Konica-Minolta bizhub 750i

Power is not supplied to option DF

Relevant electrical parts

• DC power supply (DCPU)
• DF

Procedure

Step	Check item	Location	Result	Action
1	Is DC24 V being output from CN1DF-1 on DF?	3-K	YES	Malfunction in DF.
2	Is DC24 V being output from CN6-5 on DCPU?	8-T	NO	Check wiring from DCPU to DF
3	Are the fuses on DCPU conducting?		YES	Replace DCPU.
			NO	Malfunction in DF.

Power is not supplied to option FS-539/FS-539SD/FS-540/FS-540SD.7

Relevant electrical parts

• DC power supply (DCPU)
• FS-539/FS-539SD/FS-540/FS-540SD

Procedure

Step	Check item	Location	Result	Action
1	Is DC24 V being output from CN1FS-1?	5-K	NO	Malfunction in finisher.
2	Is DC24 V being output from CN6-6 on DCPU?	8-T	NO	Check wiring from DCPU to finisher.
3	Are the fuses on DCPU conducting?		YES	Replace DCPU.
			NO	Malfunction in finisher.