C3421: Fusing Heaters Trouble (Heating Side); C3423: Fusing Heaters Trouble (Pressurizing Side) - Konica Minolta bizhub C353P Service Manual

Field Service Ver. 1.0 Oct. 2007
20.5.39

C3421: Fusing heaters trouble (heating side)

20.5.40

C3423: Fusing heaters trouble (pressurizing side)

Fusing unit
Step
Check the fusing unit for correct installation
1
(whether it is secured in position).
Check the open/close operation of the
2
upper right door.
Check the fusing unit, PRCB and DCPU for
3 proper connection and correct or change
as necessary.
4 Change fusing unit
5 Change PRCB
6 Change DCPU
20.5.41 C3461: Release new fusing unit
Fusing unit
Step
Check the fusing unit for correct installation
1
(whether it is secured in position).
Check the fusing unit, PRCB for proper
2 connection and correct or change as
necessary.
3 Reinstall fusing unit
4 Change fusing unit
5 Change PRCB
Relevant parts
Action
Relevant parts
Action
DC power supply (DCPU)
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
—
—
—
—
—
—
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
—
—
—
—
—
20. Malfunction code
Location (Electri-
cal component)
—
—
—
—
—
—
Location (Electri-
cal component)
—
—
—
—
—
443