Re: Unstable scanning with Fujitsu fi-7160

Simon Matter via sane-devel <[email protected]> Wed, 14 Jan 2026 14:59:15 +0100
Newsgroups gmane.comp.graphics.scanning.sane.devel
Message-ID <20cfff66928600bdc0aa90628150066e.20260114145915.1768399155@xxl.corp.invoca.ch>
Hi Krzysztof,

> Hi Simon,
>
> Simon Matter writes:
>
>> When the scanner fails it is also not detected via "scanimage -L".
>
> What about lsusb and (the last part of) dmesg? Does the USB device
> disappear?

It both happens. Sometimes the device is still seen in lsusb output and
sometimes not.

>
> Does it work the same with the manufacturer's software (Windows etc)?
> If not, perhaps comparing command sequences sent from SANE and from the
> other sw could help. Otherwise (if the original sw behaves the same),
> it could be a firmware problem.
>

These scanners work perfectly fine with very old sane-backends and
operating system. So I'd say it's not firmware related.

Simon