Cleaning the scanner glass- Page 133

Brother MFC-7840W User's Guide

Table of Contents

USER’S GUIDE MFC-7340 MFC-7345N MFC-7440N MFC-7840W
Section II: Fax
Section V:Appendixes
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Troubleshooting and routine maintenance

119

B

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 reconnect 
all cables and telephone line cord. Turn 
on the machine’s power switch.

Cleaning the scanner glass

B

a

Turn off the machine’s power switch. 
Unplug the telephone line cord first, 
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

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

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