Open the front door.
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 imaging unit.
Twist the blue latch, and then remove the used toner cartridge from the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems.
Warning—Potential Damage: Do not touch the photoconductor drum. Doing so may affect the quality of future print jobs.
Unpack the new toner cartridge.
Shake the toner cartridge to redistribute the toner.
Insert the new toner cartridge into the imaging unit until it clicks into place.
Insert the imaging unit.
Close the door.