5
Registration Sensor ................................................................................................................................................ 144
Electrical Components ............................................................................................................................................... 145
FCU Board ............................................................................................................................................................ 145
Speaker ................................................................................................................................................................. 149
PSU ........................................................................................................................................................................ 150
Controller Board ................................................................................................................................................... 153
NVRAM on the Controller Board .......................................................................................................................... 155
BiCU ...................................................................................................................................................................... 155
EEPROM on the BiCU ........................................................................................................................................... 156
HDD ...................................................................................................................................................................... 157
Toner End Sensor .................................................................................................................................................. 159
HVPS ..................................................................................................................................................................... 160
HVPS with Bracket ................................................................................................................................................. 160
Fusing Fan ............................................................................................................................................................. 160
PCDU Cooling Fan ................................................................................................................................................ 161
PSU Cooling Fan ................................................................................................................................................... 162
DC Switch.............................................................................................................................................................. 162
Front Door Interlock Switch ................................................................................................................................... 162
Rear Door Interlock Switch .................................................................................................................................... 163
Temperature/Humidity Sensor.............................................................................................................................. 163
SPDF .......................................................................................................................................................................... 164
SPDF Unit .............................................................................................................................................................. 164
SPDF Front Cover .................................................................................................................................................. 166
SPDF Rear Cover ................................................................................................................................................... 167
SPDF Top Cover .................................................................................................................................................... 167
SPDF Original Tray ............................................................................................................................................... 168
Original Feed Unit ................................................................................................................................................. 168
SPDF Friction Pad .................................................................................................................................................. 168
SPDF Drive Motor ................................................................................................................................................. 169
SPDF Top Cover Sensor ........................................................................................................................................ 169
SPDF Original Set Sensor ...................................................................................................................................... 169
SPDF Registration Sensor ...................................................................................................................................... 170
DFRB...................................................................................................................................................................... 171
SPDF Feed Clutch .................................................................................................................................................. 171
SPDF Feed Sensor ................................................................................................................................................. 172
SPDF Feed Sensor Actuator .................................................................................................................................. 173
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