HP Laserjet II / Apple Laserwriter II Help

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  • joeventura
    Technician
    • Nov 2022
    • 11
    #1

    [Misc] HP Laserjet II / Apple Laserwriter II Help

    My apple laserwriter II which uses the same Canon engine as the HP Laserjet II is making me nuts.

    I was DOA when I got it, now its running because I:

    I have:
    • Replaced the power supply
    • Replaced the fuser
    • Replaced the take up roller
    • Installed new toner cartridge

    Unfortunately from the pic, I cannot get rid of the horizontal line that goes across each print.
    The problem does not follow the toner cartridge or the fuser and adjusting the density wheel just makes the marks lighter or darker but does not eliminate them.
    Whether the paper is fed from tray or single sheet it still persists.
    Anything else I can clean/adjust/replace?
    Thanks for any help!

    IMG_3798.jpg
    Tags: apple, cartridge, fuser, replaced, toner
    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 22930
      #2
      Re: HP Laserjet II / Apple Laserwriter II Help

      It looks like toner worms to me. That is, there is a fiber or string or something dragging along the primary charge roller making those interesting patterns. That fiber might be in the frame or the paper path or in the AIO toner cartridge ... anywhere within reach of the primary charge roller. =^..^=
      If you'd like a serious answer to your request:
      1) demonstrate that you've read the manual
      2) demonstrate that you made some attempt to fix it.
      3) if you're going to ask about jams include the jam code.
      4) if you're going to ask about an error code include the error code.
      5) You are the person onsite. Only you can make observations.

      blackcat: Master Of The Obvious =^..^=

        Comment

        • joeventura
          Technician
          • Nov 2022
          • 11
          #3
          Re: HP Laserjet II / Apple Laserwriter II Help

          Originally posted by blackcat4866
          It looks like toner worms to me. That is, there is a fiber or string or something dragging along the primary charge roller making those interesting patterns. That fiber might be in the frame or the paper path or in the AIO toner cartridge ... anywhere within reach of the primary charge roller. =^..^=
          Yes I think you are on to something there because I started getting out the can of air and blasting everything, uncovered some of the rollers in the paper path and wiped them down.
          Seems to have improved greatly 80% better.

          Thanks for taking the time to reply!

            Comment

            • blackcat4866
              Master Of The Obvious

              Site Contributor
              10,000+ Posts
              • Jul 2007
              • 22930
              #4
              Re: HP Laserjet II / Apple Laserwriter II Help

              You're welcome. Thanks for posting back. =^..^=
              If you'd like a serious answer to your request:
              1) demonstrate that you've read the manual
              2) demonstrate that you made some attempt to fix it.
              3) if you're going to ask about jams include the jam code.
              4) if you're going to ask about an error code include the error code.
              5) You are the person onsite. Only you can make observations.

              blackcat: Master Of The Obvious =^..^=

                Comment

                • joeventura
                  Technician
                  • Nov 2022
                  • 11
                  #5
                  Re: HP Laserjet II / Apple Laserwriter II Help

                  IMG_4080.jpg
                  What am I doing on New Years eve? Trying to resurrect this Laserwriter II

                  I have replaced the fuser, the power supply, the laser scanner.

                  This is what a test page is looking like.

                  UGH!

                  Any ideas?!?!

                    Comment

                    • Phil B.
                      Field Supervisor

                      10,000+ Posts
                      • Jul 2016
                      • 22798
                      #6
                      Re: HP Laserjet II / Apple Laserwriter II Help

                      Originally posted by joeventura
                      [ATTACH=CONFIG]56137[/ATTACH]
                      What am I doing on New Years eve? Trying to resurrect this Laserwriter II

                      I have replaced the fuser, the power supply, the laser scanner.

                      This is what a test page is looking like.

                      UGH!

                      Any ideas?!?!
                      toner cart.

                        Comment

                        • slimslob
                          Retired

                          Site Contributor
                          25,000+ Posts
                          • May 2013
                          • 36826
                          #7
                          Re: HP Laserjet II / Apple Laserwriter II Help

                          Originally posted by Phil B.
                          toner cart.
                          What I definitely see is offsetting, either drum or fusing unit.

                          Are you talking about the HP Laser Jet Series II or a color laser jet?

                          The Series II was introduced in 1987. I haven't worked on one of those since I was in Iraq in 2005. HP no longer manufactures parts for them. Any cartridges yo get now are going to be rebuilt, or most likely just reloaded with toner.

                            Comment

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