[sane-devel] Additional model support for epson2 / epsonds backend

[Nakamura Iwao]

Dear Ulf-san,

I am sorry that my response is delayed.
Just in case, I have shared your inquiry to the appropriate contact window too.

Best regards,
I.Nakamura

Am 29.11.21 um 07:36 schrieb Nakamura Iwao:
Dear All,

Thank you for your continuous efforts for SANE project, and merging previous our patch.

We have supported a few new MFPs (those are selling now) additionally for epson2 / epsonds backend as below:



Hi Iwao,

can you tell us how bug reporting works for Epson drivers?

I had send the following message several times, but there is no reaction.

-Ulf

======================================================


-------- Weitergeleitete Nachricht --------
Betreff:
Bug in iscan_2.30.4-2_amd64.deb
Datum:
Sun, 3 Oct 2021 19:47:03 +0200
Von:
Ulf Zibis <Ulf.Zibis at CoSoCo.de><mailto:Ulf.Zibis at CoSoCo.de>
An:
SEIKO EPSON Corporation <linux-printer at epson.jp><mailto:linux-printer at epson.jp>


Hi there,

I suspect, there is a small bug in iscan_2.30.4-2_amd64.deb.

The problem of the bug is mentioned here: https://sourceforge.net/p/gscan2pdf/bugs/389/#04ec/a0ea

And here: https://gitlab.com/utsushi/utsushi/-/issues/68#note_626389990

In my experience, scanimage --help dynamically adapts its output upon the given options before --help, i.e., the stated default values of options differ upon them. Please compare:

$ scanimage --source='Automatic Document Feeder' --scan-area=A4 --help

[.....]

Options specific to device `epkowa:usb:002:003':

[.....]

  Geometry:

    --scan-area Maximum|A4|A5 Landscape|A5 Portrait|B5|Legal|Letter|Executive|CD [A4]

        Select an area to scan based on well-known media sizes.

    -l 0..215.9mm [5.89999]

        Top-left x position of scan area.

    -t 0..355.6mm [0]

        Top-left y position of scan area.

    -x 0..210mm [210]

        Width of scan-area.

    -y 0..355.6mm [297]

        Height of scan-area.

    --quick-format Maximum|A4|A5 Landscape|A5 Portrait|B5|Legal|Letter|Executive|CD [A4]

        Select an area to scan based on well-known media sizes. (DEPRECATED)

[.....]

$ scanimage --scan-area=A4 --source='Automatic Document Feeder' --help

[.....]

Options specific to device `epkowa:usb:002:003':

[.....]

  Geometry:

    --scan-area Maximum|A4|A5 Landscape|A5 Portrait|B5|Legal|Letter|Executive|CD [A4]

        Select an area to scan based on well-known media sizes.

    -l 0..215.9mm [0]

        Top-left x position of scan area.

    -t 0..355.6mm [0]

        Top-left y position of scan area.

    -x 0..215.9mm [215.9]

        Width of scan-area.

    -y 0..355.6mm [355.6]

        Height of scan-area.

    --quick-format Maximum|A4|A5 Landscape|A5 Portrait|B5|Legal|Letter|Executive|CD [A4]

        Select an area to scan based on well-known media sizes. (DEPRECATED)

[.....]

The latter still lists --scan-area and --quick-format as A4, instead Maximum. In the opinion of the developer of gscan2pdf this is a bug. I too think, he is right, as if frontends rely on this help defaults, the user gets presented the wrong values in the GUI.

Thanks to review this problem,
-Ulf
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