C5371: Mfp Board Cpu Cooling Fan Motor's Failure To Turn; C6102: Drive System Home Sensor Malfunction; C6103: Slider Over Running - Konica Minolta bizhub C353 Service Manual

Field Service Ver. 3.0 Jan. 2008
16.5.62

C5371: MFP board CPU cooling fan motor's failure to turn

2
MFP board CPU cooling fan motor
Step
Check the MFP board CPU cooling fan
1 motor connector for proper connection and
correct as necessary.
Check the fan for possible overload and
2
correct as necessary.
MFP board CPU cooling fan motor opera-
3
tion check
4 Change MFPB
16.5.63

C6102: Drive system home sensor malfunction

16.5.64

C6103: Slider over running

Scanner home sensor (PS201)
Scanner motor (M201)
Step
Correct or change the scanner drive
1
(cable, pulley, gear, belt) if it is faulty.
Correct the scanner motor set screw if
2
loose.
Adjust [Image Position Leading Edge] and
3
[Feed Direction Adjustment].
Check the PS201, M201, REYB/SCAN and
4 IPB connector for proper connection and
correct as necessary.
5 PS201 I/O check, sensor check
2
6 M201 operation check
2
7 Change REYB/SCAN.
8 Change IPB.
Relevant parts
Action
Relevant parts
Action
MFP board (MFPB)
WIRING DIAGRAM
Control signal
—
—
MFPB PJ20-3 (LOCK)
—
Scanner relay board (REYB/SCAN)
Image processing board (IPB)
WIRING DIAGRAM
Control signal
—
—
—
—
IPB CN11-3 (ON)
REYB/SCAN CN5-4 to 7
—
—
16. Malfunction code
Location (Electri-
cal component)
—
—
Q-23
—
Location (Electri-
cal component)
—
—
—
—
U-8
R-11
—
—
535
2