[sane-devel] Epson W- 2630 – with ADF scan area is shifted 5.9 mm to the left

[Ulf Zibis]

Hi Olaf,

unfortunately I've overseen your message for some time, sorry.

Thanks for your help. Here is the bug report:
https://gitlab.com/utsushi/utsushi/issues/68

-Ulf

Am 23.03.19 um 13:02 schrieb Olaf Meeuwissen:
> Hi Ulf,
>
> Ulf Zibis writes:
>
>> Hi,
>>
>> scanning DIN A4 a paper sheet from the flatbed works correctly, but when
>> using the ADF the scan area is shifted 6 mm to the left, i.e on the left
>> side of the scan there are missing 5.9 mm of the original and on the
>> right side there is a 5.9 mm black border.
>>
>> The cause seems clear: The scan unit area is 215.9 mm = 8.5" but a DIN
>> A4 paper sheet is only 210 mm. When using the ADF, a DIN A4 paper sheet
>> is mechanically shifted to the right edge of the scan unit area. But the
>> driver or the SANE-framework does not recognize this offset correctly.
>>
>> I'm using Ubuntu 18.04 and installed the drivers from here:
>> http://download.ebz.epson.net/dsc/search/01/search/searchModule
> # Full disclosure: I wrote most of that "driver"'s code but have not
> # been involved in it's development since 2016-04-01.
>
> Based on my fading understanding of that "driver"'s source code, this
> **should** be taken care of automatically by the driver.
>
>> Ho can I tweak the SANE configuration to correct the offset?
> Please submit an issue at
>
>   https://gitlab.com/utsushi/utsushi
>
> which is a Community Code Base fork of the upstream you installed that I
> still somewhat "maintain" in my free time.
>
> When you do, please include your device's USB product ID (lsusb should
> tell you what it is) and the distribution you use.
> If you feel adventurous, clone the code and build from source (see the
> README for instructions, build takes a while and may require up to 2GB
> of RAM!) and attach a log to your issue.
>
> Hope this helps,
> --
> Olaf Meeuwissen, LPIC-2            FSF Associate Member since 2004-01-27
>  GnuPG key: F84A2DD9/B3C0 2F47 EA19 64F4 9F13  F43E B8A4 A88A F84A 2DD9
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>