Brother MFC-7820N - Manual (Page 109)

Troubleshooting and routine maintenance
11 - 22
11
2
Wipe the outside of the MFC with a soft
cloth to remove dust.
3
Remove anything that is stuck inside the
paper tray.
4
Wipe the inside of the paper tray with a
soft cloth to remove dust.
5
Re-load the paper and put the paper tray
firmly back in the MFC.
Cleaning the scanner glass
Turn off the MFC’s power switch and lift the
document cover. Clean the scanner glass
and white plastic and white film above it with
isopropyl alcohol on a soft lint-free cloth.
In the ADF unit, clean the white plastic bar
and the scanner glass under the white bar
with isopropyl alcohol on a lint-free cloth.
Scanner Glass
White Plastic Document
Cover
Glass Strip
White
Plastic Bar