17. Malfunction code
Field Service Ver. 1.0 Jun. 2008
300
T
roubleshooting
17.5.5
C2253: Color PC motor’s failure to turn
17.5.6
C2254: Color PC motor’s turning at abnormal timing
17.5.7
C225D: Color dev. unit engagement/disengagement failure
Relevant parts
Color PC motor (M3)
Printer control board (PRCB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Check the M3 connector for proper
connection and correct as necessary.
—
—
2
Check the M3 connector for proper drive
coupling and correct as necessary.
—
—
3
Check the PRCB connector for proper
connection and correct as necessary.
—
—
4
M3 operation check
PRCB CN28-9 (REM)
PRCB CN28-11 (LOCK)
C to D-23 to 24
5
Change M2
—
—
6
Change PRCB
—
—
Relevant parts
Color dev. unit engaged motor (M4)
Color dev. unit engaged position sensor (PS19)
Printer control board (PRCB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Check the M4 connector for proper
connection and correct as necessary.
—
—
2
Check the M4 connector for proper drive
coupling and correct as necessary.
—
—
3
Check the PRCB connector for proper
connection and correct as necessary.
—
—
4
PS19 I/O check, sensor check
PRCB CN33-18 (ON)
C to D-10
5
M4 operation check
PRCB CN33-20 (REM)
C to D-10
6
Change M4
—
—
7
Change PRCB
—
—
d-Color MF201
Service Manual Y109660-1