Konica Minolta bizhub C360 Service Manual page 709

19. TROUBLE CODE
19.5.82 C3921: Fusing sensor wire breaks detection (Heating side)
19.5.83 C3923: Fusing sensor wire breaks detection (Pressurizing side)
Fusing unit
Step
1 Check the fusing unit for correct installation
(whether it is secured in position).
2 Check the open/close operation of the right
door.
3 Check the fusing unit, DCPU and PRCB for
proper connection and correct or change
as necessary.
4 Change fusing unit
5 Change PRCB
6 Change DCPU
19.5.84 C4101: Polygon motor rotation trouble
PH unit
Step
1 Check the connector between PH unit-
PHREYB CN6 for proper connection and
correct as necessary.
2 Check the connector between PHREYB
CN3-PRCB CN26 for proper connection
and correct as necessary.
3 Change PH unit
4 PHREYB ICP1 conduction check
5 Change PHREYB
6 Change PRCB
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Relevant parts
Action
Relevant parts
Action
Field Service Ver. 2.1 Feb. 2012
DC power supply (DCPU)
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
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PH relay board (PHREYB)
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
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Location (Electri-
cal component)
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Location (Electri-
cal component)
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