2-19
Confidential
3.3 LED Display (LED Models)
3.3.1 LED display when operator call occurs
Details of the message can be determined by the combination of the LEDs. Refer to the page 
shown in the "Refer to:" column in the table below to take appropriate measures. Most errors 
are automatically cleared after measures are taken. If not automatically cleared, press the 
[Go] key to reset the machine.
LED status in the table below:  : Unlit : Lit  : Flashing
LED Type of problem
Error 
codes
Refer 
to:
The eject sensor detected that the fuser cover was 
open.
6004 2-35
The eject sensor does not detect paper pass after 
the registration rear sensor detected the paper pass.
7000 2-39
The eject sensor remains ON (paper pass detected) 
even after the registration rear sensor detected the 
end of paper pass.
7100 2-40
When printing from the paper tray, the registration 
front sensor does not detect paper pass within the 
specified time after the paper feed sensor detected 
paper pass.
7300 2-40
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
The eject sensor was ON when the power switch 
was turned ON.
7C00 2-41
First side printing started before finishing receiving 
the second side data in duplex printing mode due to 
the insufficient memory.
8000 2-42
The back cover/duplex tray sensor detected that the 
cover was open when duplex printing is started. 
(Before registering printing data to engine)
8903 2-42
The back cover/duplex tray sensor detected that the 
cover was open during duplex printing. (After 
registering printing data to engine)
8904 2-42
The registration rear sensor detected that the paper 
fed was smaller or larger than the specified size in 
duplex printing mode.
8A01 2-43
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 2-44
A tray set to duplex printing-incompatible size was 
specified in duplex printing.
9701 2-44
There is insufficient memory to expand PC print 
data.
C700 2-45