2-16
Confidential
Error 
Codes
Description
Refer 
to:
Error 
Codes
Description
Refer 
to:
5406 --- 6300 ---
5502 --- 6400 ---
5602 --- 6602 ---
5702 --- 6701 ---
5801 --- 6801
The side thermistor detected a 
temperature higher than the specified 
value.
2-43
5802 --- 6802 ---
5902 --- 6901
Some fuser unit errors occurred at 
power-ON or upon recovery from sleep 
mode.
2-43
5A02 --- 6902
After the error was detected at the 
fuser unit, power was turned ON again 
and the error is being checked. (If 
power is turned OFF and ON after 
error code 6901 occurred, this code is 
displayed for about 15 minutes.)
2-43
5B02 --- 6A00
Electric discharge that may be caused 
by dirt on the corona wire of the drum 
unit was detected.
2-44
5C02 --- 6B01 ---
5D02 --- 6B02 ---
5E00
New toner box sensor could not detect 
the new toner box correctly.
2-39 6B03 ---
6001
The front cover sensor detected that 
the front cover was open.
2-40 6B04 ---
6002 --- 6B0A ---
6003 --- 6C01 ---
6004
The eject sensor detected that the 
fuser cover was open.
2-40 6C02 ---
6007 --- 6C03 ---
6101
The new toner sensor detected that no 
toner cartridge was set.
2-41 6C04 ---
6102 --- 6D00 ---
6103 --- 6E00 ---
6104 --- 6F00
Detected that supply power is 
unstable. (less than 100 times)
2-44
6106
The new toner box sensor detected 
that no toner box was set.
2-41 7000
After the registration rear sensor 
detects paper pass, the eject sensor 
does not detect paper pass.
2-44
6200
Detected that the drum unit was not set 
by detecting the electrodes current.
2-41
7001 ---
6201 --- 7002 ---
6202 --- 7003 ---
6203 --- 7004 ---
6204 --- 7100
After the registration rear sensor 
detects the end of paper pass and the 
specified period of time has passed, 
the eject sensor continues to detect 
paper pass.
2-45
6208 --- 7101 ---
6209 --- 7102 ---
620A --- 7103 ---