C4101: Polygon Motor Rotation Trouble; C4301: Cooling Fan Motor Failure - Konica Minolta bizhub C650 Service Manual

Field Service Ver. 8.0 Jun. 2008
16.5.83

C4101: Polygon motor rotation trouble

PH unit
Step
Check the connector for proper connection
1
and correct as necessary.
2 Change PH unit
3 Change REYB/PH
4 Change PRCB
16.5.84 C4301: PH cooling fan motor failure to turn
PH cooling fan motor (FM14)
Step
Check the FM14 connector for proper con-
1
nection and correct as necessary.
Check the fan for possible overload and
2
correct as necessary.
3 FM14 operation check
4 Change FM14
5 Change REYB/PH
6 Change DCPU
Relevant parts
Action
Relevant parts
Action
PH relay board (REYB/PH)
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
—
—
—
—
PH relay board (REYB/PH)
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
—
—
REYB PH CN4REYB PH-1
(REM)
REYB PH CN4REYB PH-3
(LOCK)
—
—
—
16. Malfunction code
Location (Electri-
cal component)
—
—
—
—
Location (Electri-
cal component)
—
—
B-7
—
—
—
663