Olivetti d-color MF651, Service Manual, Page: 754 / 1053

17. JAM DISPLAY Field Service Ver. 2.0 Jul. 2009
694
TROUBLESHOOTING
17.3.29 Code: 72-23
17.3.30 Code: 72-25 / 72-26
(1) When FS-526+SD-508 is installed
(2) When FS-527+SD-509 is installed
Relevant parts
Sub tray exit sensor (PS8) FS control board (FSCB)
Step Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1 Initial check items — —
2 PS8 I/O check, sensor check FSCB CN21<B>-3 (ON) FS-526 L-8
3 Change FSCB — —
Relevant parts
Exit motor (M34)
Fold sensor (PS27) SD drive board (SDDB)
FS control board (FSCB)
Step Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1 Initial check items — —
2 PS27 I/O check, sensor check SDDB CN406<A>-14 (ON) SD-508 K-9
3 M34 operation check FSCB CN42-1 to 12 SD-508 G-3 to 4
4 Change SDDB — —
5 Change FSCB — —
Relevant parts
Paper detection sensor/2 (PS44) SD drive board (SDDB)
FS control board (FSCB)
Step Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1 Initial check items — —
2 PS44 I/O check, sensor check SDDB PJ13-2 (ON) SD-509 G-3
3 Change SDDB — —
4 Change FSCB — —
Service Manual Y110571-1