C3101: Fusing Roller Separation Failure; C3102: Fusing Roller Failure To Turn - Konica Minolta bizhub C650 Service Manual

Field Service Ver. 8.0 Jun. 2008
16.5.55

C3101: Fusing roller separation failure

Roller pressure welding alienation sensor (PS55)
Fusing pressure retraction motor (M29)
Step
Check the M29 connector for proper
1
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
16.5.56

C3102: Fusing roller failure to turn

Heating roller rotation sensor/1 (PS56)
Heating roller rotation sensor/2 (PS57)
Fusing motor (M30)
Step
Check the fusing unit for proper installation
1
and correct as necessary.
Check the M30 connector for proper
2
connection and correct as necessary.
3 PS56 I/O check, sensor check
4 PS57 I/O check, sensor check
5 M30 operation check
6 Change M30
7 Change fusing unit
8 Change PRCB
Relevant parts
Action
Relevant parts
Action
Printer control board (PRCB)
Fusing unit
WIRING DIAGRAM
Control signal
—
PRCB CN8PRCB-14 (ON)
PRCB CN8PRCB-1 to 2 (ON)
—
—
—
Printer control board (PRCB)
Fusing unit
WIRING DIAGRAM
Control signal
—
—
PRCB CN25PRCB-11 (ON)
PRCB CN25PRCB-14 (ON)
PRCB CN7PRCB-3 (REM)
PRCB CN7PRCB-6 (LOCK)
—
—
—
16. Malfunction code
Location (Electri-
cal component)
—
C-13
C-12
—
—
—
Location (Electri-
cal component)
—
—
C-17
C-17
K-7
—
—
—
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