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Confidential
Error code 6001
The front cover sensor detected that the front cover was open.
<User Check>
• Close the front cover.
Error code 6004
The eject sensor detected that the fuser cover was open.
<User Check>
• Close the fuser cover.
Step Cause Remedy
1
Connection failure of the front
cover sensor harness
Reconnect the front cover sensor
harness.
2 Front cover failure Replace the front cover.
3 Front cover sensor failure Replace the front cover sensor.
4 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Eject actuator coming off or
caught in some sections of the
machine
Reattach the eject actuator.
2 Fuser cover attachment failure Reattach the fuser cover.
3
Connection failure of the eject
sensor PCB harness
Reconnect the eject sensor PCB harness.
4 Eject sensor PCB failure Replace the eject sensor PCB ASSY.
5 Main PCB failure Replace the main PCB ASSY.