17. Malfunction code
Field Service Ver. 1.0 Jun. 2008
312
T
roubleshooting
17.5.53
C5357: Cooling fan motor/1’s failure to turn
17.5.54
C6102: Drive system home sensor malfunction
Relevant parts
Cooling fan motor/1 (FM16)
Printer control board (PRCB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Check the FM16 connector for proper
connection and correct as necessary.
—
—
2
Check the fan for possible overload and
correct as necessary.
—
—
3
FM16 operation check
PRCB CN22-4 (ON)
PRCB CN22-6 (LOCK)
K-7
4
Change FM16
—
—
5
Change PRCB
—
—
Relevant parts
Home position sensor (PS201)
Scanner motor (M201)
BCRU board (BCRUB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Correct or change the scanner drive
(wire, pulley, gear, belt) if it is faulty.
—
—
2
Correct the scanner motor set screw if
loose.
—
—
3
Check the PS201, M201 and BCRUB con-
nector for proper connection and correct as
necessary.
—
—
4
PS201 I/O check, sensor check
BCRUB CN6-5 (CRG1SNS)
U-20 to 21
5
M201 operation check
BCRUB CN4-1 to 4
U-21
6
Change M201.
—
—
7
Change BCRUB.
—
—
d-Color MF201
Service Manual Y109660-1