2-61
Confidential
■ Error code 6004
The eject sensor detected that the fuser cover was open.
<User Check>
• Close the fuser cover.
■ Error code 6101
Developing terminal voltage detected that the toner cartridge (black) was not installed.
Error code 6102
Developing terminal voltage detected that the toner cartridge (yellow) was not installed.
Error code 6103
Developing terminal voltage detected that the toner cartridge (magenta) was not installed.
Error code 6104
Developing terminal voltage detected that the toner cartridge (cyan) was not installed.
<User Check>
• Set the toner cartridge correctly.
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 harness
Reconnect the eject sensor harness.
4 Eject sensor PCB failure Replace the eject sensor PCB.
5 Main PCB failure Replace the main PCB.
Step Cause Remedy
1
Dirt on the developing terminal of
the machine
Clean the developing terminal of the
machine.
(Refer to Fig. 2-6 (P2-63).)
2
High-voltage power supply PCB
failure
Replace the high-voltage power supply
PCB.
3 Main PCB failure Replace the main PCB.
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