C2251: K Pc Motor Failure To Turn; C2252: K Pc Motor Turning At Abnormal Timing; C2253: Color Pc Motor Failure To Turn - Konica Minolta bizhub C450 Service Manual

16. Malfunction code
16.6.12

C2251: K PC Motor failure to turn

K PC Motor (M7)
Step
Check the connector of motor for proper connec-
1
tion and correct as necessary.
Check the connector of motor for proper drive
2
coupling and correct as necessary.
Check the PWB-MC connector for proper con-
3
nection and correct as necessary.
M7 operation check
4
5 Change PWB-MC.
16.6.13

C2252: K PC Motor turning at abnormal timing

K PC Motor (M7)
Step
M7 operation check
1
2 Change PWB-MC.
16.6.14

C2253: Color PC Motor failure to turn

Color PC Drum Motor (M5)
Step
Check the connector of motor for proper connec-
1
tion and correct as necessary.
Check the connector of motor for proper drive
2
coupling and correct as necessary.
Check the PWB-MC connector for proper con-
3
nection and correct as necessary.
M5 operation check (C0018)
4
5 Change PWB-MC
348
Relevant Electrical Parts
Control Board (PWB-MC)
Action
Relevant Electrical Parts
Control Board (PWB-MC)
Action
Relevant Electrical Parts
Control Board (PWB-MC)
Action
Field Service Ver. 1.0 Mar. 2005
WIRING DIAGRAM
Control Signal
—
—
PWB-MC PJ2MC-3 (DC24 V)
PWB-MC PJ33MC-3 (REM)
PWB-MC PJ33MC-6 (LOCK)
—
WIRING DIAGRAM
Control Signal
PWB-MC PJ33MC-3 (REM)
PWB-MC PJ33MC-6 (LOCK)
—
WIRING DIAGRAM
Control Signal
—
—
PWB-MC PJ2MC-7 (DC24 V)
PWB-MC PJ33MC-10 (REM)
PWB-MC PJ33MC-13 (LOCK)
—
Location
(Electrical
Component)
—
—
H-2
C to D-18
—
Location
(Electrical
Component)
C to D-18
—
Location
(Electrical
Component)
—
—
H-2
C to D-
18 to 19
—