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

[Olaf Meeuwissen]

Hi Ulf,

Ulf Zibis writes:

> 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

Thanks, meeting you there ;-)

> -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
>>  Support Free Software                        https://my.fsf.org/donate
>>  Join the Free Software Foundation              https://my.fsf.org/join
>>


--
Olaf Meeuwissen, LPIC-2            FSF Associate Member since 2004-01-27
 GnuPG key: F84A2DD9/B3C0 2F47 EA19 64F4 9F13  F43E B8A4 A88A F84A 2DD9
 Support Free Software                        https://my.fsf.org/donate
 Join the Free Software Foundation              https://my.fsf.org/join