 V DC power output Connected PGND Power ground to the poly- PLG REM 0/24 V DC Polygon motor: On/off gon motor PLG READY 0/5 V DC Polygon motor ready signal PLG CLK 0/5 V DC Polygon motor clock signal...
Page 402: Scanner Pwb
2-3-5 Scanner PWB SPWB P24V, A24V DP SEL, DP SDI, DP SCLK DCPSPWB DP END, DP TMG, DP RDY, DP SDO Data bus SRAM SC SCLK Address Address bus (U10) SC SDI latch SC SDO (U11, U12) MPWB SC SBSY (U1) SC SDIR EESCLK...
Page 403 Connector Pin No. Signal Voltage Description SFANON 24 V DC Lamp fan motor/scanner fan motor: On/off Connected P24V 24 V DC 24 V DC power output to the lamp 5 V DC 5 V DC power output fan motor, HPSW 0/5 V DC Scanner home position switch: On/off scanner fan...
Page 404 Connector Pin No. Signal Voltage Description SC SDO 0/5 V DC Scanner serial communication signal (pulse) Connected SC SDI 0/5 V DC Scanner serial communication signal to the main (pulse) SC SCLK 0/5 V DC Scanner clock signal (pulse) DP END 0/5 V DC DP END signal Connected...
Page 405 Connector Pin No. Signal Voltage Description SMOT B 0/24 V DC Scanner motor drive signal YC10 (pulse) Connected SMOT COM 24 V DC 24 V DC power output to the scan- SMOT BN 0/24 V DC Scanner motor drive signal ner motor (pulse) 2-3-28...
Page 406: Ccd Pwb
2-3-6 CCD PWB CCDPWB 1A-1, 2A-1, 1A-2, 2A-2 Drivers (U1,4) SH, RS, CP, 2B Driver (U2) SHDPWB Transistors A[9:0] CCDA[9:0] Buffer (Q5, Q7) (U6) sensor Front (U3) (U5) CLK, SDI, SEN Transistors (Q1, Q2) ISSCLKAFE ISSDIAFE Buffer ISSDOAFE SPWB (U9) ISSELAFE CLK, SDI, SEN Transistors...
Page 407 Connector Pin No. Signal Voltage Description ADCLK-A 0/3.3 V DC CCD A/D clock signal (pulse) Connected RESETN-A 0/3.3 V DC CCD reset signal to the SHD Signal ground CCDA9 0/3.3 V DC Image data signal (pulse) CCDA8 0/3.3 V DC Image data signal (pulse) CCDA7...
Page 408 Connector Pin No. Signal Voltage Description CCDC2 0/3.3 V DC Image data signal (pulse) Connected CCDC1 0/3.3 V DC Image data signal to the SHD (pulse) CCDC0 0/3.3 V DC Image data signal (pulse) Signal ground FESHD-B 0/3.3 V DC CCD SHD timing signal (pulse) FECP-B...
Page 409: Deck Pwb
2-3-7 Deck PWB DKPWB LCF SW A, B R24V PE SW1, 2 DCSW1, 2 DCPSPWB LIM SW1,2 PESW1, 2 LCF SW A1 LILSW1, 2 Reset IC RESET TIMSW1 PF MOT1 Motor (U8) PFM1, 2 PF MOT2 drivers (U10, U11) LIFT MOT1 Motor LIM1, 2 drivers...
Page 410 YC10 Figure 2-3-14 Deck PWB silk-screen diagram 2-3-33 Y104350-7 Sevice Manual...
Page 411 Connector Pin No. Signal Voltage Description 24 V DC 24 V DC power input Connected PGND Power ground to the DC SGND Signal ground power 5 V DC 5 V DC power input source PWB CONT SENS Analog Toner container sensor detection signal Connected MP TRY SW 0/5 V DC...
Page 412 Connector Pin No. Signal Voltage Description 24 V DC 24 V DC power input Connected MP SOL PUL 0/24 V DC MP solenoid (activate): On/off to the MP MP SOL RTN 0/24 V DC MP solenoid (return): On/off tray unit 5 V DC 5 V DC power output MP PE SW...
Page 413 Connector Pin No. Signal Voltage Description 5 V DC 5 V DC power output Connected SGND Signal ground to the deck LIM SW2 0/5 V DC Lift limit switch 2: On/off conveying 5 V DC 5 V DC power output unit SGND Signal ground...
Page 414: Cassette Pwb
2-3-8 Cassette PWB CSPWB R24V PE SW3, 4 DCPSPWB LMT SW3, 4 PESW3, 4 LILSW3, 4 FEED SW D1, E1 Reset IC RESET TIMSW2, 3 (U4) PFM3, 4 PF MOT3 Motor PF MOT4 drivers LIFT MOT3 Motor (U6, U7) drivers LIFT MOT4 (U2) (U8, U13)
Page 415 Connector Pin No. Signal Voltage Description 24 V DC 24 V DC power input Connected PGND Power ground to the DC SGND Signal ground power 5 V DC 5 V DC power input source PWB 5 V DC 5 V DC power output Connected DISPOSL SIG 0/5 V DC...
Page 416 Connector Pin No. Signal Voltage Description LIFT3 ESW 2 0/5 V DC Cassette 3 paper empty detection signal Connected SGND Signal ground to lift motor LIFT3 ESW 1 0/5 V DC Cassette 3 paper empty detection signal 3/4, paper LIFT MOT3 L 0/24 V DC Lift motor 3: On/off length size...
Page 417: Duplex Pwb
2-3-9 Duplex PWB DUPPWB R24V DLP MOT CLK DCPSPWB DLP MOT REM DEVM DLP MOT ALM Reset IC RESET (U7) Motor DUP SIDE MOT driver DUPSRM DUP SB SOL ATC (U8) DUPSBSOL DUP SB SOL PUL Motor DUP FEED MOT driver DUPFDM DUP FS SOL ATC...
Page 418 Figure 2-3-18 Duplex PWB silk-screen diagram 2-3-41 Y104350-7 Sevice Manual...
Page 419 Connector Pin No. Signal Voltage Description 24 V DC 24 V DC power input Connected PGND Power ground to the DC SGND Signal ground power 5 V DC 5 V DC power input source PWB EJECT SW 0/5 V DC Exit switch: On/off Connected FEED A SW...
Page 420 Connector Pin No. Signal Voltage Description REG MOT/B 0/24 V DC Registration motor drive signal (pulse) Connected DUP FEED 0/24 V DC Duplex feed motor drive signal to the regis- MOT/B (pulse) tration 24 V DC 24 V DC power output motor, feed DUP FEED 0/24 V DC...
Page 421 Connector Pin No. Signal Voltage Description DUP FEED SW 0/5 V DC Duplex feed switch: On/off Connected Not used to the DUP CONV SW 0/5 V DC Duplex conveying switch 1: On/off duplex unit Not used DUP CONV SW 0/5 V DC Duplex conveying switch 2: On/off 24 V DC 24 V DC power output...
Page 422: Operation Pwb
2-3-10 Operation PWB OPWB KEY23 KEY24 KEY25 DIGKEY1 KEY26 CN1-1 KEY28 KEY29 KEY30 KEY27 KEY33 KEY34 KEY35 DIGKEY2 CN1-2 KEY31 KEY32 DIGKEY3 KEY36 KEY37 CN1-3 SCAN1 CN1-4 SCAN2 CN1-5 SCAN3 CN1-6 SCAN4 CN1-7 L7-1 L10-1 R100 DIGLED1 CN1-8 L7-3 L10-3 R102 DIGLED2 CN1-9...
Page 423 SW19 SW20 SW21 SW22 SW10 SW16 SW14 SW11 SW17 SW12 SW18 SW15 K36 BZ1 Figure 2-3-20 Operation PWB silk-screen diagram 2-3-46 Service Manual Y104350-7...
Page 424 Connector Pin No. Signal Voltage Description DIG KEY_1 0/5 V DC DIG KEY_1 signal (pulse) Connected DIG KEY_2 0/5 V DC DIG KEY_2 signal to the main (pulse) DIG KEY_3 0/5 V DC DIG KEY_3 signal (pulse) SCAN_1 0/5 V DC SCAN_1 signal (pulse) SCAN_2...
Page 425 Connector Pin No. Signal Voltage Description DIG KEY_9 0/5 V DC DIG KEY_9 signal (pulse) Connected SCAN_5 0/5 V DC SCAN_5 signal to the main (pulse) SCAN_6 0/5 V DC SCAN_6 signal (pulse) SCAN_7 0/5 V DC SCAN_7 signal (pulse) SCAN_8 0/5 V DC SCAN_8 signal...
Page 426: Dp Main Pwb
2-3-11 DP main PWB DPMPWB CISSHDPWB SSCLK WRSET SSDI PAGEST SSEL PLLSEL1 SSDO PLLSEL0 SRDY WSCLK ASIC TMG2 SPWB WSDO OVSYNC WSEL FEED WSDI +24V WRDY +A24V (U1) OVMONOUT RGDATA TMG1SW RGCLK DPTSW1 TMG2SW RGLD DPTSW2 FDSW RGRDWR OFSW REGSW RGOUT ORSW LHSW...
Page 427 Connector Pin No. Signal Voltage Description 24 V DC 24 V DC power input Connected 24 V DC 24 V DC power input to the scan- 24 V DC 24 V DC power input ner PWB A24V 24 V DC 24 V DC power input A24V 24 V DC...
Page 428 Connector Pin No. Signal Voltage Description FMCOMA 24 V DC 24 V DC power output Connected FMCOMB 24 V DC 24 V DC power output to the origi- 0/24 V DC Original feed motor drive signal nal feed (pulse) motor and 0/24 V DC Original feed motor drive signal DP lift motor...
Page 429 Connector Pin No. Signal Voltage Description 5 V DC 5 V DC power output Connected FDSW 0/5 V DC Original feed switch: On/off to the origi- SGND Signal ground nal feed 5 V DC 5 V DC power output switch, origi- REGSW 0/5 V DC Original registration switch: On/off...
Page 430 2-4-1 Y104350-7 Sevice Manual...
Page 431 2-4-2 Service Manual Y104350-7...
Page 432 2-4-3 Y104350-7 Sevice Manual...
Page 433: Image Quality
Image quality Item Specifications 100% magnification ± Copier: 0.8% ± Using DP: 1.5% ± Enlargement/reduction Copier: 1.0% ± Using DP: 1.5% ± Lateral squareness (copier mode) Copier: 1.5 mm/375 mm ± Using DP: 2.5 mm/375 mm ± Lateral squareness (printer mode) 1.0 mm/375 mm ±...
Page 434: Maintenance Parts List
Maintenance parts list Maintenance part name Fig. Ref. Name used in service manual Name used in parts list Paper feed pulley PULLEY FEED Forwarding pulley PULLEY LEADING FEED Separation pulley LOWER PULLEY FEED MP paper feed pulley PULLEY FEED MP forwarding pulley PULLEY LEADING FEED MP separation pulley LOWER PULLEY FEED...
Page 435 Maintenance part name Fig. Ref. Name used in service manual Name used in parts list Fuser heater L HEATER L120 FUSER HEATER L240 FUSER Heat roller ROLLER HEAT Heat roller separation claw SEPARATOR FUSER ASSY Heat roller gear GEAR 50 HEAT ROLLER B Fuser joint gear GEAR FUSER JOINT B Fuser eject upper roller...
Page 436: Periodic Maintenance Procedures
Periodic maintenance procedures Maintenance Section Method Maintenance cycle Points and cautions Page part/location Test copy Perform at the maxi- Test copy Every service and test print mum copy size Maintenance Section Method Maintenance cycle Points and cautions Page part/location Paper feed Paper feed pulleys Replace Every service...
Page 437 Maintenance Section Method Maintenance cycle Points and cautions Page part/location Optical Slit glass Clean Every service Clean with a dry cloth (do not section clean with a wet cloth nor alcohol). Contact glass Clean Every service Clean with alcohol and then a dry cloth.
Page 438 Maintenance Section Method Maintenance cycle Points and cautions Page part/location Developing Developing unit Replace Every service P.1-6-60 section Maintenance Section Method Maintenance cycle Points and cautions Page part/location Transfer Transfer belt Replace Every service P.1-6-63 section Transfer roller Replace Every service P.1-6-65 Idle belt roller Clean...
Page 439 Maintenance Section Method Maintenance cycle Points and cautions Page part/location Fuser Lower cleaning roller Replace Every service P.1-6-71 section Press roller Replace Every service P.1-6-72 Press roller separation Clean Every service claws Cleaning felt Replace Every service P.1-6-73 Fuser thermistor Check and Every service Replace if the film is...
Page 440 Maintenance Section Method Maintenance cycle Points and cautions Page part/location Eject section Eject roller Clean Every service Clean with alcohol or a dry cloth. Eject pulleys Clean Every service Clean with alcohol or a dry cloth. Guides Clean Every service Clean with alcohol or a dry cloth.
Page 441 Maintenance Section Method Maintenance cycle Points and cautions Page part/location Other Waste toner box Replace Every service P.1-6-96 Developing rear fan Replace Every service P.1-6-97 filter Developing front fan Replace Every service P.1-6-97 filter 1 Developing front fan Replace Every service P.1-6-97 filter 2 Image formation fan...
Page 442: Maintenance Kits
Maintenance kits Maintenance kit part name Name used in service manual Name Maintenance kit A <For 120 V specifications> MK-650A(A) PTC unit PTC ASS'Y Main charger unit MCH ASS'Y TC BELT ASS'Y Transfer belt unit Fuser unit FUSER ASS'Y 120 Paper feed pulley unit UPPER PULLEY FEED ASS'Y Heat roller separation craw unit...
Page 443: Parts Kits
Parts kits Parts kit part name Name used in service manual Name Parts kit A PM-650A Cleaning felt FELT,CLEANING Heat roller separation claw SEPARATOR FUSER ASSY Forwarding pulley PULLEY LEADING FEED PULLEY FEED Paper feed pulley Transfer roller ROLLER TRANSFER Press roller ROLLER PRESSURE Heat roller gear...
Page 444 Wiring diagram No.1 DCPSPWB FINISHER YC3-6 Finisher YC11-1 S12V YC11-2 SGND HDD Power YC11-3 SGND YC11-4 SDCPSPWB YC3-3 R24V DUPPWB YC2-5 PGND YC4-13 SGND YC5-15 FINISHER YC2-7 REFERENCE YC3-5 R24V AC LIVE IN TAB 1 PGND CSPWB YC2-3 PGND AC NEUTEAL IN TAB 2 PGND YC4-15...
Page 445 Wiring diagram No.2 EGSCKN EG SGLK EGSI EG SDI SGND EGSO EG SDO FLDEN EGSBSY EG SBSY SGND EGSDIR EG SDIR ADJUSTA EGIRN EG IRN SGND OUTPEN OUTPEN ADJUSTB PVSYNC PVSYNC SGND LSU_5V WINCD_DIN_RP3 WINCD_DIN_RP3 ADJUSTC SGND SGND WINCD_DIN_RN3 WINCD_DIN_RN3 SGND SGND SGND...
Page 446 Wiring diagram No.3 MPWB YC12 YC10 YC13 YC21 SGND SGND DB_DATA7 PRT_SET DIMM D0 INTA DB_DATA6 SGND DIMM D1 INTC DB_DATA5 SIE2P DB_DATA4 DIMM D2 SCLKN DIMM D3 DB_DATA3 SBSY VCC1 SGND DB_DATA2 SOP2E DIMM D4 PCI RST -CE1 DB_DATA1 _RESET_PRT DIMM D5 DB_DATA0...
Page 447 Wiring diagram No.4 Image formation unit EG SGLK DRUM HEAT REM DRHPWB PTC ALM EG SDI R24V PTC REM EG SDO DLP PLS EG SBSY CL LAMP REM DLP CONT EG SDIR R24V DLP AC REM EG IRN DLP DC REM OUTPEN MPWB HVPWB...
Page 448 Wiring diagram No.5 ADCLK-A ADCLK-A SGND ISRESETN CLK5V CLK5V RESETN-A SGND CCDA9 CCDA9 CLK5V CLK5V CCDA8 CCDA8 SGND WRSO CCDA7 CCDA7 CLK5V CLK5V WRSI CCDA6 CCDA6 AGND CCDA5 CCDA5 A24V A24V ERSTN AGND SGND CCDA4 CCDA4 A24V A24V CCDA3 CCDA3 SGND SGND CCDA2...
Page 449 Wiring diagram No.6 YC2-3 YC3-2 R24V YC2-4 PGND MP MOT /A YC3-5 DCPSPWB SGND YC6-8 YC4-14 YC5-3 YC5-16 MP MOT A MPFDM MP MOT B CONT SENS MP MOT /B MP TRY SW TONER MOT /B MP PSD SW TONER MOT /A TONER MOT B MP PE SW TONER MOT A...
Page 450 Wiring diagram No.7 YC3-5 LIFT3 ESW 2 YC2-3 PGND SGND DCPSPWB YC4-15 SGND LIM3 LIFT3 ESW 1 YC5-14 LIFT MOT3 L LIFT MOT3 H LIFT4 ESW 2 SGND LIM4 LIFT4 ESW 1 DISPOSL SIG(I) LIFT MOT4 L SGND LIFT4 MOT4 H DISPOSL SIG(O) CS SEL (I) CS RDY (O)
Page 451 Wiring diagram No.8 DUPCSW2 YC3-3 R24V DUP CONV SW B YC2-5 PGND DCPSPWB YC4-13 SGND DUPCSW3 YC5-15 DUP CONV SW C DUPSRM EJECT SW DUPSRSW FEED A SW DUP SIDE REG SW REG SW DUP PAUSE DUP SEL(O) DUPCSW1 DUP CONV SW A DUP RDY(I) DUP SCLK(O) DUP SDO...
Page 452 Wiring diagram No.9 OSSW DPTSW1 DPTSW2 OWSW DPLULSW CISOCSW ORSW OLSW OFSW SHDPWB RGDATA/RGCLK RGLD/RGRDWR RGOUT/AGND AGND/+A24V +A24V/SGND DPLLLSW SGND/5V 5V/WREST GREEN PAGEST/PLLSEL0 LEDPWB PLLSEL1/WSCLK WSDO/WSDI WSEL/WRDY OVMONOUT/N.C. DPMPWB YC11 FMCOMA FMCOMB FM_A N.C. FM_B FRSTN DPLIM LM_A YC14 LM_B SGND DPSSW1 To SPWB...
Page 453 Wiring diagram No.10 FMDPWB 2-10 DCPSPWB EPWB COOLING FAN REM 13-3 EPWB DLP FAN F REM 13-1 FAN STOP B12 3-B2 COOLING FAN 1 CFM1 COOLING FAN 2 CFM2 DLP FAN F1 DEVFM1 DLP FAN F2 DEVFM2 Imaging unit PCB FAN 2 PWBFM1 PCB FAN 1 PWBFM2...
Page 454 UPDATING STATUS DATE UPDATED PAGES PAGES CODE 02/2006 EDITION Y104350-7...

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D-copia 800

Olivetti d-Copia 600 Service Manual

Specifications

1-2 Handling Precautions

1-3 Installation

Maintenance Mode

1-5 Troubleshooting

2-3 Operation of the Pwbs

2-4 Appendixes

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Summary of Contents for Olivetti d-Copia 600

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Table of Contents