16. Malfunction code
16.5.57
C5353: Cooling fan motor/2's failure to turn
Cooling fan motor/2 (FM2)
Step
Check the FM2 connector for proper
1
connection and correct as necessary.
Check the fan for possible overload and
2
correct as necessary.
3
FM2 operation check
2
4
Change FM2
5
Change PRCB
16.5.58
C5354: Exhaust fan motor's failure to turn
Exhaust fan motor (FM4)
Step
2
Check the FM4 connector for proper
1
connection and correct as necessary.
Check the fan for possible overload and
2
correct as necessary.
3
FM4 operation check
4
Change FM4
5
Change MFPB
532
2
Relevant parts
Action
Relevant parts
Action
Field Service Ver. 4.0 Jun. 2008
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
—
—
PRCB CN28-2 (ON)
PRCB CN28-3 (LOCK)
—
—
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
—
—
PRCB CN3-14 (ON)
PRCB CN3-16 (LOCK)
—
—
Location (Electri-
cal component)
—
—
D-26
—
—
Location (Electri-
cal component)
—
—
D-6
—
—