2-16
Confidential
3.2 Error Messages
First line Second line Description
Error 
codes
Refer 
to:
Cartridge Error Put the Toner 
Cartridge back in.
The new toner sensor could not 
detect the new toner cartridge 
correctly.
4F01 2-34
Connection Error ― Multiple access points were found 
as a result of the access point 
search.
--- 4.5.2
Connection Fail ― Connection failed although the 
access point was found as a result 
of the access point search.
--- 4.5.2
Cooling Down Wait for a while The side thermistor of the fuser 
unit detected a temperature higher 
than the specified value.
6801 2-36
Cover is Open Close the Front Cover. The front cover sensor detected 
that the front cover was open.
6001 2-35
Close the Fuser Cover 
which can be found 
behind the Back Cover 
of the machine.
The eject sensor detected that the 
fuser cover was open.
6004 2-35
Make sure there is no 
paper jammed inside 
the machine and close 
the Back Cover, then 
press Go.
The eject sensor was ON when 
the power switch was turned ON.
7C00 2-41
Drum ! Slide the Green tab on 
Drum Unit.
Detected discharge that may be 
attributable to dirty corona wire on 
the drum unit.
6A00 2-38
Drum End Soon ― The number of rotations of the 
drum unit is reaching the upper 
limit.
4000 2-33
Jam 2-sided Pull out the Duplex 
Tray at the back of the 
machine and remove 
the jammed paper.
The registration front sensor does 
not detect paper pass within the 
specified time after the first side 
was printed in duplex printing 
mode.
7700 2-41
Jam Inside Open the Front Cover, 
pull out the Drum Unit 
completely and 
remove the jammed 
paper.
The eject sensor does not detect 
paper pass after the registration 
rear sensor detected the paper 
pass.
7000 2-39
Jam Rear Open the Back Cover 
and remove the 
jammed paper, then 
press Go.
The eject sensor remains ON 
(paper pass detected) even after 
the registration rear sensor 
detected the end of paper pass.
7100 2-40