Fujitsu Ricoh Fujitsu fi-7900 Image Scanner User Manual
Page 133

e
From the gap where the glass was attached, clean the other layer of glass inside,
using a cotton swab or something alike.
f
After cleaning, place the glass that you removed back to its original place.
g
Fasten the screw to fix it in place.
HINT
Vertical streaks may appear on the scanned image when the glass is dirty.
Daily Care
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