Replaced Drum Cartridge - Alarm light still on and still says "replace Drum Cartridge. How do I reset?
Hello,
Try this procedure, it should help fix the problem,
Turn Printer off. While holding down Enter and Menu keys, power the printer on. You should see PCU Diag Mode displayed. Hit Menu key 6 times till Counter Set is displayed. Hit Enter key Dev xxxxx displayed, left 3 numbers are blinking. Hit (down triangle symbol) till numbers are 000. Hit Menu key, right 2 numbers are blinking. Hit (down triangle symbol) till numbers are 00. Hit Menu key. Drm xxxxx displayed, left 3 numbers are blinking Repeat steps 7-10. Dev tm xxxxx displayed. Repeat steps 7-10. Drm xxxxx displayed. Repeat steps 7-10. Life xxx displayed. Life should be set to 005. Hit Menu key. TNL xxx displayed. TNL level should be between 90-110, if you have problems, try changing TNL. Hit Enter key Counter Set is displayed. Hold down Form Feed key and insert blank paper into manual feed slot. You should get a beep confirming reset. Power printer down and back up, you are done.
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