Weird Scanner-WIA issues

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  1. Posts : 882
    Windows 10 x64
    Thread Starter
       #11

    Malneb said:

    It still hurts my brain sometimes to think that computers have come so far but this area of computers are pretty broken still.
    You are soooo right on this!
      My Computer


  2. Posts : 2,284
    Windows 11 Pro 64-bit v23H2
       #12

    Have you tried the demo version of VueScan to see if works any better?
      My Computers


  3. Posts : 882
    Windows 10 x64
    Thread Starter
       #13

    MisterEd said:
    Have you tried the demo version of VueScan to see if works any better?
    No, I didn't. Thing is that the scanner software, in my opinion, is doing quite a good job and has sufficient features. I did check out alternatives (SilverFast and Vuescan), though briefly. I've read a review on these products and Epson scan and it is claimed that Epson does a decent job. DPReview's conclusion was : "VueScan is the best all-rounder, but Epson Scan does surprisingly well"

    I don't scan films, but mostly documents.
    Believe it has something to do with the communication with the scanner part of the printer and it is difficult to pinpoint the problem. as mentioned earlier, the 1st scan goes fine, the 2nd not (i.e. no scan), restart the scanner and things usually go right from there on.

    So I let it rest for now.

    Thanks to all for the contributions.
      My Computer


  4. Posts : 2,766
    Windows 10
       #14

    The Epson scanner software will have a TWAIN driver supplied by Epson, not WIA.
    "Believe it has something to do with the communication with the scanner part of the printer and it is difficult to pinpoint the problem. "
    Then, why not try Network rather than USB connection, or vice versa.

    Scanners use a temporary folder somewhere, in mine there is also a TWAIN.log file there, whether that is useful for errors I do not know.
      My Computer


  5. Posts : 5,899
    Win 11 Pro (x64) 22H2
       #15

    First What Scanner???

    Anyway, Microsoft no longer ships TWAIN with Windows - TWAIN compatibility. I believe this started somewhere with Windows ME.

    Scanner now support WIA (Windows Image Acquisition) - What is a WIA Scanner Driver? A guide to understanding scanner drivers.

    Anyway, I have an Epson (XP-960) Multifunction printer with a scanner built in and it works just fine with the supplied Epson drivers. And no TWAIN drivers.
      My Computers


  6. Posts : 882
    Windows 10 x64
    Thread Starter
       #16

    Sorry - I know this is an old thread - I forgot about it.


    I coincidentally found the 'solution'.

    Whilst installing the Epson software, also software named "Epson Printer Connection Checker" is installed.
    Desktop icon, with target:
    "C:\Program Files (x86)\EPSON Software\Epson Printer Connection Checker\EPPCCHKR.EXE" /DSI"

    Never used it and (frankly) never cared to investigate what

    Anway, when scanning 'hangs', i.e. scanner software started, but nothing is happening, then run this application.
    I guess.. it resets the connection. The scanning instantly continues.
      My Computer


  7. Posts : 18,034
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
       #17

    Hello @tfwul,

    Thanks for the update. It will help others with the same problem who come across this Thread.

      My Computer


 

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