Solenoid on HP 4350

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  • Kidaver
    Ghoulscout

    500+ Posts
    • Apr 2011
    • 912

    #1

    Solenoid on HP 4350

    I had a LJ 4350 that would pull an extra page after any print job over 2 or 3 pages but would never throw a jam code. I didn't find anything on here but did find the solution on an HP forum and thought I'd share it with everyone. On the front right side near the gear assy is a little solenoid. It's black with 2 black wires and an L arm plate with small spring. The pad on the solenoid under that plate will wear down and the adhesive resin will cause that L plate to stick and feed an extra sheet of paper that will jam up underneath the drum. So just a heads up if anyone comes across this. Just clean up the L plate and solenoid surface and place some electrical tape there. Also I don't know what it is with HP but why do the torque down the easiest to strip screws in their machines!
    "In a cruel and evil world, being cynical can allow you to get some entertainment out of it."
  • Wild Bill
    Senior Tech

    500+ Posts
    • Jul 2005
    • 774

    #2
    Re: Solenoid on HP 4350

    Going further its the same with 2300, 4000, 4050, 4100, 4250 4350, P4515, 4700 and many others have that same issue why they use foam that deteriorates like that IDK.

    Thank you!
    Izzy

    Comment

    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 22933

      #3
      Re: Solenoid on HP 4350

      Good find. Don't forget this one. You'll see it again. =^..^=
      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

      • mjunkaged
        Trusted Tech

        250+ Posts
        • Feb 2009
        • 379

        #4
        Re: Solenoid on HP 4350, STRIPPING screws......

        Hi; if you don't already own "ACR" (anti-camout-ribbed) screwdriver bits (#2 Philips), I'd URGE y'all to buy a bag full....I don't hardly ever get STUCK (pun intended) on screws any longer, unless some DOLT rammed it in too tight with one of them! I bought mine from Katun, I think but I know snap-on tools makes 'em.

        Also, the sticky solenoids were invented by Samsung, so HP probably started using them so we techs. wouldn't lose our sweet cushy HP service jobs!!

        Comment

        • zoraldinho
          teacher-guide-expert-guru

          Site Contributor
          5,000+ Posts
          • Mar 2008
          • 5000

          #5
          Re: Solenoid on HP 4350

          It's not a bad printer, but I do not see them often anymore.Thanks for sharing!
          If it ain't broke, don't fix it
          A picture is worth a thousand words

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