Drum/Toner Reset Procedures > Dell Drum Reset Procedures
With the printer on, press and hold the CANCEL button until all lights flash in sequence then release the CANCEL button.
With the printer door open and the drum unit in place, hold the "RESET" button until all the lights start flashing then release them.
Install the toner cartridge into the new/remanufactured drum unit. With the front door still open, press and hold the "X" button for 5 seconds. All lights will cycle through then it is reset. ON models with a display "RESTTING PC COUNTER" appears in the d...