

Troubleshooting and routine maintenance
63
B
b
Pull the paper tray completely out of the 
machine.
c
Wipe the outside of the machine with a 
soft cloth to remove dust.
d
Remove anything that is stuck inside the 
paper tray.
e
Wipe the inside and the outside of the 
paper tray with a soft cloth to remove 
dust.
f
Re-load the paper and put the paper tray 
firmly back in the machine.
g
Plug the machine’s power cord back into 
the AC power outlet first, and then 
reconnect all cables. Turn on the 
machine’s power switch.
Cleaning the scanner glass
B
a
Turn off the machine’s power switch. 
Disconnect all cables and then unplug 
the power cord from the AC power 
outlet.
b
Lift the document cover (1).
Clean the white plastic surface (2) and 
scanner glass (3) underneath it with a 
soft lint-free cloth moistened with water.
c
(DCP-7040 only) In the ADF unit, clean 
the white bar (1) and the scanner glass 
strip (2) underneath it with a soft lint-free 
cloth moistened with water.
1
3
2
1
2