Routine maintenance, Cleaning the scanner, Routine maintenance -23 – Brother MFC-640CW User Manual
Page 166: Cleaning the scanner -23
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13 - 23 TROUBLESHOOTING AND ROUTINE MAINTENANCE
Routine maintenance
Cleaning the scanner
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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