[sane-devel] Fast fi-65F slow with SANE

[m. allan noah]

What debugging messages are produced right before the delay?

On Tue, Feb 8, 2022 at 9:25 AM Felix E. Klee <felix.klee at inka.de> wrote:

> The Fujitsu fi-65F can scan an A6 page in just one second.  This works
> as advertised with the included “PaperStream Capture”.  It even works
> when using SANE, except that before each scan there is a delay of almost
> ten (!) seconds:
>
>     $ cat /etc/lsb-release
>     LSB_VERSION=1.4
>     DISTRIB_ID=Arch
>     DISTRIB_RELEASE=rolling
>     DISTRIB_DESCRIPTION="Arch Linux"
>     $ uname -a
>     Linux felix-arch 5.16.4-arch1-1 #1 SMP PREEMPT Sat, 29 Jan 2022
>     19:08:13 +0000 x86_64 GNU/Linux
>     $ scanimage --version
>     scanimage (sane-backends) 1.1.1; backend version 1.1.1
>     $ scanimage -L
>     device `epjitsu:libusb:003:006' is a FUJITSU fi-65F  0A01 scanner
>     $ scanimage -o out.png --resolution 200dpi
>
> *Why the delay?*
>
> I also tried with `SANE_DEBUG_EPJITSU=255 scanimage`, but that didn’t
> tell me anything: During the delay there is no output.
>
>
>

-- 
"well, I stand up next to a mountain- and I chop it down with the edge of
my hand"
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