Open the front door.
Remove the imaging unit.
Twist the blue latch, and then remove the used toner cartridge from the imaging unit.
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.
Open the front door.
Remove the used imaging unit.
Twist the blue latch, and then remove the toner cartridge from the used imaging unit.
Unpack the new imaging unit, and then insert the toner cartridge until it clicks into place.
Insert the new imaging unit.
Close the door.
Turn off the printer.
Unplug the power cord from the electrical outlet, and then from the printer.
Open the front door.
Remove the imaging unit.
Close the front door.
Remove the tray.
Position the printer on its side.
Remove the used pick roller assembly.
Unpack the new pick roller assembly.
Insert the new pick roller assembly.
Place the printer in its original position, and then insert the tray.
Open the front door.
Insert the imaging unit.
Close the front door.
Connect the power cord to the printer, and then to the electrical outlet.
Turn on the printer.
Remove the tray, and then remove the used separator roller.
Unpack the new separator roller.
Insert the new separator roller.
Insert the tray.
Open door C.
Remove the used ADF separator pad.
Unpack the new ADF separator pad.
Insert the new separator pad until it clicks into place.
Close the door.
From the home screen, touch Settings > Device > Maintenance > Configuration Menu > Supply Usage And Counters .
Select the counter that you want to reset.