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

Jim Meyering jim at meyering.net
Fri Mar 28 14:25:40 UTC 2008


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? ;-)



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