Minolta QMS PageWorks/Pro 1100 Service Manual
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Minolta QMS PageWorks/Pro 1100 Service Manual

Minolta QMS PageWorks/Pro 1100 Service Manual

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PageWorks/Pro 1100
PageWorks/Pro 1100L
SERVICE MANUAL

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Summary of Contents for Minolta QMS PageWorks/Pro 1100

  • Page 1 PageWorks/Pro 1100 PageWorks/Pro 1100L SERVICE MANUAL...
  • Page 2 PageWorks™ is trademark of Minolta in the U.S. and Canada. PagePro™ is trademark of Minolta in Europe, Japan and Asia. Fine-ART and Fine Micro Toning are trademarks of Minolta Co., Ltd. QMS and the QMS logo are registered trademarks of QMS, Inc.
  • Page 3 Safety Precautions for Inspection and Service When performing inspection and service procedures, observe the following precautions to prevent accidents and ensure utmost safety. Depending on the model, some of the precautions given in the following do not apply. Different markings are used to denote specific meanings as detailed below. Indicates a potentially hazardous situation which, if not avoided, WARNING could result in death or serious injury.
  • Page 4 4. Handle the power cord with care and never use a multiple socket. • Do not brake, crush or otherwise damage the power cord. Placing a heavy object on the power cord, or pulling or bending it may damage it, resulting in a possible fire or electric shock.
  • Page 5 CAUTION 1. Precautions for Service Jobs • A toothed washer and spring washer, if used originally, must be reinstalled. Omitting them may result in contact failure which could cause an electric shock or fire. • When reassembling parts, make sure that the correct screws (size, type) are used in the correct places.
  • Page 6 5. Precautions for Laser Beam (Products Employing Laser Only) • Removing the cover marked with the following caution label could lead to possi- ble exposure to the laser beam, resulting in eye damage or blindness. Be sure to unplug the power cord before removing this cover. •...
  • Page 7 Other Precautions • To reassemble the product, reverse the order of disassembly unless otherwise specified. • While the product is energized, do not unplug or plug connectors into the circuit boards or harnesses. • The magnet roller generates a strong magnetic field. Do not bring it near a watch, floppy disk, magnetic card, or CRT tube.
  • Page 8 SAFETY INFORMATION This printer is a page printer which operates by means of a laser. There is no possibility of danger from the laser, provided the printer is operated according to the instructions in this manual. Since radiation emitted by the laser is completely confined within protective housing, the laser beam cannot escape from the machine during any phase of user operation.
  • Page 9 For Denmark Users; ADVARSEL Usynlig laserstråling ved åbning, når sikkerhedsafbrydere er ude af funktion. Undgå udsættelse for stråling. Klasse 1 laser produkt der opfylder IEC825 sikkerheds kravene. For Finland, Sweden Users; VARNING! Osynlig laserstråining när denna del är öppnad och spärren är urkopplad. Betrakta ej stråien.
  • Page 10 WARNING LABEL laser 4121s001 viii...

  • Page 11: Table Of Contents

    Contents Chapter 1: INSTALLATION 1-1.Installation Environment ............. 1 1-2.Usage Environment ..............1 1-3.Installing The Power Supply ............1 1-4.Installation Space ............... 2 1-4-1.Standard .................... 2 1-4-2.With Options ..................2 Chapter 2: GENERAL INFORMATION 2-1.Specifications ................3 2-1-1.Printer ....................3 2-1-2.Second Cassette Unit ................ 5 2-1-3.Controller (fro 1100) ................
  • Page 12 2-9-5.NIC (Network Interface Card option for 1100) ........28 2-10.Timing Chart ................29 2-10-1.Print Starting ..................29 2-10-2.Print Ending ..................29 Chapter 3: MECHANICAL/ELECTRICAL 3-1.Paper Path ................30 3-2.Paper Take-up Section ............. 31 3-2-1.Multi-purpose Tray ................31 3-2-2.Second Paper Cassette Unit (option) ..........32 3-3.Drum Charge ................34 3-3-1.Overview ..................34 3-4.Laser Exposure .................
  • Page 13 4-5-10.Removal of the Paper Take-up Solenoid (SL1) ......55 4-5-11.Removal of the Top Cover ............. 56 4-5-12.Removal of the Rear Cover ............56 4-5-13.Removal of the Cooling Fan Motor (M2) ........57 4-5-14.Removal of the Main Motor Assy........... 57 4-5-15.Removal of the Fusing Unit ............
  • Page 14 6-4-7.Network Communication Error ............77 6-5.Troubleshooting For Malfunction (1100L) ......... 78 6-5-1.No power ..................78 6-5-2.Engine Communication Error ............78 6-5-3.Controller Error .................78 6-5-4.Engine Error ..................79 6-6.Image Quality Troubleshooting ..........80 Appendix A: INDEX Appendix B: WIRING DIAGRAM...

  • Page 15: Chapter 1: Installation

    Chapter 1: INSTALLATION 1-1. Installation Environment When installing the printer, please avoid the types of locations listed below, both for safety considerations and to avoid breakdowns. • Areas with high temperatures or humidity, or with low temperatures and humidity • Areas where the temperature and/or humidity fluctuate sharply •...

  • Page 16: 1-4.Installation Space

    1-4. Installation Space 1-4-1. Standard 4121s002 Model 380mm or 15 in. 1100 436mm or 17-1/8 in. 360mm or 14-1/8 in. 361mm or 14-1/4 in. 1100L 1-4-2. With Options 4121s003 Model 380mm or 15 in. 1100 520mm or 20-1/2 in. 554mm or 21-3/4 in. 361mm or 14-1/4 in.

  • Page 17: Chapter 2: General Information

    Chapter 2: GENERAL INFORMATION 2-1. Specifications 2-1-1. Printer Type Desk-Top Laser Beam Printer Printing System Electrostatic dry powdered imaging system Exposure System Laser diode + Polygon Mirror scanning Resolution 600 DPI (dot/inch) Media Size Standard size: A4, A5, JIS B5, Letter, Legal, Executive, Invoice, Envelope (DL, C5, B5, Commercial 10, Monarch) Non standard size: Widths: 76 mm to 216 mm (3 in.
  • Page 18 PC Drum OPC (Organic Photoconductor) Drum Cleaning System Non-cleaner system Paper Separating Curvature separating system and charge neutraliz- System ing pin Fusing System Heated roller system Dimensions Width: 361 mm (14-1/4 in.) Depth: 283 mm (11-1/4 in.) Height: 262 mm (10-1/4 in.) (Closing the Paper Take-up Tray and the Face-down Tray and without second paper cassette unit)

  • Page 19: 2-1-2.Second Cassette Unit

    2-1-2. Second Cassette Unit Media Type Ordinary plain paper (60 to 90 g/m or 16 to 24 lbs.), Recycled paper (60 to 90 g/m or 16 to 24 lbs.) Media Size A4, B5, Letter, Legal, Executive with an exclusive use cassette Cassette Capacity Up to 500 sheets Paper Feeding System...

  • Page 20: 2-1-3.Controller (Fro 1100)

    2-1-3. Controller (fro 1100) ASIC (CPU) D8401 (IBM PowerPC401GF) Mitsubishi M3807 Imaging Method Band Buffer method (bitmap method) Memory configuration Standard ROM: 4 MB Standard RAM: 4 MB (16Mbit SDRAM 1M x 16bit x 2) Expansion Memory (DIMM) slot: 1 slot DIMM specifications Capacity: 16, 32, 64, 128 MB Function type: Burst mode...

  • Page 21: 2-1-4.Controller (For 1100L)

    2-1-4. Controller (for 1100L) Mitsubishi M38073M4 12MHz ASIC Destiny D6004 QuickASIC Imaging Method DestinyWinstyler Memory configuration Standard: RAM 4MB Standard Interface Centronics IEEE1284/ ECP Type B connector Toner Saver Mode Function to regulate the toner consumption Image Density Function to regulate the toner consumption Resolution 600 x 600 dpi, 300 x 300 dpi Printer Language...

  • Page 22: 2-2.Parts Identification

    2-2. Parts Identification 4121s005 4121s006 4121s004 1. Face-up Tray (option) 2. Top Cover Release Button 3. Power Switch 4. Second Paper Cassette Unit (option) 5. Face-down Tray 6. Multi-purpose Tray 7. Second Paper Cassette (option) 8. Drum Cartridge 9. Toner Cartridge...
  • Page 23 4121s007 10. Face-up Exit Roller 11. Face-up/Face-down Selection Switch 12. Interface Connector 13. Cooling Fan 14. Power Cord 15. Power Cord Socket...

  • Page 24: 2-3.Component Layout

    2-3. Component Layout 4121s009 1. Face-down tray 14. Fusing Separator 2. Print Head unit 15. Paper Exit Sensor (PS3) 3. Paper Empty Sensor (PE1) 16. Backup Roller 4. Multi-purpose Tray 17. Heat Roller 5. Paper Size Guide 18. P .C. Drum 6.

  • Page 25: 2-4.Drive Section

    2-4. Drive Section 2-4-1. Overview The Main Motor (M1) transmits the drive to the rollers of the printer and the Second Paper Cassette Unit via each gear as shown below. Paper Exit Roller (Face-up) Paper Exit Roller (Face-down) Backup Roller Heat Roller Drum Charge Brush Image Transfer Roller...

  • Page 26: 2-5.Electrical Components Layout

    2-5. Electrical Components Layout 2-5-1. Printer 4121s011c H1 .... Heater Lamp HV1 ..High Voltage Unit M1 .... Main Motor M2 .... Cooling Fan Motor PE1 ..Paper Empty Sensor PH .... Print Head Unit PS1 ..Paper Take-up Sensor PS3 ..

  • Page 27: 2-5-2.Controller

    2-5-2. Controller PWB-P 4121s012 PWB-P ..Controller Board 2-5-3. Second Paper Cassette Unit (option) PWB-A SW21 SL21 4121s013 PI2.... Paper Empty Sensor PWB-A ..Connecting Board SL21..Paper Take-up Solenoid SW21 ..Cassette Type Detecting Switch...

  • Page 28: 2-6.Electrical Parts Function

    2-6. Electrical Parts Function 2-6-1. Printer Symbol Name Function Heater Lamp A halogen lamp that supplies heat to the Fusing Rollers. (450W) High Voltage Unit Supplies power to the following sec- tions: - Drum Charge Brush: Charged volt- - Developing Sleeve Roller: Develop- ing bias voltage - Developing Tone Regulation Plate: Developing blade voltage...

  • Page 29: 2-6-2.Second Paper Cassette Unit (Option)

    Symbol Name Function PWB-D Laser Diode Drive Detects the start point of printing via Board (Inside of the the laser diode and SOS sensor, and Print Head Unit) irradiates the P .C. Drum with the laser beam according to the image signals. Power Switch Turns ON or OFF the printer.

  • Page 30: 2-7.Explanation Of Control Panel For 1100

    2-7. Explanation of Control Panel for 1100 The Control Panel has three Indicator lights and one button. Ready (Green) Paper (Amber) Paper (Amber) Panel Button 4109s83 2-7-1. Indicator Lights Different combinations of the three Indicator lights indicate the current printer status and let the user know what the printer is doing. The details of the current printer status appears on the host computer.

  • Page 31: 2-7-2.Indicator Status

    2-7-2. Indicator Status Error Paper Ready Printer Status Power is Off Power on initial setting Printer is ready Blinking Warming up. Power save Mode Slow Blinking Receiving data Top cover is open Print job is too complex Blinking Memory overflow The wrong size of paper were fed into the printer during printing Printer is standing by waiting for manual paper...
  • Page 32 Printer Error Indicate Pattern Whenever any of the indicator light patterns shown below (two patterns are shown alternately) appears, try turning the printer off and then back on again. Error Paper Ready Printer Status Blinking Blinking Blinking Engine communication error. Controller error.

  • Page 33: 2-7-3.Control Panel Button Function

    2-7-3. Control Panel Button Function The panel button can be used to perform various operations according to the status of the printer. • Reset the counter • Job cancel • Print configuration page • Form feed Function Explanation Reset the counter Use the following procedure whenever you want to reset the counter.

  • Page 34: 2-7-4.To Reset The Counter Of The Toner Cartridge (Only 1100)

    2-7-4. To Reset the Counter of the Toner Cartridge (only 1100) Perform the following procedure to reset the toner cartridge counter after you replace the toner cartridge. 1. While holding down the panel button, turn on the printer. 2. Keep the panel button held down, and the Ready indicator will start to blink. After the Ready indicator has blinked for about 5 seconds, release the panel button.

  • Page 35: 2-7-6.Test Print Function (Only 1100)

    2-7-6. Test Print Function (only 1100) Operation Press the panel button while printer is idle without any errors and job requests. Configuration Page Sample...

  • Page 36: 2-8.Explanation Of Control Panel For 1100L

    2-8. Explanation of Control Panel for 1100L The Control Panel has two Indicator lights. Error (Amber) Ready (Green) 4109s84 2-8-1. Indicator Lights Different combinations of the two Indicator lights indicate the current printer status and let the user know what the printer is doing. The details of the current printer status appears on the host computer.

  • Page 37: 2-8-2.Indicator Status

    2-8-2. Indicator Status Error Ready Conditions Power is Off Power on initial setting Printer is ready Warming up. Power save Mode Slow Blinking Receiving data Blinking Processing data Printing Paper misfeed Top Cover is open Out of paper Paper of the wrong size was fed into the printer Blinking Engine error.

  • Page 38: 2-9.Electrical Service Parts On P.w.boards

    2-9. Electrical Service Parts on P.W.Boards 2-9-1. PWB-P (Controller Board for 1100) LED1(OR) LED2(OR) LED3(GR) COM1 U9 U11 COM2 VR101 CON3(36P) PJ5(8P) PJ9(5P) PJ3(2P) PJ12(4P) 4121s014...
  • Page 39 Symbol Item Explanation CON1 Connector Slot for 168-pin DIMM (max. 128MB) CON2 Connector For Optional NIC Connector CON3 Connector Parallel Connector (Centronics IEEE1284/Nibble compatible mode Type B Connector) M38073M4-A01FP IC101 ASIC DESTINY D6004PQFP-100 Jumper post For Area Setting Upper Side: PageWorks 1100 (Inch) Lower Side: PagePro 1100 (Metric) LED1 Orange LED...

  • Page 40: 2-9-2.Pwb-P (Controller Board For 1100L)

    2-9-2. PWB-P (Controller Board for 1100L) D102(OR) D103(GR) IC300 IC104 IC101 PJ101(36P) PJ5(8P) PJ9(5P) PJ102 PJ3(2P) PJ12(4P) 4121s015 Symbol Item Explanation D102 Amber LED D103 Green LED M38073M4-A01FP IC101 ASIC DESTINY D6004PQFP-100 IC104 DRAM 2 MB (60nsec. First Page mode Type) IC300 DRAM 2 MB (60nsec.

  • Page 41: 2-9-3.Pu1 (Power Unit)

    2-9-3. PU1 (Power Unit) CN1(2P) CN2(7P) CN3(2P) 4121s016 F1..... Protection Fuse (10A, 125V) F2..... Protection Fuse (4A, 125V) VR1 ..For factory setting only [Do not touch] 2-9-4. HV1 (High Voltage Unit) CN1(11P) 4121s017 C....Drum Charging Voltage terminal (DC1286V/AC-811W) B ....Developing Voltage terminal (DC100V/-340Vmax) BL .....Developing Toner Blade Voltage terminal (DC590Vmax) SS ....

  • Page 42: 2-9-5.Nic (Network Interface Card Option For 1100)

    2-9-5. NIC (Network Interface Card option for 1100) Jumper Post Default Position Setting TEST...

  • Page 43: 2-10.Timing Chart

    2-10. Timing Chart 2-10-1. Print Starting (msec.) Printing command M2 normal rotation 6200(max.) (/PRINT) 24.81 Polygon Motor (M3) 1st: 52mm (min.) Paper Take-up Sensor 2nd: 99mm (min.) (PS1) 600dpi:2039 1200dpi:2628 Paper Take-up Solenoid (SL1/SL21) 600dpi:560 1st:200 2nd:450 1200dpi:1056 1st: 6.5mm Main Motor (M1) 1000 2nd: 13.5mm...

  • Page 44: Chapter 3: Mechanical/Electrical

    Chapter 3: MECHANICAL/ELECTRICAL 3-1. Paper Path - Paper can be fed into the printer either from the Multi-purpose Tray (150 sheets). - The paper feed system can be extended to a 3-way system by Installing the Second Paper Cassette Unit (500 sheets) adds another feeding method. - The paper fed by the Paper Take-up Roller is transported to the Image Transfer Roller, Fusing Roller and then Paper Exit Roller.

  • Page 45: 3-2.Paper Take-Up Section

    3-2. Paper Take-up Section 3-2-1. Multi-purpose Tray Mechanism - When the Paper Take-up Solenoid (SL1) is energized, the drive of the Main Motor (M1) is transmitted to the Paper Take-up Roller via the Paper Take-up Clutch (one-way clutch) to turn the Paper Take-up Roller one revolution. - At the same time, the Depressing Cam turns and lifts the Tray Lifting Plate, and the first (top) sheet of paper on the tray is fed to the printer.

  • Page 46: 3-2-2.Second Paper Cassette Unit (Option)

    Paper Empty Detection When the Multi-purpose Tray runs out of paper, the actuator for the Paper Empty Sensor (PE1) drops into the cutout in the Paper Tray. This activates the Paper Empty Sensor and the printer detects that the Multi-purpose Tray has run out of paper.
  • Page 47 Cassette Type Detection The paper size setup for the Paper Cassette is detected by the combination in which switches 1 to 3 of SW21 are turned on and off. The projections on the side of the Paper Cassette turn the three switches on or off. The printer determines the cassette type (paper size) by the combination of ON/ OFF states of the switches.

  • Page 48: 3-3.Drum Charge

    3-3. Drum Charge 3-3-1. Overview - The P.C. Drum is charged with static electricity before laser exposure. - The Drum Charge Brush and the Pre-charge Film are used for the charging method. - The Drum Charge Brush and Pre-charge Film charging generate little ozone in the printer.

  • Page 49: 3-4.Laser Exposure

    3-4. Laser Exposure Laser exposure is the process of creating an invisible static charge image on the PC Drum by the laser beam emitted from the Print Head Unit. This process is controlled as follows in order to appropriately time image printing. Print Head Unit PC Drum SOS Sensor...
  • Page 50 PRINTING AREA - The controller sends the VIDEO signal at the appropriate paper size to the engine (Controller Board). - The controller determines the start point of printing according to the TOD signal (sub-scanning direction) sent from the engine (Controller Board) and the HSYNC signal.

  • Page 51: 3-5.Development

    3-5. Development 3-5-1. An Overview - Toner is applied to the invisible static image on the PC Drum and a toner image is created on the drum surface. Toner Cartridge 4121s032 4121s031 4121s034 0992s24...

  • Page 52: 3-5-2.Explanation Of Each Part

    3-5-2. Explanation of each part Name Function Toner Hopper Contains toner. Toner Agitating Agitates the toner in the Toner Hopper and Screw sends the toner to the Toner Transport Roller. Toner Transport Transports the toner to the Sleeve Roller. Roller Sleeve Roller Turns the Resin Sleeve.

  • Page 53: 3-6.Image Transfer

    3-6. Image Transfer 3-6-1. An Overview - Image transfer is the process of transferring the toner image created on the PC Drum in the developing process to paper. - Roller Image Transfer is used instead of Corona Image Transfer as the image transfer method.

  • Page 54: 3-7.Fusing

    3-7. Fusing 3-7-1. An Overview - The toner image transferred onto the paper is securely fixed to the paper. - A heat roller system is used as the fusing system. The toner image is fused by the Heat Roller heated by the Heater Lamp, and securely fixed by the pressure between the Heat Roller and Backup Roller.
  • Page 55 The printer is initialized upon power supply. The printer then starts warming-up and the Heater Lamp lights. The temperature is controlled as follows. Mode 1 The temperature is controlled to maintain 115°C during standby and 195°C during printing. If this mode continues for 90 seconds, it will shift to mode 2. Mode 2 The temperature of the Heat Roller falls gradually to about 185°C from about 195°C.

  • Page 56: 3-8.Paper Exit

    3-8. Paper Exit 3-8-1. Face-up/Face-down Selection Mechanism After fusing, the paper is ejected onto the Face-down Tray or the Face-down Tray by the Face-up/Face-down Selection Mechanism. An optional Face-up Tray (capacity 20 sheets) can also be selected. Switching the paper exit to use the Face-up Tray is done with the Face-up/Face-down Selection Switch.

  • Page 57: Chapter 4: Maintenance/Disassembly

    Chapter 4: MAINTENANCE/DISASSEMBLY 4-1. Precautions for Maintenance/Disassembly 4-1-1. Precautions for Disassembly Observe the following precautions whenever servicing the printer. - Be sure to unplug the printer from the outlet before attempting to service the printer. - To reassemble the printer, reverse the order of disassembly unless otherwise specified.

  • Page 58: 4-1-5.Precautions For Handling The Drum Cartridge

    During Transportation/Storage: - During transportation or when in storage, new circuit boards must not be indiscriminately removed from their protective conductive bags. - Do not store or place circuit boards in a location exposed to direct sunlight. - When it becomes absolutely necessary to remove a board from its conductive bag or case, always place it on its conductive mat in an area as free as possible from static electricity.

  • Page 59: 4-2.Maintenance Schedule List

    4-2. Maintenance Schedule List Replacement Cycle Cleaning Parts (Unit) Refer to Cycle Continuous Single Printing Printing Drum Cartridge none 20,000 prints 16,000 prints * Toner Cartridge (After) none 6,000 prints 4,800 prints Toner Cartridge (Initial) none 3,000 prints 2,400 prints Image Transfer Roller none 135,000 prints 80,000 prints...

  • Page 60: 4-3.Required Service Tools

    4-3. Required Service Tools Tools Phillips Screw- Phillips Screw- Stubby Screw- Screwdriver driver (No. 1) driver (No. 2) driver 4-4. Screws D x L D x L D x L Illust Illust Illust (mm) (mm) (mm) 1305 3501 3907 1308 3504 1112 3704...

  • Page 61: 4-5.Disassembly Procedures

    4-5. Disassembly Procedures 4-5-1. Disassembly procedure chart 4-5-2 4-5-5 Open the Top Cover. Paper Empty Sensor (PE1) Toner Cartridge Drum Cartridge 4-5-5 Paper Take-up Cover 4-5-3 4-5-4 4-5-6 Right Cover Paper Take-up Roller Image Transfer Roller Cover 4-5-7 4-5-4 Control Panel Image Transfer Roller 4-5-9 Controller Board (PWB-P)
  • Page 62 Second Paper Cassette Unit 4-5-23 Second Paper Take-up Roller 4-5-25 Connecting Board (PWB-A) 4-5-26 Cassette Type Detecting Switch (SW21) 4-5-27 Second Paper Take-up Solenoid (SL21)

  • Page 63: 4-5-2.Before Disassembly Procedure

    4-5-2. Before disassembly procedure Before disassembling the machine, the following units need to be removed. Drum Cartridge Toner Cartridge Top Cover 4121s041 1. Push the Top Cover Release Button and fully open the Top Cover. 2. Remove the Toner Cartridge. 3.

  • Page 64: 4-5-3.Replacing The Paper Take-Up Roller

    4-5-3. Replacing the Paper Take-up Roller 1. Open the Paper Take-up Roller Cover and remove the Paper Take-up Roller. (1 screw) NOTE: When installing the roller, fit the positioning pin on the back side of the roller into the hole of the shaft. Paper Take-up Roller Cover 1308 4121s042...

  • Page 65: 4-5-4.Replacing The Image Transfer Roller

    4-5-4. Replacing the Image Transfer Roller Replace the Image Transfer Roller about every 50,000 sheets of print. NOTE: Never touch the surface of the Image Transfer Roller or contami- nate it with chemicals or toner. A depression or contamination on the roller will affect the printing quality. Carefully hold the roller by the shaft or bushings.

  • Page 66: 4-5-5.Removal Of The Paper Empty Sensor (Pe1)

    4-5-5. Removal of the Paper Empty Sensor (PE1) 1. Remove the Paper Take-up Roller Cover. 2. Remove the Paper Empty Sensor (PE1) and unplug the connector. Paper Take-up Roller Cover 4121s073 4-5-6. Removal of the Right Cover 1. Remove the Right Cover. (2 screws, 2 projections) 2.

  • Page 67: 4-5-7.Removal Of The Control Panel

    4-5-7. Removal of the Control Panel 1. Remove the Control Panel. (2 screws) 4121s084 4-5-8. Removal of Controller Board (PWB-P) 1. Unplug all connectors on the Controller Board. (12 connectors) 2. Remove the Controller Board. (10 screws) 3501 4121s046...

  • Page 68: 4-5-9.Removal Of The Left Cover And

    4-5-9. Removal of the Left Cover and Front Cover 1. Remove the Left Cover. (2 screws, 2 projections) 2. Remove the Right Cover, and remove the Front Cover. (4 screws) NOTE: When reinstalling the Front Cover, don’t catch the Paper Empty Sensor (PE1).

  • Page 69: 4-5-10.Removal Of The Paper Take-Up Solenoid (Sl1)

    4-5-10. Removal of the Paper Take-up Solenoid (SL1) 1. Remove the Right Cover, Left Cover and Front Cover 2. Close the Top Cover, turn the machine over on its back side. 4121s049 3. Remove the Paper Take-up Assy.(4 screws, 1 connector) 4.

  • Page 70: 4-5-11.Removal Of The Top Cover

    4-5-11. Removal of the Top Cover 1. Remove the Controller Bracket. (5 screws) 2. Remove the Top Cover. (2 projections) 4121s051 4-5-12. Removal of the Rear Cover 1. Remove the Rear Cover. (8 screws, 1 connector) 3501 3704 3501 3704 3501 3501 3501...

  • Page 71: 4-5-13.Removal Of The Cooling Fan Motor (M2)

    4-5-13. Removal of the Cooling Fan Motor (M2) 1. Remove the Rear Cover. 2. Remove the Cooling Fan Cover. (3 screws) 3. Remove the Cooling Fan Motor (M2). 3704 Cooling Fan Motor (M2) Cooling Fan Cover 4109s53 4-5-14. Removal of the Main Motor Assy. 1.

  • Page 72: 4-5-15.Removal Of The Fusing Unit

    4-5-15. Removal of the Fusing Unit Replace the Fusing Unit about every 50,000 sheets of print. 1. Remove the Right Cover, Left Cover, Top Cover and Rear Cover. 2. Remove the Fusing Unit. (3 screws, 3 connectors) 3504 Fusing Unit 3504 3704 4109s56...

  • Page 73: 4-5-16.Disassembly Of The Fusing Unit

    4-5-16. Disassembly of the Fusing Unit 1. Remove two screws. 2. Press the left and right claws (4 in total) and separate the upper and lower fus- ing units. 3704 4121s057 3. Remove the Backup roller. 4. Remove the Fusing Entrance Guide. (1) Push the Guide to the left.
  • Page 74 5. Remove the Lamp holder. (2 screws) 6. Pull out the Heater Lamp. NOTE: When reinstalling the lamp, position the voltage mark on the fus- ing drive gear side. Be sure not to touch the lamp surface with bare hands. 1305 Heater Lamp voltage mark...
  • Page 75 9. Remove the Roller Assy. (2 screws) 10. Remove the four Fusing Paper Separators. 11. Remove the Thermistor (TH1). (1 screw) NOTE: Route the harness along the bottom of the Fusing unit when attaching the Thermistor, as shown in Fig.1. 12.

  • Page 76: 4-5-17.Removal Of The Paper Exit Sensor (Ps3)

    4-5-17. Removal of the Paper Exit Sensor (PS3) 1. Remove the Fusing Unit. 2. Remove the Paper Exit Sensor (PS3) from the Fusing Unit. Paper Exit Sensor (PS3) 4121s088 4-5-18. Removal of the Inter Lock Switch (S2) 1. Remove the Right Cover, Left Cover and Front Cover. 2.

  • Page 77: 4-5-19.Removal Of The Print Head Unit (Ph)

    4-5-19. Removal of the Print Head Unit (PH) 1. Remove the Right Cover, the Left Cover and the Front Cover. 2. Unplug the connectors (PJ5, PJ9, PJ12) from the Controller board and remove the wirings from the cord holders. 3. Remove the Print Head Unit (PH). (7 screws) NOTE: When reinstalling the Print Head Unit (PH), keep the shutter open, as shown in Fig.1.

  • Page 78: 4-5-20.Removal Of The Power Unit (Pu1)

    4-5-20. Removal of the Power Unit (PU1) 1. Remove the Right Cover, Left Cover, Top Cover and Rear Cover. 2. Unplug PJ7 connector on the controller board and removes the harness from the cord holder. 3. Remove the Power Unit (PU1). (4 screws, 2 connectors) 3501 3501 1305...

  • Page 79: 4-5-22.Removal Of High Voltage Unit (Hv1)

    4-5-22. Removal of High Voltage Unit (HV1) 1. Remove the Right Cover, Left Cover, Top Cover and Rear Cover. 2. Remove the Power Unit (PU1). 3. Remove the High Voltage Unit (HV1). (3 screws, 1 connector) NOTE:When installing the High Voltage Unit (HV1), direct care to the fol- lowing points: 1.

  • Page 80: 4-5-23.Replace The Second Paper Take-Up Roller

    4-5-23. Replace the Second Paper Take-up Roller 1. Separate the printer and Second Paper Cassette Unit. 2. As shown in Fig. 1, remove Paper Take-up Rollers. (1) Pull up on the lever of the roller. (2) Pull it to the right. (3) Lift out the roller.

  • Page 81: 4-5-24.Removal Of The Second Paper Take-Up Unit

    4-5-24. Removal of the Second Paper Take-up Unit. 1. Remove of a black cover. (1 screw, 2 projections) 2. Remove of the actuator for the Paper Empty Sensor. Actuator 3704 4121s068 3. Remove the Second Paper Take-up Unit. (6 screws) 3704 3704 3704...

  • Page 82: 4-5-25.Removal Of The Connecting Board (Pwb-A)

    4-5-25. Removal of the Connecting Board (PWB-A) 1. Remove the cover. (1 screw, 2 connectors) 2. Remove the Connecting Board (PWB-A). (2 screws) 3501 3501 4121s070 4-5-26. Removal of the Cassette Type Detecting Switch (SW21) 1. Remove the Cassette Type Detecting Switch (SW21). 4121s071...

  • Page 83: 4-5-27.Removal Of The Second Paper Take-Up Solenoid (Sl21)

    4-5-27. Removal of the Second Paper Take-up Solenoid (SL21) 1. Remove a cover. (1 screw) 2. Remove the wiring from the cord holder and remove the Second Paper Take- up Solenoid (SL21). (1 screws, 1 connector) Cord holder 4121s072 3501...

  • Page 84: Chapter 5: Adjustment

    Chapter 5: ADJUSTMENT 5-1. Adjustment of Image Registration After Mechanical Control Board (Controller board) is replaced, be sure to make a print of an image sample. If the starting position of the image (registration gap (d)=4mm) in the sub-scanning direction is not suitable, adjust the gap by following the procedure described below.

  • Page 85: 5-2.Adjustment Of Interlock Switch Position

    5-2. Adjustment of Interlock Switch Position When the Top cover is closed and the power supply does not come back on even though the Power Switch (S1) is turned ON, check and adjust the position of the Interlock Switch (S2) following the procedure below. 1.

  • Page 86: Chapter 6: Troubleshooting

    Chapter 6: TROUBLESHOOTING 6-1.Paper Misfeed Detection 6-1-1. An Overview The printer recognizes if paper remains inside the printer by detecting the status of the Paper Take-up Sensor (PS1) and the Paper Exit Sensor (PS3). A paper misfeed is detected by the timing that PS1 and PS3 become activated or deactivated.

  • Page 87: 6-2.Malfunction Detection

    6-2.Malfunction Detection All elements are deactivated when the malfunctions described below are detected. 6-2-1. Laser malfunction The Laser Diode is forcibly activated immediately after the Polygon Motor (M3) starts rotation. At this time, laser emission power is adjusted. The DA1 signal or DA2 signal deviates from the specified value while the laser emission power is adjusted.

  • Page 88: 6-3.Troubleshooting For Paper Misfeed

    6-3.Troubleshooting for Paper Misfeed 6-3-1. Paper misfeed occurred when the Power switch (S1) is turned ON Check Remedy → Yes Remove the paper. Paper left in machine. ↓ No → No Do the Paper Take-up sensor Correct the Sensor lever move- (PS1) and Paper Exit Sensor ment.

  • Page 89: 6-3-3.Paper Misfeed Occurred At The Paper Exit Section

    Check Remedy → No Do the Paper Take-up Sensor Correct the Sensor lever move- (PS1) lever move correctly? ment. → Yes Replace PS1. P .64 Replace the Controller Board. P .53 6-3-3. Paper misfeed occurred at the paper exit section Check Remedy →...

  • Page 90: 6-4.Troubleshooting For Malfunction (1100)

    6-4.Troubleshooting For Malfunction (1100) 6-4-1. No power Check Remedy → No Has the Power Cord been Plug the power cord into the securely plugged into the outlet? power outlet. ↓ Yes → No Has the Power Cord been Plug in the power cord. securely connected to the printer? ↓...

  • Page 91: 6-4-5.Engine Error (Polygon Scanner & Main Motor)

    6-4-5. Engine Error (polygon scanner & main motor) Check Remedy → No The Polygon Motor (M3) in the Replace the Print Head Unit. Print Head Unit rotates when the P .63 Power Switch (S1) is turned ON. Replace the Controller Board. ↓...
  • Page 92 6-5.Troubleshooting For Malfunction (1100L) 6-5-1. No power Check Remedy → No Has the Power Cord been Plug the power cord into the securely plugged into the outlet? power outlet. ↓ Yes → No Has the Power Cord been Plug in the power cord. securely connected to the printer? ↓...
  • Page 93 6-5-4. Engine Error Check Remedy → Yes Is shown an error after the Replace the Thermistor (TH1) or printer has completed warming Fusing Unit. P .58 ↓ No Replace the Controller Board. P .53 → No The Polygon Motor (M3) in the Replace the Print Head Unit.
  • Page 94 6-6.Image Quality Troubleshooting When an image problem occurs, exchange the Toner Cartridge and/or Drum Cartridge for a new one and determine whether the cause of the problem is due to one of the cartridges or something else in the printer. If an image quality problem occurs with the Printer, first replace the Toner Cartridge or Drum Cartridge.
  • Page 95 Symptom Possible Cause Remedy Blank print No Toner Cartridge Install a Toner Cartridge. Toner empty Replace the Toner Car- tridge. No Drum Cartridge Install a Drum Cartridge. Defective PC Drum Replace the Drum Car- (end of life) tridge. Improper laser expo- Replace Print Head unit.
  • Page 96 Symptom Possible Cause Remedy White spots The paper may have Replace the paper. absorbed some mois- ture due to high humidity. Poor image transfer Replace Image Transfer Roller. P .51 Replace the High Voltage 0951o220 Unit (HV1). P .65 Replace the Controller Board.
  • Page 97 Symptom Possible Cause Remedy Foggy background Poor development Replace the High Voltage Unit (HV1). P .65 Replace the Controller Board. P .53 Defective PC Drum Replace the Drum Car- (end of life) tridge. 0951o218 White/Black lines Scratch on the PC Replace the Drum Car- and bands Drum.
  • Page 98 Appendix A. INDEX ADJUSTMENT Adjustment of Image Registration Adjustment of Interlock Switch Position Before disassembly procedure Black print Blank print Cassette Type Detection Component Layout Control Panel Button Function Controller Error Development Disassembly of the Fusing Unit Disassembly procedure chart Disassembly Procedures Drive Section Electrical Components Layout...
  • Page 99 How to reset a paper misfeed HV1 (High Voltage Unit) Image Quality Troubleshooting Image Transfer Indicator Lights Indicator Status INSTALLATION Installation Environment Installation Space Installing The Power Supply Instructions for Handling the PWBs with MOS ICs Laser Exposure Laser malfunction Low Image density Maintenance Schedule List Malfunction Detection...
  • Page 100 Removal of PWB-A Removal of the Control Panel Removal of the Cooling Fan Motor (M2) Removal of the Inter Lock Switch (S2) Removal of the Left Cover and Front Cover Removal of the Paper Empty Sensor (PE1) Removal of the Paper Exit Sensor (PS3) Removal of the Power Unit and High Voltage Board Removal of the Print Head Unit Removal of the Rear Cover...
  • Page 101 Appendix B. WIRING DIAGRAM LOCK MOTOR_REM Main Motor MOTOR_POWER Power Inlet +24V Power Unit PJ13 +24V +24V Cooling Fan Motor LOCK N.C. SLEEP_MODE SLEEP_MODE Power Switch 24V_MON 24V_MON FUSER_LAMP FUSER_LAMP POLYGON_CTL Polygon Motor HEAT_N +24V N.C. N.C. Heater Lamp HEAT_L CN1D Print Head Unit PWB-D...
  • Page 102 Copyright 2000 MINOLTA CO,.LTD. Printed In Japan Use of this manual should be strictly supervised to avoid disclosure of confidential information. This publication is printed 4121-7991-11 00000000 on recycled paper. MINOLTA CO., LTD. Printed In Japan...

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