45376001TH Rev.1 135 /Oki Data CONFIDENTIAL 5. Maintenance Menu5.3 Setups upon completion of part replacementThe adjustments that are required upon completion of part replacement are describedbelow.Replacement parts Adjustment contentsLED head See note. Not requiredDrum cartridges (Y, M, C, K) Not requiredFuser unit Not requiredBelt unit Not requiredPU board 5.3.1 Copying the EEPROM information andutilities are required.SU board Not requiredCU board Refer to "6.1 Removal and Installation of PCBoards/HDD" in the Software Guide.HDDSRAMNote! Refer to the Software Guide for the removal and installation procedures ofthe CU board, HDD, and SRAM board .5.3.1 Precautions when replacing the PU board1. W h e n a c c e s s t o t h e E E P RO M o f t h e b o a r d t o r e m ove i s p o s s i bl e.(When the SERVICE CALL 104 [Engine EEPROM Error] is not displayed:)(1) Obtain the EEPROM information from the board to remove, by using theboard replacement function (Maintenance Utilities Operation Manual section2.4.1.1.9 Board replacement function) of the Maintenance Utilities, and savein the hard disk of PC temporarily.(2) Copy the EEPROM information that has been saved in the hard disk of PCby step (1), into the EEPROM of the new replacement board by using theBoard replacement function (Maintenance Utilities Operation Manual section2.4.1.1.9 Board replacement function) of the Maintenance Utilities.Note! When obtaining and copying the EEPROM information by using theMaintenance Utilities, set the printer into the "Forced ONLINE mode"
