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Error code 6A00
Electric discharge that may be caused by dirt on the corona wire of the drum unit was detected.
<User Check>
• Slide the green tab of the drum unit to left and right for two to three times to clean the corona wire.
• Clean the electrode of the drum unit. (Refer to Fig. 2-13 (P2-56).)
• Replace the drum unit.
Step
Dirt on the electrodes of the
1
machine
Dirt on the high-voltage power
2
supply PCB terminal
High-voltage power supply PCB
3
failure
4
Main PCB failure
Error code 6F00
Detected that supply power is unstable. (less than 100 times)
<User Check>
• Turn the power switch OFF and then back ON again.
• Use a noise filter on the power supply.
Step
The power supply waveform is
1
incorrect
Error code 7000
After the registration rear sensor detects paper pass, the eject sensor does not detect paper pass.
<User Check>
• Remove the jammed paper.
Step
1
Foreign object inside the machine
Eject actuator coming off or caught
2
in some sections of the machine
3
Fuser cover attachment failure
Connection failure of the eject
4
sensor PCB harness
Damaged fuser drive gear 64R/
5
36R
Damaged gears in the paper
6
feed drive system
7
Eject sensor failure
8
Fuser unit failure
9
Main PCB failure
Cause
Clean the electrodes of the machine.
(Refer to Fig. 2-12 (P2-56).)
Clean the high-voltage power supply PCB
terminal.
Replace the high-voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
Cause
Install a voltage stabilizer in the power
supply part.
Cause
Remove the foreign object.
Reattach the eject actuator.
Reattach the fuser cover.
Reconnect the eject sensor PCB harness.
Replace the fuser drive gear 64R/36R.
Replace the frame L unit.
Replace the eject sensor PCB ASSY.
Replace the fuser unit.
Replace the main PCB ASSY
Remedy
Remedy
Remedy
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