C225D: Color Dev. Unit Engagement/Disengagement Failure; C2351: K Toner Suction Fan Motor's Failure To Turn - Konica Minolta Magicolor 8650 Service Manual

14. Malfunction code
14.5.10

C225D: Color dev. unit engagement/disengagement failure

Color dev. unit engaged motor (M10)
Color dev. unit engaged position sensor (PS26)
Step
Check the M10 connector for proper
1
connection and correct as necessary.
Check the M10 connector for proper drive
2
coupling and correct as necessary.
Check the PRCB connector for proper
3
connection and correct as necessary.
4 PS26 I/O check
5 M10 operation check
6 Change M10
7 Change PRCB
14.5.11

C2351: K toner suction fan motor's failure to turn

Toner suction fan motor (FM3)
Step
Check the FM3 connector for proper con-
1
nection and correct as necessary.
Check the fan for possible overload and
2
correct as necessary.
3 FM3 operation check
4 Change FM3
5 Change PRCB
318
Confidential – for internal use only, do not distribute
Relevant parts
Action
Relevant parts
Action
Field Service Ver. 2.0 Nov. 2007
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
—
—
—
PRCB CN39PRCB-18 (ON)
PRCB CN39PRCB-12 (REM)
—
—
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
—
—
PRCB CN30PRCB-7 (ON)
PRCB CN30PRCB-9 (LOCK)
—
—
Location (Electri-
cal component)
—
—
—
D-24
D-24
—
—
Location (Electri-
cal component)
—
—
K-7 to 8
—
—