Pickup Roller Solenoid..............................................................................................................................104
Switches..........................................................................................................................................................106
Safety Switch.............................................................................................................................................106
Output Tray Switch....................................................................................................................................108
Fusing Unit......................................................................................................................................................111
Separating Fusing Unit..............................................................................................................................111
Exit Roller....................................................................................................................................................113
Pressure Roller............................................................................................................................................114
Hot Roller, Fusing Lamp
............................................................................................................................116
Thermostat..................................................................................................................................................118
Thermistor...................................................................................................................................................119
Ground Plate..............................................................................................................................................120
Boards............................................................................................................................................................121
M101 Main Board...................................................................................................................................121
M102 Main Board...................................................................................................................................123
M103 Main Board...................................................................................................................................127
After Replacing the Main Board..............................................................................................................130
M103 Fax Board......................................................................................................................................132
M103 Fax Speaker..................................................................................................................................132
PSU.............................................................................................................................................................134
HVPS...........................................................................................................................................................138
Flatbed Scanner ............................................................................................................................................144
Separating the Flatbed Units....................................................................................................................144
Flatbed Scanner (M102).................................................................................................................144
Flatbed Scanner (M103).................................................................................................................146
CIS..............................................................................................................................................................146
Scanner Motor...........................................................................................................................................148
ADF (M103 only)..........................................................................................................................................153
5. System Maintenance Reference
Firmware Update...........................................................................................................................................155
Before Updating the Firmware.................................................................................................................155
Firmware Update Procedure....................................................................................................................155
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