Turn off the printer.
Open door D.
Warning—Potential Damage: To prevent damage from electrostatic discharge, touch any exposed metal frame of the printer before accessing or touching interior areas of the printer.
Remove the ADF separator roller cover.
Remove the used ADF separator roller.
Unpack the new ADF separator roller.
Warning—Potential Damage: To avoid damage and poor printer performance, handle this part with clean hands.
Insert the new ADF separator roller until it clicks into place.
Insert the ADF separator roller cover until it clicks into place.
Close the door.
Turn on the printer.