Routine maintenance, Cleaning the scanner, Routine maintenance -22 – Brother MFC-420CN User Manual
Page 141: Cleaning the scanner -22
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TROUBLESHOOTING AND ROUTINE MAINTENANCE 11 - 22
Routine maintenance
Cleaning the scanner
Unplug the MFC and lift the document cover. Clean the scanner
glass with isopropyl alcohol on a soft lint-free cloth.
Clean the white bar and the glass strip under the film with isopropyl
alcohol on a lint-free cloth.
Document
Cover
White Bar
Glass Strip
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