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Thread: Scanner - additional dpi settings?

  1. #1
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    Scanner - additional dpi settings?

    I have an Epson V200 scanner.

    The Epson Avasys Iscan application for this scanner offers a bewildering selection of dpi settings:
    50/72/96/150/200/240/266/300/350/360/400/600/720/800/1200/1600/2400/3200!

    I haven't tested all of them, but the extremes & the useful ones in between seem to really work.

    The Ubuntu scanner applications don't offer an adequate selection of dpi's.
    XSane - 300/2400/4800
    AcquireImages - 300/2400/4800
    Simple Scan offers 75/150/300/600/1200/2400 but whatever I select I get the same result!

    So:
    1. Is there any way of getting a bigger choice of dpi's in XSane & AcquireImages?
    2. Any idea why Simple Scan dpi selections don't work?

    Thanks for any clues!
    Acer Aspire TC-100-007: Multi boot W10 / 20.04 / 18.04 LTS: Canon TS705: Epson V200: also Asus 1015PED: W7 / 18.04 Lubuntu

  2. #2
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    Re: Scanner - additional dpi settings?

    Bump...

    Anybody know where XSane finds/keeps its dpi settings?
    Can I get at that source & maybe modify it?

    Thanks for any suggestions!
    Acer Aspire TC-100-007: Multi boot W10 / 20.04 / 18.04 LTS: Canon TS705: Epson V200: also Asus 1015PED: W7 / 18.04 Lubuntu

  3. #3
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    Re: Scanner - additional dpi settings?

    Just upgraded to 11.04 & rechecked my scanner options.
    - Acquire Images
    - Simple Scan
    - XSane
    - Iscan
    None of which is really satisfactory.

    XSane now offers me more dpi's:
    X: 75-300-600-1200-2400-4800
    Y: 100-200-300-400-600-800-1200-1800-3600-4800-6600-9600

    Much better than last year, but still strange.
    To keep 1:1 aspect ratio, that only leaves 300-600-1200-4800.

    Sure, I can live with that.
    And I know I can re-scale the image back to 1:1 but what a fiddle!
    For casual use, I would like a bit more 1:1 choice in the 100-150-200 dpi range.

    Is there any way I can change or create dpi's in XSane?
    Knowing Iscan offers me 1:1 scanning at 50-72-96-150-200-240-300-360-400-600-720-800-1200-1600-2400-3200-4800-6400-9600dpi with the same scanner in the same Ubuntu...

    Thanks for any suggestion!
    Acer Aspire TC-100-007: Multi boot W10 / 20.04 / 18.04 LTS: Canon TS705: Epson V200: also Asus 1015PED: W7 / 18.04 Lubuntu

  4. #4
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    Re: Scanner - additional dpi settings?

    Bump...
    Quote Originally Posted by 2CV67 View Post
    XSane now offers me more dpi's:
    X: 75-300-600-1200-2400-4800
    Y: 100-200-300-400-600-800-1200-1800-3600-4800-6600-9600

    Is there any way I can change or create dpi's in XSane?
    Or, to remove another minor irritation; Is there any way to get XSane to remember my preference for 300x300dpi instead of opening every time with 75x100dpi?

    If I could just find where XSane keeps its list...

    Thanks for any clues!
    Acer Aspire TC-100-007: Multi boot W10 / 20.04 / 18.04 LTS: Canon TS705: Epson V200: also Asus 1015PED: W7 / 18.04 Lubuntu

  5. #5
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    Re: Scanner - additional dpi settings?

    Quote Originally Posted by 2CV67 View Post
    Bump...


    Or, to remove another minor irritation; Is there any way to get XSane to remember my preference for 300x300dpi instead of opening every time with 75x100dpi?

    If I could just find where XSane keeps its list...

    Thanks for any clues!
    Hello

    Launch xsane. Change the scanner resolution and make ctrl+P to save the settings.

    The preferences file for your scanner is located in /home/user/.sane/xsane

  6. #6
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    Re: Scanner - additional dpi settings?

    Thanks very much for that suggestion, demonipuch, but it is not working yet...

    I went to .sane/xsane & found a file "Epson:PerfectionV200.drc" which has these lines:
    "x-resolution"
    75
    "y-resolution"
    100

    In XSane Preferences, I selected 300x300 & "Save device settings" (=Ctr+P).
    The V200.drc file then showed 300x300 & I thought the job was done.

    On closing & re-opening XSane to check, I was surprised to find it back to 75x100!

    Further playing showed the following:
    Every time I close XSane, then the V200.drc file is updated to the current dpi settings, even when I do not save anything.
    Every time I open XSane, it comes up with 75x100, whatever the V200.drc file says at that time!

    Puzzled...
    Acer Aspire TC-100-007: Multi boot W10 / 20.04 / 18.04 LTS: Canon TS705: Epson V200: also Asus 1015PED: W7 / 18.04 Lubuntu

  7. #7
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    Re: Scanner - additional dpi settings?

    I fail to see what's wrong...This should be working...At least it is, for me...
    Good luck

  8. #8
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    Re: Scanner - additional dpi settings?

    I also fail to see what's wrong!

    I just tried completely removing & re-installing XSane & XSane-common (same versions) with SynApt, but nothing changed.

    I really need some expert advice!
    Acer Aspire TC-100-007: Multi boot W10 / 20.04 / 18.04 LTS: Canon TS705: Epson V200: also Asus 1015PED: W7 / 18.04 Lubuntu

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