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  1. #1
    Ghoulscout 500+ Posts Kidaver's Avatar
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    Apr 2011
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    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."

  2. #2
    Field Supervisor 500+ Posts Wild Bill's Avatar
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    Jul 2005
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    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!


  3. #3
    Master Of The Obvious 10,000+ Posts
    Solenoid on HP 4350

    blackcat4866's Avatar
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    Jul 2007
    Lapeer, Michigan
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    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.

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

  4. #4
    Senior Tech 250+ Posts mjunkaged's Avatar
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    Feb 2009
    Seattle, WA
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    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!!

  5. #5
    teacher-guide-expert-guru 2,500+ Posts
    Solenoid on HP 4350

    zoraldinho's Avatar
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    Mar 2008
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    Re: Solenoid on HP 4350

    It's not a bad printer, but I do not see them often anymore.Thanks for sharing!

    Practice makes perfect
    If it ain't broke, don't fix it
    A picture is worth a thousand words
    If you want something done right, you have to do it yourself


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