scanner crashes PhotoShop

Discussion in 'Scanners' started by frankg, Apr 20, 2006.

  1. frankg

    frankg Guest

    Any ideas here - I have 2 scanners connected via a scsi card to my pc (xp
    pro) - the
    first in the chain is a film scanner - polaroid 120 and that works ok. The
    second scanner is an old flatbed Microtek Scanmaker III annd that has been
    working fine until very recently. It previews the images ok but suddenly
    and crashes PS after starting the scan. And the 'ready light' goes out.
    I've tried uninstalling and reinstalling all drivers and scan software and
    also the 'repair' option re-installion of PS (cs2).
    I access these scanners from the PS>file>import menu. Is the old grey mare
    just dying and I should toss it out, or is there a software problem that can
    be fixed?

    Unfortunately, the Scanwizard app for the Scanmaker flatbed scanner isnt
    standalone, so i cant try it from outside of Photoshop.I've also tried to
    only have one scanner at a time connected.
    I did try unchaining the polaroid film scanner (usually 1st in the scsi
    chain) and connecting only the troublesome Microtek flatbed with a short
    scsi cable and terminator. No luck, same problem. There is a Scantest
    utility that comes with the scanner which tests if the scanner is ok - it
    tested ok, strangely enough.
    I also suspected memory allocation problems as when the problem first
    ocurred, we were able to scan some handwritten pages as line art, but when
    we wanted to scan a col print, it failed. How oes one fix memory addressing
    problems ?

    any ideas ?
    frankg, Apr 20, 2006
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  2. frankg

    frankg Guest

    I have Irfanview v.3.97 and didnt know I could scan (access Scanwizard)
    through it . I just tried it and also it was ok to do 300dpi 8 bit col ( it
    calls it millions of colors). When I tried 16 bit (it calls it billions of
    colors) it failed. Then i went back to 8 bit and raised the dpi from 300 to
    600 (which is the max optical resolution for this old scanner) and it too
    crashed irfanview. So I guess this means it's not Photoshop or Irfanview but
    rather the scanner. But why can it scan 300dpi but not 600 - surely not
    hardware related ?

    Where/how can I confirm this point you made - "Be sure the SCSI ID is not
    changed from the correct ID. (The ID the scanner TWAIN was installed with)"
    frankg, Apr 20, 2006
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  3. frankg

    frankg Guest

    Do you mean the numbers you set on the hardware - on the back of the scanner
    ? No, these have not changed - one scanner is set on 4 and the other is set
    on 6. Or is it a software number /ID you refer to (excuse my ignorance)?
    frankg, Apr 20, 2006
  4. frankg

    frankg Guest

    I am willing to accept that it's dead but why does it scan some stuff ok ?
    I just tried accessing and scanning Scanwizard (2.60) through IrfanView
    rather than Photoshop to see if the problem is Photoshop or the scanner.
    Through Irfanview too I can scan up to 8bit at 300dpi but at 600 dpi or at
    16 bit (col or b/w) it crashes the program.
    This error message just came up for the first time "native transfer does not
    support billions colors or thousands grays image type"
    frankg, Apr 20, 2006
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