Ricoh MP C307

6
Paper Exit Clutch, Reverse Clutch .................................................................................................................. 311
Duplex .................................................................................................................................................................. 314
Duplex Unit ..................................................................................................................................................... 314
Duplex Entrance Sensor .................................................................................................................................. 318
Duplex Exit Sensor .......................................................................................................................................... 319
Right Cover Switch ......................................................................................................................................... 321
Electrical Components ......................................................................................................................................... 322
Electrical Components Overview ................................................................................................................... 322
HDD ................................................................................................................................................................ 323
Controller Board .............................................................................................................................................. 324
BiCU ................................................................................................................................................................ 328
Controller Box ................................................................................................................................................. 330
PSU (AC), PSU (DC) ...................................................................................................................................... 334
AC Detection Board ........................................................................................................................................ 337
Power Pack (Development) ............................................................................................................................. 337
Power Pack (Transfer) ..................................................................................................................................... 339
PSU Fan ........................................................................................................................................................... 339
PCDU Cooling Fan ......................................................................................................................................... 340
Fusing Fan ....................................................................................................................................................... 341
Temperature/Humidity Sensor ........................................................................................................................ 342
Image Creation Temperature Sensor ............................................................................................................... 342
Interlock Switches ........................................................................................................................................... 343
DC Switch ....................................................................................................................................................... 344
5. System Maintenance .......................................................................................................................................... 346
Service Program Mode ........................................................................................................................................ 346
SP Tables ......................................................................................................................................................... 346
Firmware Update (SD Card) ............................................................................................................................... 347
Overview ......................................................................................................................................................... 347
Firmware Type ................................................................................................................................................ 347
Procedure ......................................................................................................................................................... 349
Error Screens During Updating ....................................................................................................................... 352
Firmware Update (Remote Firmware Update).................................................................................................... 358
RFU Performable Condition ........................................................................................................................... 358
Firmware Update (Smart Firmware Update) ...................................................................................................... 359
Overview ......................................................................................................................................................... 359
Immediate Update ........................................................................................................................................... 360
Update at the Next Visit (Reserve) ................................................................................................................. 362
Update via SD card ......................................................................................................................................... 368
Firmware Update (Auto Remote Firmware Update) .......................................................................................... 371