Resetting the DR 520 DRUM
Note: Your printer or fax machine must be reset after you install a new drum. Your printer or fax machine will not recognize that a new drum has been installed until it has been reset.
Laser Printers: Make sure the machine is on and the drum LED is blinking. Open the front cover. Press and hold the GO button for 4 seconds until all the LEDs light up. Once all the LEDs are lit, release the GO button. Close the front cover. The counter is reset.
Fax/MFP Machines: Open the front cover. Press the CLEAR/BACK button.
Press 1. When the display shows Accepted, close the front cover. The counter is reset.
