C3424: Fusing Heaters Trouble (Soaking Side) - Olivetti d-Color MF651 Service Manual

19. TROUBLE CODE

19.5.117 C3424: Fusing heaters trouble (soaking 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
upper right door.
3 Check the fusing unit, IHPU, MFPB and
DCPU for proper connection and correct or
change as necessary.
4 Change fusing unit
5 Change IHPU
6 Change PRCB
7 Change DCPU
19.5.118 C3425: Fusing heaters trouble (NC sensor)
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
upper right door.
3 Check the fusing unit, IHPU, MFPB and
REDB for proper connection and correct or
change as necessary.
4 Change fusing unit
5 Change IHPU
6 PRCB ICP17 conduction check
7 Change PRCB
8 Change REDB
808
Relevant parts
Action
Relevant parts
Action
Service Manual
Field Service Ver. 2.0 Jul. 2009
IH power supply (IHPU)
DC power supply (DCPU)
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
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IH power supply (IHPU)
Relay drive board (REDB)
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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