Printed Circuits Behind the Power Box............................................................................................393
IPU..............................................................................................................................................................393
BCU............................................................................................................................................................394
When installing the new BCU..........................................................................................................394
Replacing the NVRAM (EEPROM) on the BCU.............................................................................395
Controller Board........................................................................................................................................396
NVRAMs on the controller board...................................................................................................397
HDD............................................................................................................................................................401
Adjustment after replacement..........................................................................................................402
Imaging IOB..............................................................................................................................................402
HVP_TTS.....................................................................................................................................................403
PSU (AC Controller Board)......................................................................................................................404
PSU (DC Power)........................................................................................................................................404
Paper Transport IOB.................................................................................................................................405
HVP-CB......................................................................................................................................................406
When removing the HVP-CB together with its bracket..................................................................409
Fans/Filters.....................................................................................................................................................411
Odor Filter..................................................................................................................................................411
Development Intake Fan/Right................................................................................................................411
Development Intake Fan/Left...................................................................................................................412
Ozone Exhaust Fan...................................................................................................................................413
Paper Exit Cooling Fan.............................................................................................................................413
Fusing Exhaust Heat Fan...........................................................................................................................414
Toner Supply Cooling Fan........................................................................................................................415
PSU Cooling Fan.......................................................................................................................................416
Power Box Cooling Fan............................................................................................................................417
Image Adjustment..........................................................................................................................................418
Auto Color Calibration.............................................................................................................................418
Printer Gamma Correction........................................................................................................................418
Copy Mode.......................................................................................................................................419
Printer Mode.....................................................................................................................................423
Color Registration......................................................................................................................................424
Check the occurrence of color registration errors..........................................................................424
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