Epson SEPG00004 Troubleshooting, Disassembly and Assembly, EPSON AcuLaser C2000, Revision C

EPSON AcuLaser C2000 Revision C

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

9