Filter
Top Products
Troubleshooting
Overview ..................................................................................................... 80
Printer Messages ................................................................................... 80
Message List ...................................................................................... 80
Message Descriptions ........................................................................ 82
Service-call Error .................................................................................... 83
Engine Related Error .......................................................................... 83
Controller Related Error List ............................................................... 84
Clearing the Service-call Error ............................................................ 85
Adding on RAM ...................................................................................... 85
Troubleshooting ...................................................................................... 85
The Printer will not Start ..................................................................... 85
The Printer will no Print. ..................................................................... 86
Image Quality Problems ..................................................................... 86
Disassembly/Assembly
Overview ..................................................................................................... 88
Precaution .............................................................................................. 88
Tools ....................................................................................................... 88
Small Parts ............................................................................................. 89
Disassembly Procedure ............................................................................ 91
ROM DIMM Removal ............................................................................. 92
Paper Eject Sensor Removal ................................................................. 93
1st Cassette Paper Take-up Roller Removal ......................................... 94
Transfer Section ..................................................................................... 95
Transfer Roller Removal .................................................................... 95
Transfer Unit Removal ....................................................................... 96
Timing Roller Front Sensor Removal ................................................. 96
Timing Clutch Removal ...................................................................... 97
Timing Roller Removal ....................................................................... 98
Internal Cooling Fan Removal ............................................................ 99
Separating the Printer ............................................................................ 99
Rear Cover Removal ............................................................................ 100
Transport Motor Removal ..................................................................... 100
I/C Drive Motor Removal ...................................................................... 101
1st Cassette Size Sensor Removal ...................................................... 101
Paper Size Sensor Removal ................................................................ 102
Top Cover Removal ............................................................................. 102
Toner Empty Sensor Removal ............................................................. 103
Main Circuit Board Removal ................................................................ 104
Engine Controller Board Removal ........................................................ 105
Power Supply Unit Cooling Fan Removal ............................................ 107
High Voltage Unit Removal .................................................................. 108
Front Cover Removal ........................................................................... 109
Control Panel Removal ........................................................................ 109
Printhead Unit Removal ....................................................................... 110
Power Supply Unit Removal ................................................................ 112
Fusing Section ..................................................................................... 113
Fuser Unit Removal .......................................................................... 113
Heater Lamp Replacement ............................................................. 114
Fusing Roller Thermistor / Thermostat / Temperature Fuse Removal 115
Upper Paper Separator Finger Removal ......................................... 118
Lower Paper Separator Finger Removal .......................................... 119
Upper Paper Eject Roller Removal ................................................. 119
Lower Paper Eject Roller Removal .................................................. 120
Drive Unit Removal .............................................................................. 121
1st Cassette Paper Take-up Solenoid (SL1) Removal .................... 123
1st Cassette Set Sensor Removal ................................................... 123
1st Cassette Paper Empty Sensor Removal .................................... 123
1st Cassette Paper Near Empty Sensor Removal ........................... 124
2nd Cassette Disassembly ................................................................... 125
Paper Take-up Roller Removal ........................................................ 125
2nd Cassette Paper Empty Sensor Removal ................................... 126
2nd Cassette Paper Near Empty Sensor Removal .......................... 126
Paper Size (Paper Size Switch) Sensor Removal ............................ 127
2nd Cassette Control Board (PWB-A) Removal ............................... 127
2nd Cassette Paper Take-up Solenoid Removal ............................. 128
2nd Cassette Right Door Set Sensor Removal ................................ 129
Updating the Firmware ......................................................................... 130
Updating the Program ROM ................................................................. 130
Error Indications and Measures ....................................................... 130
Copying the DIMM Module ................................................................... 132
Adjustment
Maintenance