C2254: Color Pc Motor Turning At Abnormal Timing; C2255: Color Developing Motor Failure To Turn; C2256: Color Developing Motor Turning At Abnormal Timing - Konica Minolta bizhub C450 Service Manual

Field Service Ver. 1.0 Mar. 2005
16.6.15

C2254: Color PC Motor turning at abnormal timing

Color PC Drum Motor (M5)
Step
1 M5 operation check
2 Change PWB-MC
16.6.16

C2255: Color Developing Motor failure to turn

Color Developing Motor (M6)
Step
Check the connector of motor for proper connection
1
and correct as necessary.
Check the connector of motor for proper drive cou-
2
pling and correct as necessary.
Check the PU-1 connector for proper connection
3
and correct as necessary.
M6 operation check
4
5 Change PU-1
16.6.17

C2256: Color Developing Motor turning at abnormal timing

Color Developing Motor (M6)
Step
M6 operation check
1
2 Change PWB-MC
Relevant Electrical Parts
Control Board (PWB-MC)
Action
Relevant Electrical Parts
DC Power Supply (PU1)
Action
Relevant Electrical Parts
DC Power Supply (PU1)
Action
16. Malfunction code
WIRING DIAGRAM
Control Signal
PWB-MC PJ33MC-10 (REM)
PWB-MC PJ33MC-13 (LOCK)
—
WIRING DIAGRAM
Control Signal
—
—
PU1 PJ5PU1-11 (DC24 V)
PWB-MC PJ3MC-3 (REM)
PWB-MC PJ3MC-6 (LOCK)
—
WIRING DIAGRAM
Control Signal
PWB-MC PJ3MC-3 (REM)
PWB-MC PJ3MC-6 (LOCK)
—
Location
(Electrical
Component)
C to D-
18 to 19
—
Location
(Electrical
Component)
—
—
P-5
K-15
—
Location
(Electrical
Component)
K-15
—
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