C5358: Power Supply Cooling Fan Motor/2'S Failure To Turn; C6102: Drive Home Sensor Malfunction; C6103: Slider Over Run - Konica Minolta bizhub C250 Service Manual

Field Service Ver. 3.0 Aug. 2006
16.5.67

C5358: Power Supply Cooling Fan Motor/2's failure to turn

Power Supply Cooling Fan Motor/2 (M9)
Step
Check the connector of motor for proper
1
connection and correct as necessary.
Check the fan for possible overload and
2
correct as necessary.
M9 operation check
3
4 Change PWB-M
16.5.68

C6102: Drive Home Sensor malfunction

16.5.69

C6103: Slider Over Run

Scanner Home Sensor (PC201)
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 PC201, M201, PWB-IC and
4 PWB-C connector for proper connection
and correct as necessary.
5 PC201 I/O check, Sensor check
M201 operation check
6
7 Change PWB-IC.
8 Change PWB-C.
Relevant Electrical Parts
Action
Relevant Electrical Parts
Action
Mechanical Control Board (PWB-M)
WIRING DIAGRAM
Control Signal
—
—
PWB-M CNLP-15 (ON)
PWB-M CNLP-16 (LOCK)
—
Scanner Motor Drive Board (PWB-IC)
Image Processing Board (PWB-C)
WIRING DIAGRAM
Control Signal
—
—
—
—
PWB-C PJ11C-8 (ON)
PWB-IC PJ3IC-1 (REM)
PWB-IC PJ3IC-3 (LOCK)
—
—
16. Malfunction code
Location (Electri-
cal Component)
—
—
C-9
—
Location (Electri-
cal Component)
—
—
—
—
T-13
Y-7
—
—
457