Olivetti d-color MF651, Service Manual, Page: 821 / 1053

Field Service Ver. 2.0 Jul. 2009 19. TROUBLE CODE
761
TROUBLESHOOTING
19.5.6 C0208: Tray 4 feeder up/down abnormality
19.5.7 C0216: LCT up/down abnormality
Relevant parts
Tray 4 upper limit sensor (PS27)
Tray 4 lift-up motor (M24) Paper feed/transport drive board (PFTDB)
Printer control board (PRCB)
Step Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1 Check the M24 connector for proper con-
nection and correct as necessary. — —
2 Check the connector of M24 for proper
drive coupling and correct as necessary. — —
3 PS27 I/O check, sensor check PFTDB CN18-6 (ON) X-8
4 M24 operation check PFTDB CN14-1 to 2 X-9
5 Change M23 — —
6 Change PFTDB — —
7 Change PRCB — —
Relevant parts
Upper limit sensor (PS2)
Lift-up motor (M1) LU drive board (LUDB)
Step Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1 Check the M1 connector for proper connec-
tion and correct as necessary. — —
2 Check the connector of M1 for proper drive
coupling and correct as necessary. — —
3 PS2 I/O check, sensor check LUDB CN5-3 (ON) LU-204 G-4
4 M1 operation check LUDB CN3-4 (ON) LU-204 G-3
5 Change M1 — —
6 LUDB ICP2 conduction check — —
7 Change LUDB — —
Y110571-1 Service Manual