Epson AcuLaser C2600 Service Manual page 10

EPSON AcuLaser C2600/2600
1.26 Switching between Color Mode and Monochrome Mode ................................ 81
1.26.1 Switching of Operation Mode .................................................................. 81
1.26.2 Switching of Printer Driver ...................................................................... 84
Chapter 2 Operating Principle
2.1 Print Process ........................................................................................................ 86
2.1.1 Print Process Overview............................................................................... 86
2.1.2 Print Process Diagram ................................................................................ 87
2.1.3 Technical Explanation of Print Process...................................................... 88
2.2 Paper Feed Mechanism...................................................................................... 104
2.2.1 Main Unit Paper Feed Mechanism ........................................................... 105
2.2.2 Duplex Printing......................................................................................... 110
2.2.3 Paper Feed from Opt. Feeder Unit............................................................ 111
2.3 Drive ................................................................................................................. 112
2.3.1 Main Drive Motor..................................................................................... 113
2.3.2 Photoconductor Drive Motor .................................................................... 115
2.3.3 Rotary Drive Motor .................................................................................. 115
2.3.4 Development Drive Motor........................................................................ 116
2.3.5 Duplex Motor............................................................................................ 117
2.3.6 Opt. Feeder Motor .................................................................................... 118
2.4 Electrical............................................................................................................ 119
2.4.1 Electronic Circuit Board / R/W Module................................................... 119
2.4.2 Motor ........................................................................................................ 120
2.4.3 Solenoids and Clutches............................................................................. 121
2.4.4 Sensors and Switches................................................................................ 122
2.4.5 Interlock Switch........................................................................................ 123
2.4.6 Fan ............................................................................................................ 124
2.5 Control ............................................................................................................... 125
2.5.1 Hardware for Control................................................................................ 125
2.5.2 Image-Stabilizing Control ........................................................................ 126
2.5.3 Operation Sequence .................................................................................. 131
2.5.4 Operating Mode ........................................................................................ 133
2.5.5 Control of Consumables and Components Needing Periodic Replacement ...
134
2.6 Electrical Circuit Operation Principle ............................................................... 136
2.6.1 Electric Circuit.......................................................................................... 136
2.6.2 Engine Control Circuit.............................................................................. 138
2.6.3 Controller.................................................................................................. 140
Chapter 3 Troubleshooting
3.1 Overview ........................................................................................................... 142
3.1.1 Procedure Outline for Troubleshooting .................................................... 142
3.1.2 Preliminary Check .................................................................................... 142
3.1.3 Precautions in Performing Troubleshooting Work................................... 143
3.1.4 Procedure for Troubleshooting................................................................. 143
3.2 Troubleshooting for Paper Jam ......................................................................... 144
3.3 Troubleshooting According to the Error Message ............................................ 145
3.3.1 List of Error Message ............................................................................... 145
3.3.2 List of Service Request............................................................................. 145
3.3.3 Troubleshooting for Error Message.......................................................... 147
3.3.4 Troubleshooting for Service Request Error.............................................. 157
3.4 Printing-quality troubleshooting (PQT) ............................................................ 184
3.4.1 Print Quality Trouble List......................................................................... 184
3.4.2 Printing-quality troubleshooting............................................................... 186
3.5 Test Print ........................................................................................................... 208
Chapter 4 Disassembly and Assembly
4.1 Overview ........................................................................................................... 211
4.1.1 Precautions................................................................................................ 212
4.1.2 Prohibited Disassembly ............................................................................ 214
4.1.3 Tools ......................................................................................................... 215
4.1.4 Inspection After Assembling .................................................................... 215
4.2 Procedures for Disassembly and Assembly ...................................................... 216
4.3 Disassembly and Reassembly ........................................................................... 217
4.4 Disassembling Flowchart .................................................................................. 219
4.5 Disassembling/Assembling the Main Unit........................................................ 234
4.5.1 Consumables............................................................................................. 234
4.5.2 Housing..................................................................................................... 240
4.5.3 Paper Transport......................................................................................... 253
4.5.4 Xerographic .............................................................................................. 263
4.5.5 Exposure ................................................................................................... 268
4.5.6 Deve.......................................................................................................... 271
4.5.7 Transfer..................................................................................................... 276
4.5.8 Fusing ....................................................................................................... 293
4.5.9 Drive ......................................................................................................... 294
4.5.10 Electrical................................................................................................. 307
Revision B
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