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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