Epson GT-S50 - Cleaning the Separation Pad; Cleaning the Paper Feed Roller

Wipe off all remaining liquid with a soft, dry, lint-free cloth.
Make sure that the rollers are completely dry before using the scanner.
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Cleaning the Separation Pad
Open the scanner cover. See Opening the Scanner Cover for instructions.
Wipe the separation pad downward with a lint-free cloth dampened with water and thoroughly wrung out.
Caution:
Be careful not to get the cloth caught on the pick spring.
Wipe off all remaining liquid with a soft, dry, lint-free cloth.
Make sure that the separation pad is completely dry before using the scanner.
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Cleaning the Paper Feed Roller
Open the scanner cover. See Opening the Scanner Cover for instructions.
Wipe the roller lightly with a lint-free cloth dampened with water and thoroughly wrung out.