Olivetti d-color MF651, Service Manual, Page: 824 / 1053

19. TROUBLE CODE Field Service Ver. 2.0 Jul. 2009
764
TROUBLESHOOTING
19.5.13 C1081: SD communication error
19.5.14 C1102: Main tray Up/Down motor malfunction
Relevant parts
SD drive board (SDDB)
FS control board (FSCB)
Step Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Disconnect and then connect the power
cord. Turn OFF the main power switch, wait
for 10 sec. or more, and turn ON the main
power switch.
— —
2 Rewrite the firmware. — —
3 Change SDDB — —
4 Change FSCB — —
Relevant parts
Main tray lift motor (M5)
Main tray top surface sensor (PS4)
Staple paper exit top surface sensor (PS7) 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 M5 for proper drive
coupling, and correct as necessary.
— —
3 PS4 I/O check, sensor check FSCB CN20<B>-18 (ON) FS-526 L-14
4 PS7 I/O check, sensor check FSCB CN20<B>-15 (ON) FS-526 L-14
5 M5 operation check FSCB CN22-1 to 11 FS-526 K-5
6 Change M5 — —
7 FSCB ICP1 conduction check — —
8 Change FSCB — —
Service Manual Y110571-1