Cleaning The Scanner Glass - Brother  HL-4140CN User Manual

e
Wipe the inside and the outside of the
paper tray with a dry, lint-free 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 electrical socket first, and connect all
cables. Turn on the machine.
Routine maintenance

Cleaning the scanner glass

a
Turn off the machine. Disconnect all
cables, and then unplug the power cord
from the electrical socket.
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.
1
2
A
3
A
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