2-14
Confidential
Error 
codes
Description
Refer 
to:
Error 
codes
Description
Refer 
to:
4F03 ― 6200 ―
4F04 ― 6201 ―
5001 ― 6202 ―
5002 ― 6203 ―
5003 ― 6204 ―
5004 ― 6208 ―
5005 ― 6209 ―
5100 ― 620A ―
5200 ― 6300 ―
5301 ― 6400 ―
5302 ― 6602 ―
5401 ― 6701 ―
5402 ― 6801
The side thermistor of the fuser unit or 
the internal temperature sensor 
detected a temperature higher than 
the specified value.
2-41
5406 ― 6802 ―
5502 ― 6901
An error occurred in the fuser unit 
when the power switch was turned 
ON or sleep mode was released.
2-42
5602 ― 6902
Rechecking the error after the power 
switch was turned OFF and then ON 
again because an error was detected 
in the fuser unit. (This message is 
displayed for approximately 15 
minutes when the machine is 
restarted after error code 6901 has 
occurred.)
2-42
5702 ― 6A00
Detected discharge that may be 
attributable to dirty corona wire on the 
drum unit.
2-43
5801 ― 6B01 ―
5802 ― 6B02 ―
5902 ― 6B03 ―
5A02 ― 6B04 ―
5B02 ― 6B0A ―
5C02 ― 6C01 ―
6001
The front cover sensor detected that 
the front cover was open.
2-40
6C02 ―
6002 ― 6C03 ―
6003 ― 6C04 ―
6004
The eject sensor detected that the 
fuser cover was open.
2-40
6D00 ―
6007 ― 6E00 ―
6101
The new toner sensor detected that 
the toner cartridge was not set.
2-41 6F00
Detected irregular power supply for 
less than 100 times.
2-44
6102 ― 7000
The eject sensor does not detect 
paper pass after the registration rear 
sensor detected the paper pass.
2-44
6103 ― 7001 ―
6104 ― 7002 ―