Question about Acer ScanPrisa 640U Flatbed Scanner

3 Answers

Scanning slides. When I attempt to scan slides, I get the message 'callibration failure, please check if the TPO module is firmly connected' I have tried many times but get no further. Can you help me please, Beryl

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  • bjmacp Jan 30, 2008

    I have used it a lot in the past and it still works as a normal scan.

    There does not appear to be any problems with the cables.

  • bjmacp Jan 31, 2008

    I have tried a number of times disconnecting etc but I do not think I have tried reinstalling drivers and software. Will try thanks. B.

  • bjmacp Jan 31, 2008

    I have now disconnected, reconnected, reinstalling drivers and software but it is still the same. B.

  • bjmacp Jan 31, 2008

    More help please. B.

  • bjmacp Jan 31, 2008

    Thank you for all the help.
    I had everything as suggested however the frame was facing backwards and when turned has now worked. Thanks so much for help. I trust it will continue
    B.

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  • 1,113 Answers

Ok, to be able to scan transparent slides you must have the model equiped to cope ie there will be a T in the model number 640.

You also must use a frame, this frame must not have the calibration area blocked and must be set with calibration area(smaller rectangle) facing front.

see page 10 of your user guide for more info

Posted on Jan 31, 2008

  • 4 more comments 
  • Soulvisitor
    Soulvisitor Jan 31, 2008

    Oh the Acer 640U and BenQ's Scanpreista product is the same.

  • Soulvisitor
    Soulvisitor Jan 31, 2008

    Check your driver suits 640UT i beleive it is most likely the same as the 640U from what I know.

  • Soulvisitor
    Soulvisitor Jan 31, 2008

    The 640UT also has a optical cover that one must remove before using tranparent originals

  • Soulvisitor
    Soulvisitor Feb 01, 2008

    Great to hear can you please rate/accept my solution



    S.

  • Soulvisitor
    Soulvisitor Feb 01, 2008

    pic

  • Soulvisitor
    Soulvisitor Feb 02, 2008

    Thankyou, them stars sure look pretty :)

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Hey there bjmacp, the problem is your scanner is not suited to the task. what you need is a drum scanner or a high end flatbed scanner that will allow you to focus. Good Luck!

Posted on Jan 31, 2008

  • Devocap
    Devocap Jan 31, 2008

    hey there bjmacp, the reason for the need for user focus feature on the scanner is due to the extra layer of glass on a flatbed scanner. This is not a problem on slide scanners as they do not have glass between the slide and the reader. Hope it helps.

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  • Master
  • 1,944 Answers

Hi,

Did you try the trivial stuff like disconnecting and reconnecting the unit from the PC and electricity, reinstalling drivers and software?

Posted on Jan 30, 2008

  • Damen Wong
    Damen Wong Jan 31, 2008

    Could you please tell me what program are you using with the scanner?

  • Damen Wong
    Damen Wong Jan 31, 2008

    I am glad it worked out for you =)

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