Hp Laserjet 4100mfp Not Displaying

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  • Dimpo
    Trusted Tech
    • Aug 2009
    • 104
    #1

    Hp Laserjet 4100mfp Not Displaying

    Hi
    Am having a problem with my Hp laserjet 4100mfp printer having a BLANK DISPLAY but the machine initialises>Is there someone who have came acros this problem and how did you solve it?If someone have a technical manual you can email it to nrsmoyo@yahoo.com
    Please help am stuck please.
    Best Regards
    Dimpo
    Tags: blank, display, email, manual, mfp, power supply, printer, stuck, tech, technical
    • kingpd@businessprints.net
      Senior Tech

      500+ Posts
      • Feb 2008
      • 919
      #2
      Can you actually print to it? How about copy?

        Comment

        • prntrfxr
          Service Manager

          1,000+ Posts
          • Apr 2008
          • 1637
          #3
          ADF power supply (not the printer power supply). There is a weakness in these units for the power supply in the ADF to go bad. The display panel plugs into it.
          Life should NOT be a journey to the grave with the intention of arriving safely in an attractive and well-preserved body, but rather to skid in sideways - Coke in one hand - chocolate in the other - body thoroughly used up, totally worn out and screaming "WOO-HOO, what a ride!".

            Comment

            • bojans
              Service Manager

              Site Contributor
              1,000+ Posts
              • Feb 2008
              • 1313
              #4
              I have this one in service. When I remove memory and turn on, it has blank display, but initializes. Could bad memory cause this problem?

                Comment

                • landspeeder
                  Trusted Tech

                  250+ Posts
                  • Feb 2010
                  • 355
                  #5
                  the scanner power supply is the cause, change it and it's fixed....and thats all she wrote!
                  You never realize how cheap a professional is until after you let an amateur do it.... and
                  if this was an easy thing to do then everybody would be doing it! But it isn't and they are not!!

                    Comment

                    • montana
                      Trusted Tech
                      • Aug 2008
                      • 393
                      #6
                      hi...yes it could be a bad memory..i agree with mr.bojans
                      good luck

                        Comment

                        • bojans
                          Service Manager

                          Site Contributor
                          1,000+ Posts
                          • Feb 2008
                          • 1313
                          #7
                          I don't have ADF on this model, it's only printer, and has same problem with blank display.

                            Comment

                            • landspeeder
                              Trusted Tech

                              250+ Posts
                              • Feb 2010
                              • 355
                              #8
                              try another display 1st
                              You never realize how cheap a professional is until after you let an amateur do it.... and
                              if this was an easy thing to do then everybody would be doing it! But it isn't and they are not!!

                                Comment

                                • bojans
                                  Service Manager

                                  Site Contributor
                                  1,000+ Posts
                                  • Feb 2008
                                  • 1313
                                  #9
                                  It happens once in a week

                                    Comment

                                    • landspeeder
                                      Trusted Tech

                                      250+ Posts
                                      • Feb 2010
                                      • 355
                                      #10
                                      loose connection or maybe a cold solder joint
                                      You never realize how cheap a professional is until after you let an amateur do it.... and
                                      if this was an easy thing to do then everybody would be doing it! But it isn't and they are not!!

                                        Comment

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