Olivetti d-color MF651, Service Manual, Page: 839 / 1053

Field Service Ver. 2.0 Jul. 2009 19. TROUBLE CODE
779
TROUBLESHOOTING
19.5.39 C1143: Side-staple rewinding paddle up-down motor malfunction
19.5.40 C1144: Spare stacker board drive motor malfunction
Relevant parts
Rewind paddle motor (M18)
Rewind paddle home sensor (PS16) FS control board (FSCB)
Step Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Check the motor and sensor connectors for
proper connection, and correct as neces-
sary.
— —
2
Check the connector of M18 for proper
drive coupling, and correct as necessary.
— —
3 PS16 I/O check, sensor check FSCB CN21<A>-6 (ON) FS-526 L-7
4 M8 operation check FSCB CN14<B>-1 to 4 FS-526 D-6
5 Change M8 — —
6 Change FSCB — —
Relevant parts
Stacker plate motor (M17)
Stacker plate home sensor (PS11) FS control board (FSCB)
Step Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Check the motor and sensor connectors for
proper connection, and correct as neces-
sary.
— —
2
Check the connector of M17 for proper
drive coupling, and correct as necessary.
— —
3 PS11 I/O check, sensor check FSCB CN20<A>-12 (ON) FS-526 L-12
4 M17 operation check FSCB CN18-1 to 2 FS-526 D-12
5 Change M17 — —
6 FSCB ICP9 conduction check — —
7 Change FSCB — —
Y110571-1 Service Manual