Turn off the printer.
Open the ADF top cover.
Remove the separator roller cover.
Remove the separator roller.
Apply water to a soft, lint-free cloth, and then wipe the roller kit.
Insert the separator roller.
Insert the separator roller cover until it clicks into place.
Remove the separator roller assembly.
Apply water to a soft, lint-free cloth, and then wipe the roller kit.
Insert the separator roller assembly until it clicks into place.
Close the ADF top cover.
Turn on the printer.