Brother MFC 9840CDW User Manual download pdf (Page 169)

Troubleshooting and routine maintenance

153

C

e Wipe the inside of the paper tray with a

dry, lint-free 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 C

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 a non-

flammable glass cleaner.

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 a non-flammable glass

cleaner.

d 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.

Note

In addition to cleaning the scanner glass

and glass strip with a non-flammable glass

cleaner, run your finger tip over the glass

to see if you can feel anything on it. If you

feel dirt or debris, clean the glass again

concentrating on that area. You may need

to repeat the cleaning process three or

four times. To test, make a copy after each

cleaning.

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