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Confidential
■ Error code 58
Error code 59
Fuser unit error.
■ Error code 5A
High-voltage power supply PCB transfer error.
This error does not usually occur in the normal use. The conceivable causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
<User Check>
- Turn OFF the power switch, and turn it ON again after a while.
Fuser Error
Turn the power off, then on again. Leave the machine for 15 min.
Self-Diagnostic
Will Automatically Restart within 15 minutes.
Step Cause Remedy
1 Harness connection failure
between fuser unit connector and
paper eject sensor PCB ASSY
Check the harness connection between
the fuser unit connector and paper eject
sensor PCB ASSY, and reconnect it.
2 Harness connection failure
between fuser unit connector and
low-voltage power supply PCB
ASSY
Check the harness connection between
the fuser unit connector and low-voltage
power supply PCB ASSY, and reconnect
it.
3 Fuser unit failure Replace the fuser unit.
4 Paper eject sensor PCB failure Replace the paper eject sensor PCB
ASSY.
5 Low-voltage power supply PCB
failure
Replace the low-voltage power supply
PCB ASSY.
6 Engine PCB failure Replace the engine PCB ASSY.
7 Main PCB failure Replace the main PCB ASSY.
Print Unable 5A
Turn the power off and then back on again.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
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