Routine maintenance, Cleaning the scanner, Routine maintenance -18 – Brother MFC-3420C User Manual
Page 165: Cleaning the scanner -18
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13 - 18 TROUBLESHOOTING AND ROUTINE MAINTENANCE
Routine maintenance
Cleaning the scanner
Unplug the MFC and lift the document cover. Clean the scanner
glass and the white film with isopropyl alcohol on a soft lint-free cloth.
Open the document cover. Clean the white film and the glass strip
under the film with isopropyl alcohol on a lint-free cloth.
Document
Cover
White Film
White film
Glass Strip
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