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Troubleshooting
159
5
Cover is Open The top cover is not closed
completely.
Close the top cover of the machine.
The fuser cover is not closed
completely or paper was jammed in
the back of the machine when you
turned on the power.
Close the fuser cover located inside the back
cover of the machine.
Make sure paper is not jammed inside the back of
the machine, and then close the fuser cover and
press Go (see Paper is jammed at the back of the
machine on page 167).
Drums End Soon The 4 drum units are near the end of
their life.
Order a new drum unit set now so a replacement
drum unit will be available when the LCD shows
Replace Drums (see Drums End Soon
on page 119).
Drum End Soon: X
(X shows the toner
cartridge or drum unit
color that must be
replaced. BK=Black,
C=Cyan, M=Magenta,
Y=Yellow.)
The drum unit for the color indicated
on the LCD is near the end of its life.
Order a new drum unit for the color indicated on the
LCD before you get a Replace Drum: X message.
Drum! The corona wire on the drum unit
needs to be cleaned.
Clean all four corona wires (one for each color) inside
the drum unit by sliding the green tab (see Cleaning
the corona wires on page 143).
The drum unit or the toner cartridge
and drum unit assembly is not
installed correctly.
Remove the toner cartridge and drum unit assembly,
remove the toner cartridge from the drum unit, and
reinstall the toner cartridge back into the drum unit.
Reinstall the toner cartridge and drum unit assembly
back in the machine. If the problem continues,
replace the toner cartridge (see Replacing the toner
cartridges on page 111).
Drum Stop It is time to replace the drum unit. Replace the drum unit for the color indicated on the
LCD (see Replacing the drum units on page 121).
Fuser Error The temperature of the fuser unit
does not rise to a specified
temperature within the specified
time.
Turn the machine off, wait a few seconds, and then
turn it on again. Leave the machine for 15 minutes
with the power on.
The fuser unit is too hot.
Jam 2-sided The paper is jammed underneath
the paper tray or the fuser unit.
See Paper is jammed underneath the Paper Tray
on page 165.
Jam Inside The paper is jammed inside the
machine.
See Paper is jammed inside the machine
on page 169.
The toner cartridge was placed in
the machine without the drum unit.
Put the toner cartridge into the drum unit, and then
reinstall the toner cartridge and drum unit assembly in
the machine.
Jam Manual Feed The paper is jammed in the manual
feed slot of the machine.
See Paper is jammed in the manual feed slot
on page 163.
Error message Cause Action