Turn off the printer.
Open door D.
Remove the ADF pick roller cover.
Remove the ADF pick roller.
Warning—Potential Damage: Some parts of the printer are easily damaged by static electricity. Before touching any parts or components in an area marked with the static‑sensitive symbol, touch a metal surface in an area away from the symbol.
Apply isopropyl alcohol to a soft, lint-free cloth, and then wipe the ADF pick roller..
Insert the ADF pick roller until it clicks into place.
Warning—Potential Damage: Some parts of the printer are easily damaged by static electricity. Before touching any parts or components in an area marked with the static‑sensitive symbol, touch a metal surface in an area away from the symbol.
Insert the ADF pick roller cover until it clicks into place.
Close door D.
Turn on the printer.