Kodak Ngenuity 9090DB Operator's Manual page 89

Dust or small pieces of paper may accumulate on these sensors, causing the miss-detection of
the leading or trailing edge of a document, which can cause errors in the scanner. Regular
cleaning of the transport sensors will prevent this from occurring.
W
ARNING
Before performing any maintenance procedures, power OFF the scanner.
W
ARNING
Before performing any maintenance procedures on the scanner, remove all jewelry or any
items from hands or wrists that could become caught on internal scanner components.
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