Fusing Heaters Do Not Operate - Konica Minolta bizhub C25 Service Manual

Field Service Ver. 1.1 May 2011

19.3 Fusing heaters do not operate

Main power switch (SW1)
Right door switch (SW3)
Fuser unit
Step
1 Is the power source voltage applied across
CN1 on DCPU?
2 Is the power source voltage applied across
CN2 on DCPU?
Relevant parts
Check item
19. POWER SUPPLY TROUBLE
DC power supply (DCPU)
Printer control board (PRCB)
WIRING
DIAGRAM Result
(Location)
E-6 NO Check the wiring from the
wall outlet to inlet to SW1
to CN1DCPU.
C-6 YES Change fuser unit.
NO Check the wiring from the
CN3DCPU to PJ3PRCB.
Change DCPU.
Change PRCB.
Action
303