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canon scanner repair

Discussion in 'Electronic Repair' started by Papcina, May 15, 2006.

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  1. Papcina

    Papcina Guest


    I have a problem with my Canon Canoscan LiDE 20 scanner...
    while scanning just god dead and nothin happened... tried reinstalling
    drivers and plugging in different usb ports but none worked..
    so, I will open it to see if smthg burned in it.. do u have any idea
    or exact suggestion where/what to look or?


  2. Papcina

    Papcina Guest

    I thought that the head was blocked, and it seems that it was..
    so I put it on the correct position, but the usb notifies me just for
    a sec that I have it plugged and I get hardware malfucntion error
    sign... I tried aligning slowly the motor but I cant never get that
    normal USB found new hardware msg... so, anyone has an idea how to get
    it work?

  3. Gerard Bok

    Gerard Bok Guest

    If your Canon is like my Canon, I would release the lock on the
    bottom of the device :)
  4. Papcina

    Papcina Guest

    Bilo je to Mon, 15 May 2006 18:10:48 GMT, kada je poznati
    (Gerard Bok) napisao ove stvari:

    ano ano... but thats not the problem... it just frozen while
    scanning.. seems that the head got blocked, but when I unblocked it,
    usb wont find it anymore...
    it finds it only when I scroll it a bit faster on an certain point of
    the motor, buit when I try to scroll it normally so I get the normal
    head position, nothing happens :s

    any ideas welcome..
  5. Dave D

    Dave D Guest

    Buy a new one! Sorry to be blunt, but scanners are often cheap to buy and
    built with with non-serviceable electronics like custom ICs etc. Unless this
    is a high-end professional scanner, I'd start looking for a new one.

    If you're handy at electronics, then by all means do some basic
    testing/troubleshooting inside, you may get lucky and find something easy to

    I'd check the ribbon cable to the scan head first, they can go open circuit
    for obvious reasons.

  6. Papcina

    Papcina Guest

    Bilo je to Mon, 15 May 2006 19:26:47 +0100, kada je poznati "Dave D"
    sure, np...
    well, as hard u may see this, in my country its hard to find scanners
    ranging from 600x1,200dpi cheaper than 100-150bucks, and since Im a
    student which depends from a limited money, hard to get it :s

    ill try to check ribbon cable... and do some work after to see...
    thanks anyway

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