fuser lamp testing

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  • MPM2140
    Technician
    • Mar 2010
    • 13
    #1

    [Electrical] fuser lamp testing

    How do I test a fuser lamp on a DP1820 ?
    Have an E4-01, lamp or thermistor
    Tags: 820, bad, check, door, dp1820, est, fuser, fuser lamp, fuser reset, hot, lamp, lamps, measure, meter, normal, replaced, reset, roller, test, thermistor, toner, ufr
    • 20gaugeO/U
      Senior Tech

      500+ Posts
      • Feb 2009
      • 551
      #2
      Probably thermistor and/or the UFR has a layer of scum on it and needs to be replaced also. You can meter the lamp when it's out of the machine.

        Comment

        • mojorolla
          The Wolf

          2,500+ Posts
          • Jan 2010
          • 2551
          #3
          If you cheat the door interlock you should be able to see the lamps illuminate. It is most likely the thermistor. I have seen very few bad lamps on these.
          Failing to plan is planning to fail!!!

            Comment

            • delboy10
              Technician

              Site Contributor
              • Jun 2010
              • 43
              #4
              Also, check to see any build up toner on the thermistor, make sure the thermistor is touching the hot roller. You can also measure the resistance of the thermistor. It is about 1.47 M ohms in normal condition.

                Comment

                • suckis
                  Trusted Tech
                  100+ Posts
                  • Dec 2006
                  • 165
                  #5
                  Did you try to LPB fuser reset?
                  ! RTFM !
                  My site: http://www.e-club.gr/

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