Konica-Minolta bizhub C250i

Power is not supplied to option DF-704/DF-629

Relevant electrical parts

• DC power supply (DCPU)
• DF-714/DF-632

Procedure

Step	Check item	Location	Result	Action
1	Is DC24 V being output from CN1DF-1 on DF?	3-K	YES	Malfunction in DF-714/DF-632.
2	Is DC24 V being output to CN5-5,6 on DCPU?	22-T	NO	Check wiring from DCPU to DF-714/ DF-632.
3	Are the fuses on DCPU conducting?		YES	Replace DCPU.
			NO	Malfunction in DF-714/DF-632.

Power is not supplied to option PC-110/PC-115/PC-210/PC-215/PC-410/PC-415

Relevant electrical parts

• DC power supply (DCPU)
• Base board (BASEB)
• PC-116/PC-216/PC-416

Procedure

Step	Check item	Location	Result	Action
1	Is DC24 V being output from CN65?	26-D	YES	Malfunction in cabinet.
2	Is DC24 V being output to CN29E-1 on BASEB?	26-F	NO	Check wiring from DCPU to BASEB to cabinet.
3	Are the fuses on DCPU conducting?		YES	Replace DCPU.
			NO	Malfunction in cabinet.

Power is not supplied to option FS-533/FS-534

Relevant electrical parts

• DC power supply (DCPU)
• FS-533

Procedure

Step	Check item	Location	Result	Action
1	Is DC24 V being output from CN1FS-1?	6-K	NO	Malfunction in finisher.
2	Is DC24 V being output to CN4-5 on DCPU?	17-R	NO	Check wiring from DCPU to finisher.
3	Are the fuses on DCPU conducting?		YES	Replace DCPU.
			NO	Malfunction in finisher.

Power is not supplied to option FS-536/FS-536SD/FS-537/FS-537SD

Relevant electrical parts

• DC power supply (DCPU)
• FS-536/FS-536SD

Procedure

Step	Check item	Location	Result	Action
1	Is DC24 V being output from CN1FS-1?	6-K	NO	Malfunction in finisher.
2	Is DC24 V being output from CN4-5 on DCPU?	17-R	NO	Check wiring from DCPU to finisher.
3	Are the fuses on DCPU conducting?		YES	Replace DCPU.
			NO	Malfunction in finisher.