C3101: Fusing Roller Separation Failure - Olivetti d-Color MF651 Service Manual

Field Service Ver. 2.0 Jul. 2009

19.5.110 C3101: Fusing roller separation failure

Roller pressure welding alienation sensor (PS55)
Fusing pressure retraction motor (M29)
Step
1 Check the M29 connector for proper
connection and correct as necessary.
2 PS55 I/O check, sensor check
3 M29 operation check
4 Change M29
5 Change fusing unit
6 Change PRCB
19.5.111 C3102: Fusing roller failure to turn
Heating roller rotation sensor/1 (PS56)
Fusing motor (M30)
Step
1 Check the fusing unit for proper installation
and correct as necessary.
2 Check the M30 connector for proper
connection and correct as necessary.
3 PS56 I/O check, sensor check
4
M30 operation check
5 Change M30
6 Change fusing unit
7 Change PRCB
Y110571-1
Relevant parts
Action
Relevant parts
Action
Service Manual
Printer control board (PRCB)
Fusing unit
WIRING DIAGRAM
Control signal
—
—
PRCB CN8-3 to 4
—
—
—
Printer control board (PRCB)
Fusing unit
WIRING DIAGRAM
Control signal
—
—
PRCB CN22-12 (ON)
PRCB CN9-3 (REM)
PRCB CN9-6 (LOCK)
—
—
—
19. TROUBLE CODE
Location (Electri-
cal component)
—
—
C-16
—
—
—
Location (Electri-
cal component)
—
—
C-17
K-8
—
—
—
805