[sane-devel] [PATCH] make scanimage work with HP ScanJet (HP 6250C), finally

Jim Meyering jim at meyering.net
Fri Mar 28 14:32:33 UTC 2008


"m. allan noah" <kitno455 at gmail.com> wrote:
> On Fri, Mar 28, 2008 at 10:25 AM, Jim Meyering <jim at meyering.net> wrote:
>> Peter Kirchgessner <peter at kirchgessner.net> wrote:
>>  > I have no problem if the usleep(1000) is added. If it helps, it's
>>  > ok. For a typical scan about 200 inquiries are done. So setting up the
>>  > scanner is slowed down by 0.2 seconds in total. That is far less than
>>  > the scan will need.
>>  > I don't know if it is possible with libusb to check if an answer of
>>  > the scanner is available or not. But if you tried increasing the value
>>  > and it still did not work every second run I would say there are still
>>  > some other problems with USB. My ScanJet 6250 is working without
>>  > problems for years using USB.
>>
>>  Thanks for looking at it.
>>  Maybe we have different hardware, in spite of the
>>  identical model numbers.  Mine is 9 or 10 years old.
>>  I don't recall if I ever updated the driver.
>>  Do you know which you have?
>>
>>
>>  > Who will apply the patch to the official SANE-backends ?
>>
>>  Who do we prod? ;-)
>
> i will do it now. however, there still seem to be some issues for me,

Thanks.

> so i might find some time to play with it in the next few weeks, and
> produce another patch. would you be willing to test that?

Sure.



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