45376001TH Rev.1 200 /Oki Data CONFIDENTIAL 7. Troubleshooting and repair procedureIf the following error is issued, check the corresponding fuse of the PU/SU control boardand high voltage power supply board.(Refer to Table 7-6.)Table 7-6 Fuse errorFuseNameError DescriptionInsert Point ResistanceWhen booting After boot upPUboardF1 No error.L C D d i s p l a y swarimng Up.Scanner,copy,printer notworkDuplex,2nd/3rd/4th tray+24VLess than1 ΩF2 It repeats boot start ↑ 3.3V DC powerF4 It remains the bootscreen↑ Duplex,2nd/3rd tray+5VF5 S/C:C0A2 ↑ Interlock,low powersupply, Fuser fanF6 No error, Bootnormaly↑ Hopping clutch,pulsemotorF7 S/C:C05A ↑ clutch,ID FAN,+24VF8 S/C:CE82 ↑ LED Head +3.3VF9 No error Scanner works normally.printer:miss-print(whitepaper)LED Head +5VF10 No error Scanner ,copy,printerworks normallyStapler +24VSUboardF1 No error ADF not work, Flatbedscanner works normallyADF motor +24VF2 Attention lampturns on.3 beeps sound.Booting looksnormally, but it doesnot work.Scanner,copy,printer notworkFlatbedmotor,Clutch,solenoidF3 It remains the bootscreen.↑ SU Controller7.6 Fuse check