Brother PDS-5000 User Manual page 101

Scanner Maintenance
NOTE
In addition to cleaning the glass strips with a non-flammable glass cleaner, run your fingertip over the glass
to see if you can feel anything on it. If you feel dirt or debris, clean the glass again concentrating on that
area. You may need to repeat the cleaning process three or four times. To test, scan a document after
each cleaning attempt.
When there is a spot of dirt or
correction fluid on the glass
strip, the scanned sample
shows a vertical line.
After the glass strip is cleaned
the vertical line is gone.
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