2-25
Confidential
Self-Diagnostic Turn the power off, 
then on again. Leave 
the machine for 15 min.
An error occurred in the fuser unit 
when the power switch was turned 
ON or sleep mode was released.
6901 2-42
Will Automatically 
Restart within 15 
minutes.
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.)
6902 2-42
Size Error 2-sided Press Stop[x]. Specify 
the correct paper and 
load the same size 
paper as Printer driver 
setting.
The registration rear sensor 
detected that the paper fed was 
smaller or larger than the specified 
size in duplex printing mode.
8A01 2-47
Specify the correct 
paper and press 
[Retry].
A tray set to duplex printing-
incompatible size was specified in 
duplex printing.
9701 2-50
Size mismatch Fax received. Set 
correct paper size in 
menu.
The paper size setting for the 
machine is other than A4, Letter, 
Legal or Folio when receiving fax.
8E01 2-48
Reload correct paper. Detected that the size of the paper 
set to paper tray was over 10 mm 
shorter than letter size when 
receiving fax or printing a list/
report.
8E02 2-48
Reload correct paper 
in Tray, then press 
[Retry].
When printing from the paper tray, 
the size of paper set in the paper 
tray does not match the size 
specified by the driver.
9002 2-49
Supplies Drum End Soon The number of rotations of the 
drum unit is reaching the upper 
limit.
4000 2-38
Replace Drum The number of rotations of the 
drum unit has reached the upper 
limit. (Printing does not stop.)
4200 2-38
Replace Toner
Dot count or develop roller counter of 
the toner has reached the upper limit 
in the toner continuous printing 
mode.
4D01 2-39
Toner Low Dot count or develop roller counter 
of the toner is reaching the upper 
limit.
4B01 2-38
Toner Ended
Open the Front Cover, 
replace Toner Cartridge.
The toner cartridge has reached the 
upper limit in the toner continuous 
printing mode.
4E01 2-39
Touchscreen 
Initialisation 
Failed
Remove any material 
which is on the 
touchscreen.
An error occurred while initializing 
the touch panel. D800 2-56
Error Messages
Description
Error 
codes
Refer 
to:
Upper line Lower line