Operation Manual

Error Message Cause Action
Replace Drum
It is time to replace the drum unit. Replace the drum unit with a new one.
See Related Information: Replace the Drum
Unit.
The drum unit counter was not
reset when a new drum was
installed.
Reset the drum unit counter.
See the instructions included with the new
drum unit.
Replace Toner
The toner cartridge is at the end of
its life. The machine stops all print
operations.
Replace the toner cartridge with a new one.
Self-Diagnostic
The temperature of the fuser unit
does not rise to a specified
temperature within the specified
time.
Press and hold to turn the machine off,
wait a few seconds, and then turn it on again.
Leave the machine idle for 15 minutes with the
power on.
The fuser unit is too hot.
Size Error
The paper size defined in the
printer driver is not supported by
the defined tray.
Choose a paper size supported by the defined
tray.
Size Error DX
The paper size specified in the
machine's paper size setting is not
available for automatic 2-sided
printing.
Press and hold Go for about two seconds (if
required).
Load the correct size of paper in the tray and
set the tray for that paper size.
Choose a paper size supported by 2-sided
printing.
Paper size available for automatic 2-sided
printing is A4.
The paper in the tray is not the
correct size and is not available
for automatic 2-sided printing.
Size Mismatch
The paper in the tray is not the
correct size.
Load the correct size of paper in the tray
indicated on the LCD and set the size of paper
for the tray. Press Go.
Toner Ended
It is time to replace the toner
cartridge.
Replace the toner cartridge with a new one.
Toner Low
If the LCD displays this message,
you can still print. The toner
cartridge is near the end of its life.
Order a new toner cartridge now so you have
it ready when the LCD displays Replace
Toner.
Related Information
• Troubleshooting
Related Topics:
• Replace Supplies
• Replace the Drum Unit
• Clean the Corona Wire
159