Olivetti d-color MF651, Service Manual, Page: 832 / 1053

19. TROUBLE CODE Field Service Ver. 2.0 Jul. 2009
772
TROUBLESHOOTING
(2) When FS-527+SD-509 is installed
19.5.26 C1124: Sheet feeder up/down drive failure (lower)
Relevant parts
Center fold roller motor (M25) SD drive board (SDDB)
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 M25 for proper
drive coupling, and correct as necessary.
— —
3 M25 operation check SDDB PJ4-1 to 11 SD-509 B-3
4 Change M25 — —
5 Change SDDB — —
6 Change FSCB — —
Relevant parts
Tray lift motor /Lw (M202)
Tray upper limit sensor /Lw (PS209)
Tray lower limit sensor /Lw (PS210) PI drive board (PIDB)
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 M202 for proper
drive coupling, and correct as necessary.
— —
3 PS209 I/O check, sensor check PIDB CN53<A>-8 (ON) PI-505 C to D-8
4 PS210 I/O check, sensor check PIDB CN53<A>-11 (ON) PI-505 C to D-9
5 M202 operation check PIDB CN56-5 to 6 PI-505 C to D-7
6 Change M202 — —
7 PIDB ICP2 conduction check — —
8 Change PIDB — —
9 Change FSCB — —
Service Manual Y110571-1