Ricoh D143 Field Service Manual page 16

Controller Box closed.......................................................................................................................316
Behind the IOB, FCU and G3 Interface Unit..................................................................................317
Controller Box Open........................................................................................................................ 317
Controller Unit........................................................................................................................................... 318
Controller Box Right Cover.......................................................................................................................318
Controller Box............................................................................................................................................319
When opening the controller box................................................................................................... 319
When removing the controller box................................................................................................. 320
IOB (In/Out Board).................................................................................................................................. 323
IPU.............................................................................................................................................................. 324
BCU............................................................................................................................................................ 325
When installing the new BCU..........................................................................................................326
PSU............................................................................................................................................................. 327
Shutdown Board............................................................................................................................... 327
PSU bracket.......................................................................................................................................328
PSU board.........................................................................................................................................329
PSU fans............................................................................................................................................ 329
ITB Power Supply Board...........................................................................................................................330
High Voltage Supply Board..................................................................................................................... 331
High Voltage Supply Board Bracket....................................................................................................... 331
AC Controller Board................................................................................................................................. 332
AC Controller Board Bracket................................................................................................................... 332
Controller Board........................................................................................................................................333
When installing the new controller board...................................................................................... 335
HDD Fan.................................................................................................................................................... 336
When installing the HDD fan........................................................................................................... 336
HDD............................................................................................................................................................336
When installing a new HDD unit..................................................................................................... 338
Toner Bottle Detection Board................................................................................................................... 338
NVRAM Replacement Procedure............................................................................................................ 339
NVRAM on the BCU........................................................................................................................ 339
NVRAM on the controller board.....................................................................................................340
Tube Cooling Fan (1st Duct Fan)............................................................................................................. 341
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