

TROUBLESHOOTING AND ROUTINE MAINTENANCE
12 - 4
Original jams
Based upon where the original is jammed, follow the appropriate set 
of instructions to remove it.
Original is jammed in the top of the ADF unit.
1
Take out any paper from 
the ADF that is not 
jammed.
2
Lift the ADF cover.
3
Pull the jammed original 
out to the left.
4
Close the ADF cover.
5
Press
Stop/Exit
.
Paper Jam
The paper is jammed in the MFC.
on page 12-6 or
Paper is jammed in the duplex tray 
(For MFC-8640D, MFC-8840D and 
MFC-8840DN)
Toner Empty
Toner cartridge is not installed.
ā
OR
ā
Toner is used up and printing is not possible.
Reinstall the toner cartridge.
ā
OR
ā
Replace the toner cartridge with a 
new one. (See 
Toner Low
If the LCD shows
Toner Low
, you can still
print, however the MFC is telling you that the 
toner will soon run out.
Order a new toner cartridge now.
ERROR MESSAGES
ERROR 
MESSAGE
CAUSE
ACTION