Field Service Ver. 1.0 Jun. 2008
17. Malfunction code
309
T
roubleshooting
17.5.39
C3821: Fusing abnormally low temperature detection (heating side)
17.5.40
C3823: Fusing abnormally low temperature detection (pressurizing side)
17.5.41
C4151: Polygon motor rotation trouble (C)
17.5.42
C4152: Polygon motor rotation trouble (M)
17.5.43
C4153: Polygon motor rotation trouble (Y)
17.5.44
C4154: Polygon motor rotation trouble (K)
Relevant parts
Fusing unit
DC power supply (DCPU)
Printer control board (PRCB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Check the fusing unit for correct installation
(whether it is secured in position).
—
—
2
Check the open/close operation of the
upper right door.
—
—
3
Check the fusing unit, PRCB and DCPU for
proper connection and correct or change
as necessary.
—
—
4
Change fusing unit
—
—
5
Change PRCB
—
—
6
Change DCPU
—
—
Relevant parts
PH unit
PH relay board (REYBPH)
Printer control board (PRCB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Check the connector for proper connection
and correct as necessary.
—
—
2
Change PH unit
—
—
3
Change REYB/PH
—
—
4
Change PRCB
—
—
d
-Color
M
F
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Y109660-1 Sevice Manual