Olivetti d-color MF651 User Manual

Field Service Ver. 2.0 Jul. 2009 19. TROUBLE CODE
795
TROUBLESHOOTING
19.5.71 C2253: Color PC drum motor’s failure to turn
19.5.72 C2254: Color PC drum motor’s turning at abnormal timing
19.5.73 C2255: Color developing motor’s failure to turn
19.5.74 C2256: Color developing motor’s turning at abnormal timing
Relevant parts
Color PC drum motor (M16) Printer control board (PRCB)
Step Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1 Check the M16 connector for proper
connection and correct as necessary.
——
2 Check the M16 connector for proper drive
coupling and correct as necessary.
——
3 Check the PRCB connector for proper
connection and correct as necessary.
——
4
M16 operation check
PRCB CN34-8 (REM)
PRCB CN34-11 (LOCK)
K-1
5 Change M16 — —
6 PRCB ICP13 conduction check — —
7 Change PRCB — —
Relevant parts
Color developing motor (M17) Printer control board (PRCB)
Step Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1 Check the M17 connector for proper
connection and correct as necessary.
——
2 Check the M17 connector for proper drive
coupling and correct as necessary.
——
3 Check the PRCB connector for proper
connection and correct as necessary.
——
4
M17 operation check
PRCB CN34-13 (REM)
PRCB CN34-16 (LOCK)
K-1
5 Change M17 — —
6 PRCB ICP13 conduction check — —
7 Change PRCB — —
Y110571-1 Service Manual

Olivetti d-color MF651 Specifications

General

Brand	Olivetti
Model	d-color MF651
Category	Printer
Language	English