2-67
Confidential
■ 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.
■ 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 Cause Remedy
1
The power supply waveform is 
incorrect
Install a voltage stabilizer in the power 
supply part.
Step Cause Remedy
1
Foreign object inside the 
machine
Remove the foreign object.
2
Eject actuator coming off or 
caught in some sections of the 
machine
Reattach the eject actuator.
3 Fuser cover attachment failure Reattach the fuser cover.
4
Connection failure of the eject 
sensor harness
Reconnect the eject sensor harness.
5 Damaged fuser drive gear Z25 Replace the fuser drive gear Z25.
6
Damaged gears in the process 
drive system
Replace the process drive unit.
7
Damaged gears in the paper 
feed drive unit
Replace the paper feed drive unit.
8 Eject sensor failure Replace the eject sensor PCB.
9 Fuser unit failure Replace the fuser unit.
10 Main PCB failure Replace the main PCB.