Olivetti d-color MF651, Service Manual, Page: 764 / 1053

17. JAM DISPLAY Field Service Ver. 2.0 Jul. 2009
704
TROUBLESHOOTING
17.3.55 Code: 75-42
17.3.56 Code: 75-43
Relevant parts
Paper exit sensor (PS39)
Paper pass sensor (PS202) Transport control board (TRCB)
FS control board (FSCB)
Step Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1 Initial check items — —
2 PS39 I/O check, sensor check PFTDB CN4-12 (ON)
d-Color MF
65
1
/55
1
Q-5
3 PS202 I/O check, sensor check TRCB CN206-2 (ON) FS-526 P to Q-2
4 Change TRCB — —
5 Change FSCB — —
Relevant parts
Paper pass sensor (PS202) Transport control board (TRCB)
FS control board (FSCB)
Step Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1 Initial check items — —
2 PS202 I/O check, sensor check TRCB CN206-2 (ON) FS-526 P to Q-2
3 Change TRCB — —
4 Change FSCB — —
Service Manual Y110571-1