44473001TH Rev.1 256 /Oki Data CONFIDENTIAL 7. TROUBLESHOOTING PROCEDURES7.6 Fuse CheckingTable 7-6 MC561/MC361/MC351 Fuse ErrorsFuse Name Error Description Insert Point ResistanceCU/PU board(CLP board)F2 Service Call 128Error08Front fan, hopping motor,registaration clutch, hoppingclutch, MPT clutch, Duplex clutch1Ω or lessF4 Service Call 122 Rear fan, hopping motor,registaration clutch, hoppingclutch, MPT clutch, Duplex clutchF6 Cover open High-voltage board, ID fan, beltmotorF3 • Service Call 121• The operator panelbacklight blackoutPU 5VF5 No display on theoperator panelCU/PU 3.3VF501 • Service Call 131 to 134• Blank page printingLED head 5VHigh-voltageborad (ORZboard)F501 Service Call 121 High-voltage board 24VSU board(MHC board)F1 • Lamp Error• The operator panelbacklight blackoutSU, FAX, OPE, 5VF2 No display on theoperator panelSU, OPE 3.3VF3 Lamp Error CIS 3.3VF4 No display on theoperator panelSU, FAX, 3.3VF501 Lamp Error Clutch, Solenoid, CIS 24VF502 Home Position Error FB/ADF Motor 24V
