Epson M2000 Service Manual
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EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BTROUBLESHOOTING Troubleshooting 62Developing clutch does not operate. The developing clutch coils have breaks. Check the coils for electric continuity. If no continuity is found, replace the developing clutch. (See P. 98) Poor connection between the developing clutch and the Main Board Assy. (YC808). „ Reconnect the connector cable properly. „ Check the connector cable for electric continuity. If no continuity is found, replace the cable. The Main Board Assy. is faulty. Replace the Main Board Assy. (See P. 92) MP paper feed solenoid does not operate. The MP paper feed solenoid coils have breaks. Check the coils for electric continuity. If no continuity is found, replace the MP paper feed solenoid. (See P. 92) Poor connection between the MP paper feed solenoid and the Main Board Assy. (YC809). „ Reconnect the connector cable properly. „ Check the connector cable for electric continuity. If no continuity is found, replace the cable. The Main Board Assy. is faulty. Replace the Main Board Assy. (See P. 92) Duplex solenoid does not operate. The duplex solenoid coils have breaks. Check the coils for electric continuity. If no continuity is found, replace the duplex solenoid (paper eject unit). (See P. 106) Poor connection between the duplex solenoid and the Main Board Assy. (YC817). „ Reconnect the connector cable properly. „ Check the connector cable for electric continuity. If no continuity is found, replace the cable. The Main Board Assy. is faulty. Replace the Main Board Assy. (See P. 92) Problem Possible cause Checkpoint & Remedy Eraser lamp does not turn on. Poor connection between the eraser lamp (YC701) and the Main Board Assy. (YC816). „ Reconnect the connector cable properly. „ Check the connector cable for electric continuity. If no continuity is found, replace the cable. The eraser lamp is faulty. Check the eraser lamp for electric continuity. If no continuity is found, replace the eraser lamp. (See P. 119) The Main Board Assy. is faulty. Replace the Main Board Assy. (See P. 92) The machine does not detect paper loaded in the cassette. The paper sensor is faulty. Replace the paper sensor. (See P. 87) Poor connection between the paper sensor and the Main Board Assy. (YC806). „ Reconnect the connector cable properly. „ Check the connector cable for electric continuity. If no continuity is found, replace the cable. A paper jam in the paper feed/conveying section or fuser section is indicated when the power switch is turned on. Paper dust or other foreign matter on/around the registration sensor or the exit sensor. Remove any paper dust or foreign matter. The registration sensor on the HVPS is faulty. Replace the HVPS. (See P. 75) The exit sensor is faulty. Replace the exit sensor (fuser unit). (See P. 106) The machine does not detect that the top cover is closed. The interlock switch on the LVPS is faulty. Check both terminals of the interlock switch for electric continuity. If no continuity is found when the switch is turned on, replace the LVPS. (See P. 75) Problem Possible cause Checkpoint & Remedy
EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BTROUBLESHOOTING Troubleshooting 633.4.6 Mechanical Problems Problem Possible cause Remedy No primary paper feed. The paper feed roller surface is contaminated with paper dust or other foreign matter. Clean the roller surface using isopropyl alcohol. (See P. 152) The paper feed roller has become deformed. Visually check the paper feed roller for deformation. Replace the roller if deformation is observed. (See P. 126) Mounting failure of the paper feed clutch. Visually check the paper feed clutch. If the clutch is not properly installed, fix it. No secondary paper feed. The upper or/and lower registration rollers surface is contaminated with paper dust or other foreign matter. Clean the roller surface using isopropyl alcohol. (See P. 152) Mounting failure of the registration clutch. Visually check the registration clutch. If the clutch is not properly installed, fix it. Skewed paper feed. The paper guide inside the cassette is not properly adjusted. Check if the paper guide is properly adjusted or installed. If not, adjust the position or replace the paper guide. Multiple sheets of paper are fed at one time. The separation roller or the separation pad is worn out. If the roller or the pad is worn out, replace it. (See P. 126) The paper has become curled. If the paper has become curled, replace the paper. Paper jams. The paper has become curled. If the paper has become curled, replace the paper. Poor contact between the upper and lower registration rollers. If the two rollers do not properly contact with each other, fix it. The heat roller or the pressure roller is extremely contaminated, or has become deformed. Replace the fuser unit. (See P. 106) Poor contact between the paper eject roller and the fuser paper eject pulley. If the roller and the pulley do not properly contact with each other, fix it. Toner drops on the paper conveying path. The developing unit or the photoconductor unit is extremely contaminated. Clean the developing unit or the photoconductor unit. Abnormal noise is heard. The rollers, roller bearings, and gears do not rotate smoothly. „ If any obstacles are found, remove them. „ Apply grease to the bearings and gears if their surface is dry. Mounting failure of the paper feed clutch, registration clutch, or developing clutch. If any abnormality is found, fix it. Problem Possible cause Remedy
EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BTROUBLESHOOTING Troubleshooting 64Paper becomes wrinkled, creased, or curled. Lower the fusing pressure using the following procedure.1. Remove the paper cassette.2. Open the duplex cover.3. Slide both left and right fuser levers inward. Lowering the fusing pressure may cause degradation in toner fixity. Problem Possible cause Remedy Right Fuser Lever Duplex Cover Left Fuser Lever Paper becomes wrinkled, creased, or curled. Problem Possible cause Remedy NormalFusing pressure is lowered Left (Right) Fuser Lever Left (Right) Fuser Lever
EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BDISASSEMBLY AND ASSEMBLY Preliminary Check 664.1 Preliminary Check4.1.1 Tool ListThe tools listed below are required for disassembling the printer. 4.1.2 Parts/Units that Should Not be DisassembledDo not disassemble the following parts or units. Doing so can result in malfunction of the printer.† Consumables / After Service PartsDo not disassemble the consumables or parts/units that are supplied as After Service Parts.Example:„ Toner Cartridge „ Fuser Unit „ Laser Scanner Unit † Parts/Units that are not described in this manualDo not disassemble any parts/units that are not described in this manual. Especially, the main frame must be kept unchanged from its original state because the frame position has been strictly adjusted at the factory. Never loosen or remove the screws securing the frame. Tool Name Code Usage Reference Phillips screwdriver No.2 1080532 For disassembling all of the parts/units --- Long-nose pliers 1080564 Use as required ---Tweezers 1080561 Use as required ---
EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BDISASSEMBLY AND ASSEMBLY Preliminary Check 674.1.3 How to Read this ChapterPAGE CONFIGURATION† Opening page † Main page EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision A DISASSEMBLY AND ASSEMBLY Main Unit Disassembly/Reassembly 30 1.3.4 Group 4CONTENT Table 1-7. Parts/Units to be Disassembled Guide Paper Feed Roller (Paper Cassette)Paper SensorSeparation Roller (Paper Cassette) ABC Paper SensorPaper Feed Roller (Paper Cassette) AB- Bottom of Main Unit - Separation Roller (Paper Cassette) C Part Name/GuideLists parts or units included in the Group. Each of their disassembly procedure is given with the alphabetic character shown in the Guide column. LocationShows location of each part. EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision A DISASSEMBLY AND ASSEMBLY Main Unit Disassembly/Reassembly 32 Paper Cassette 1. Remove the Paper Cassette. A1 B1 C1 Paper Cassette Paper Feed Roller (Paper Cassette) 1. Push the lever and remove the Paper Feed Roller. Match the Feed Shaft end with the oval hole on the Paper Feed Roller.A2 B2 Shape of the Shaft Oval shape Feed Shaft Paper Feed Roller Feed Shaft Feed Shaft Paper Feed Roller Lever ProcedureDescribes disassembly procedure. Reassemble the parts or units by reversing the disassembly procedure. Part NameShows part to be disassembled or operation to be performed in the column. Final ProcedureThe pink Guide indicates that the step is the final step of the disassembly procedure. GuideGuide to indicate the procedural steps.
EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BDISASSEMBLY AND ASSEMBLY Preliminary Check 68PROCEDURE 1. Find the part/unit you want to remove in the table.2. Check the alphabetic character “Guide” in the Guide column for the target part/ unit. Example: When you want to remove the Separation Roller, its “Guide” is “C”. 3. Go to main pages, find the columns that has the “Guide” character on the upper left corner, and perform the procedure described in the columns in numerical sequence. Example: To disassemble the Separation Roller, find columns with “C” on their upper left corner, and follow the procedures in the columns in numerical order. 1.3.4 Group 4CONTENT Table 1-7. Parts/Units to be Disassembled Guide Paper Feed Roller (Paper Cassette)Paper SensorSeparation Roller (Paper Cassette) ABC EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision A DISASSEMBLY AND ASSEMBLY Main Unit Disassembly/Reassembly 32 Paper Cassette 1. Remove the Paper Cassette.A1 B1 C1 Paper Cassette Paper Feed Roller (Paper Cassette) 1.Push the lever and remove the Paper Feed Roller.Match the Feed Shaft end with the oval hole on the Paper Feed Roller.A2 B2 Shape of the Shaft Oval shape Feed Shaft Paper Feed Roller Feed Shaft Feed Shaft Paper Feed Roller Lever EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision A DISASSEMBLY AND ASSEMBLY Main Unit Disassembly/Reassembly 33 Paper Sensor 1. Put the printer upside down.2. Pull the Feed Shaft out in the direction of the arrow.3. Disengage the two hooks and remove the holder.4. Remove the actuator from the holder.5. Disengage the hook and remove the Paper Sensor.6. Disconnect the connector from the Paper Sensor. B3 Feed ShaftActuator Connector Paper Sensor Holder Bottom Hooks Separation Roller (Paper Cassette) 1. Secure the Bottom Plate by pressing it down.C2 Separation Roller Bottom Plate Front Face
EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BDISASSEMBLY AND ASSEMBLY List of Disassembly/Reassembly Parts/Units 694.2 List of Disassembly/Reassembly Parts/Units Table 4-1. List of Disassembly/Reassembly Parts/Units (Main Unit) Category parts / units Reference Main Unit Consumables Toner Cartridge P. 70 Exterior Parts Controller Cover P. 70 Front Cover P. 70 Top Cover P. 113 Right Cover P. 92 Left Cover P. 75 Rear Cover P. 70 Control Panel P. 113 Paper Conveyance Parts Paper Feed Roller (Paper Cassette) P. 87 Separation Roller (Paper Cassette) P. 87 Paper Feed Roller (MP Tray) P. 70 Paper Sensor P. 87 MP Paper Sensor P. 98 Paper Feed Clutch P. 98 MP Paper Feed Solenoid P. 92 Registration Clutch P. 98 Paper Eject Unit P. 106 Development Parts Developing Unit P. 82 Developing Clutch P. 98 Photoconductor Unit P. 82 Charging Unit P. 82 Eraser Lamp P. 119 Toner Sensor P. 98 Exposure Parts Laser Scanner Unit P. 119 Transfer Parts Transfer Roller P. 82 Fusing Parts Fuser Unit P. 106 Main Unit Electrical Parts Main Board Assy. P. 92 LVPS Unit P. 75 Control Panel Board P. 113 HVPS Unit P. 75 RFID Board P. 98 Other Parts Main Motor P. 92 Left Cooling Fan Motor P. 113 Right Cooling Fan Motor P. 92 Gear Unit P. 92 Table 4-2. List of Disassembly/Reassembly Parts/Units (Optional Paper Cassette Unit) Category parts / units Reference Optional Paper Cassette Unit Paper Conveyance Parts Middle Roller P. 126 Paper Feed Roller P. 126 Separation Roller P. 126 PF Paper Feed Motor P. 131 PF Paper Feed Clutch P. 131 PF Paper Conveyance Clutch P. 131 PF Paper Feed Sensor P. 136 Electrical Parts PF Main Board P. 136 Table 4-1. List of Disassembly/Reassembly Parts/Units (Main Unit) Category parts / units Reference
EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BDISASSEMBLY AND ASSEMBLY Main Unit Disassembly/Reassembly 704.3 Main Unit Disassembly/Reassembly4.3.1 Group 1CONTENT Parts/Units to be Disassembled Guide Toner CartridgeFront CoverRear CoverPaper Feed Roller (MP Tray)Controller Cover ABCDE Toner Cartridge Front Cover Paper Feed Roller (MP Tray)A B D Controller Cover E Rear Cover C
EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BDISASSEMBLY AND ASSEMBLY Main Unit Disassembly/Reassembly 71DISASSEMBLY FLOWCHART A1 B1 C1 D1 E1 Start Toner Cartridge (P. 72) Rear Cover(P. 73) Paper Feed Roller (MP Tray) (P. 73) Front Cover (P. 72) Controller Cover (P. 74)