Fusing Heaters Do Not Operate - Konica Minolta bizhub c20 Service Manual

19. Power supply troubles

19.3 Fusing heaters do not operate

Front door switch (SW2)
Right door switch (SW3)
Fuser unit
Step
Is the power source voltage being applied
to CN_SIG 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 CN_SIG on DCPU?
352
Relevant electrical parts
Check item
Field Service Ver. 1.0 Sep. 2008
DC power supply (DCPU)
Location (electri-
Result
cal component)
J-1 NO
YES Change fuser unit.
I-2
NO
Action
Check wiring from
power outlet to PG1 to
CN1DCPU.
Change DCPU.