Troubleshooting
94
8
Controller FW download 
failed
Controller FW could not be 
downloaded.
Turn off the main power, 
turn it back on, and then 
download the controller FW 
again.
If the download fails again, 
contact your sales or service 
representative.
Hardware Problem DIMM There is an abnormality in 
the optional memory on the 
controller.
Turn off the main power, and 
then turn it on again.
If the error occurs again, con-
tact your sales or service rep-
resentative.
Irregular Toner Irregular toner is set. Replace the toner to appro-
priate one.
Load Paper # The indicated tray # (1, 2, by-
pass) is out of paper.
Load paper into the indicat-
ed paper tray.
See p.47 “Loading Paper”.
Load Paper: # or Stop/Start The printer detected that the 
actual paper type and size 
are not the same as the paper 
tray # (1, 2, bypass) size set-
ting and the paper type set-
tings.
Load the indicated tray with 
the correct paper or change 
the paper type / size using 
dial or via the special paper 
size setting menu on the con-
trol panel.
Memory full
Cannot print
This error occurs when FW 
memory is not enough to 
save the printing page.
Add more memory.
Misfeed recovery print failed The print data could not be 
recovered due to insufficient 
memory.
Print again.
Print Overrun The print data could not be 
processed.
Print the job again from a 
higher performance compu-
ter.
Paper Misfeed Duplex Unit There is a paper jam in the 
duplex unit.
Remove the misfed paper.
See p.109 “Removing Misfed 
Paper”.
Remove Misfeed Internal 
Path
There is a paper jam in the 
fusing unit.
Remove Misfeed Tray 1 There is a paper jam in Tray 
1.
Remove Misfeed Tray 2 There is a paper jam in Tray 
2.
Remove Misfeed Bypass 
Tray
There is a paper jam in the 
bypass tray.
Remove Misfeed Paper Exit There is a paper jam in the 
paper exit area.
Message Explanation Recommended Action