15.3 Fusing Heaters Do Not Operate - Konica Minolta Bizhub-C31P Service Manual

15. Power supply troubles

15.3 Fusing heaters do not operate

Safety switch/Fr (S2)
Safety switch/Rt (S3)
Fuser unit
Step
Is the power source voltage being applied
to CN1 on DCPU?
1
The front door and right door should in
closed position at this time.
Is the power source voltage being applied
2
to CN2 on DCPU?
220
Relevant electrical parts
Check item
Field Service Ver. 1.0 Apr. 2008
DC power supply (DCPU)
Location (electri-
Result
cal component)
H to I-4 NO
YES Change fuser unit.
H to I-3
NO
Action
Check wiring from
power outlet to PG1 to
CN1DCPU.
Change DCPU.