Brother MFC-9660 Owner's Manual page 136

ERROR MESSAGE
PAPER JAM
PLS CLEAN DRUM
PLS OPEN COVER
TONER EMPTY
CAUSE
The recording paper is jammed in the
machine.
The primary corona wire of drum unit
is dirty.
A page, piece of paper or paper clip,
etc. may be jammed inside the
machine.
Toner is used up and printing is not
possible, or toner cartridge is not
installed into the drum unit.
ACTION
See Paper Jam, page 128.
Clean the primary corona wire of
drum unit. (See Cleaning the
Drum Unit, page 141.)
Open the front cover. If you see
any jammed paper or other item,
gently pull it out, then close the
front cover. If the error message
remains, open and close the front
cover again.
If the machine cannot reset itself
and return to the date and time
prompt, it will display MACHINE
ERROR XX. Please call your
Brother dealer for service.
Replace the toner cartridge with a
new one, or install the toner
cartridge into the drum unit. (See
Replacing the Toner Cartridge,
page 142.)
Troubleshooting and Maintenance
127