C8102: Turn Around Pressure Welding Alienation Trouble - Olivetti d-Color MF651 Service Manual

Field Service Ver. 2.0 Jul. 2009

19.5.161 C8102: Turn around pressure welding alienation trouble

Switchback roller pressure/retraction motor (M5)
Reverse roller sensor (PS7)
Step
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 PS7 I/O check, sensor check
4 DFCB F9 conduction check
5 M5 operation check
6 Change M5
7 DFCB PS2 conduction check
8 Change DFCB
19.5.162 C8103: Lift up mechanism trouble (Upward movement)
Lift-up motor (M6)
Lift-up upper sensor (PS16)
Step
1 Check the motor and sensor connectors for
proper connection, and correct as neces-
sary.
2 Check the connector of M6 for proper drive
coupling, and correct as necessary.
3 PS16 I/O check, sensor check
4 M6 operation check
5 Change M6
6 Change DFCB
Y110571-1
Relevant parts
Action
Relevant parts
Action
Service Manual
DF control board (DFCB)
WIRING DIAGRAM
Control signal
—
—
REYB PJ3-3 (ON)
—
DFCB PJ6-10 to 11
—
—
—
DF control board (DFCB)
WIRING DIAGRAM
Control signal
—
—
DFCB PJ11-3 (ON)
DFCB PJ5-6 to 7
—
—
19. TROUBLE CODE
Location (Electri-
cal component)
—
—
DF-618
K to L-10
—
DF-618 I-7
—
—
—
Location (Electri-
cal component)
—
—
DF-618 B-6
DF-618 I-7 to 8
—
—
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