Open door A.
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 toner cartridge.
Remove the imaging unit.
Remove the used transfer roller.
CAUTION—HOT SURFACE: The inside of the printer might be hot. To reduce the risk of injury from a hot component, allow the surface to cool before touching it.
Unpack the new transfer roller.
Insert the new transfer roller until it clicks into place.
Insert the imaging unit.
Insert the toner cartridge.
Close the door.