Epson AcuLaser Color 2000, Service Manual

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EPSON AcuLaser C2000 Revision C
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2.2.8 Fusing Process .......................................................................... 84
2.2.8.1 Fusing Unit ......................................................................... 84
2.2.8.2 Fusing Temperature Control .............................................. 86
2.2.8.3 Fusing Oil Roll .................................................................... 89
2.2.9 Paper Eject Process .................................................................. 89
2.2.9.1 Duplex Unit (option) ............................................................ 90
2.3 Controller Board (C314MAIN) Operating Principles ..................... 92
2.3.1 Specification .............................................................................. 92
Chapter 3 Troubleshooting
3.1 Troubleshooting Method ................................................................ 94
3.1.1 Troubleshooting Procedure ....................................................... 94
3.1.2 Power is not Applied .................................................................. 96
3.1.3 Self Check Function .................................................................. 96
3.2 Printer Message ............................................................................... 98
3.2.0.1 Messages ........................................................................... 98
3.2.1 Printer Message Details of Status Messages and Remedies . 101
3.2.2 Details of Error Messages and Remedies ............................... 101
3.2.3 Details of Warning Messages and Remedies ......................... 104
3.2.4 .................................................. Service Call Error Messages 106
3.2.4.1 Engine Related Service Call Error Messages .................. 106
3.2.4.2 Engine Related Service Call Error Troubleshooting ......... 107
3.2.4.3 Controller Related Service Call Error Messages .............. 114
3.3 Image Quality Troubleshooting .................................................... 116
Chapter 4 Disassembly and Assembly
4.1 Overview
......................................................................................... 120
4.1.1 Cautions .................................................................................. 120
4.1.2 Service Tools ........................................................................... 120
4.1.3 Screws, Small Parts ................................................................ 121
4.1.4 Fuses ....................................................................................... 121
4.2 Disassembling Procedure
............................................................ 122
4.2.1 Overview ................................................................................. 122
4.2.2 Before Disassembling the Printer ............................................ 123
4.2.3 Outer Cover Removal .............................................................. 123
4.2.3.1 Front Cover Removal ....................................................... 123
4.2.3.2 Operation Panel Removal ................................................ 124
4.2.3.3 Front Inner Cover Removal .............................................. 124
4.2.3.4 Top Cover Removal ......................................................... 125
4.2.3.5 Left Cover Removal .......................................................... 125
4.2.3.6 Rear Controller Cover Removal ....................................... 126
4.2.3.7 Rear Cover Removal ........................................................ 127
4.2.3.8 Rear Right Cover Removal .............................................. 127
4.2.3.9 Left Rear Cover Removal ................................................. 128
4.2.3.10 Rear Left Cover Removal ............................................... 128
4.2.4 C314MAIN Board .................................................................... 129
4.2.4.1 C314MAIN Board Removal .............................................. 129
4.2.4.2 Controller Box Removal ................................................... 131
4.2.5 MCU (PWB-A Board) Removal ............................................... 131
4.2.6 PU1 (Power Supply Board) Removal ...................................... 132
4.2.7 High Voltage Board (HV1, HV2) Removal .............................. 133
4.2.7.1 HV1 (High Voltage Board) Removal ................................. 133
4.2.7.2 HV2 (High Voltage Board) Removal ................................. 133
4.2.8 Fusing Motor Removal ............................................................ 134
4.2.9 Transfer Motor Removal ......................................................... 135
4.2.9.1 PU1 Support Plate Removal ............................................ 135
4.2.9.2 Transfer Motor Removal ................................................... 135
4.2.10 Fusing Pressure Motor Removal ........................................... 136
4.2.11 Fan Motor Removal ............................................................... 136
4.2.11.1 Power Supply Fan Motor Removal ................................. 136
4.2.11.2 Fusing Fan Motor Removal ............................................ 137
4.2.11.3 Transfer Belt Fan Motor Removal .................................. 137
4.2.11.4 Cooling Fan Motor Removal ........................................... 138
4.2.12 Laser Safety Switch (CDRH-SW) Removal ........................... 138
4.2.13 Waste Toner Full Sensor Removal ....................................... 139
4.2.14 MP Tray Paper Load ............................................................. 140
4.2.14.1 Paper Load Cover Removal ........................................... 140
4.2.14.2 MP Tray Paper Load Solenoid Removal ........................ 140
4.2.15 MP Tray Paper Load Unit ...................................................... 141
4.2.15.1 Front Bearing for the MP Tray Paper Load Unit Removal 141
4.2.15.2 MP Tray Paper Load Unit Removal ................................ 141
4.2.16 Paper Cassette ..................................................................... 142
4.2.16.1 Paper Size Switch Removal ........................................... 142
4.2.16.2 Paper Near Empty Sensor Removal .............................. 142
4.2.16.3 Cassette Paper Load Solenoid Removal ....................... 142
4.2.17 Transfer Mechanism ............................................................. 143