<div dir="ltr"><div>I suspect the scanner may be going to sleep. Some older models had problems waking up. Questions:</div><div><br></div><div>1. what other model scanners have the problem?</div><div>2. how long do you wait between scans when this happens?</div><div>3. if you press a button on the scanner before you scan, does the problem happen?</div><div>4. Have you tried another computer?</div><div><br></div><div>if you want, you could gather some logs and send them to me.</div><div><br></div><div>SANE_DEBUG_FUJITSU=15 scanimage [your parameters here] 2>7160.log</div><div><br></div><div>allan</div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Wed, Jan 14, 2026 at 6:44 AM Simon Matter via sane-devel <<a href="mailto:sane-devel@alioth-lists.debian.net">sane-devel@alioth-lists.debian.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">> Hi,<br>
><br>
> I try to use a Fujitsu fi-7160 scanner on AlmaLinux 10 (RHEL10<br>
> compatible).<br>
<br>
Forgot to mention, SANE backends is version 1.2.1.<br>
<br>
><br>
> The scanner works some times but then fails and scanimage reports<br>
> "scanimage: open of device fujitsu:fi-7260:1433 failed: Invalid argument".<br>
><br>
> The scanimage command is always the same and it can work 5 times and fail<br>
> on the next.<br>
><br>
> The problem happens when connected via USB2 port or USB3. Different other<br>
> Fujitsu fi-xxxx scanners behave exactly the same.<br>
><br>
> When the scanner fails it is also not detected via "scanimage -L".<br>
> Powering off and on the scanner brings it back to life.<br>
><br>
> Any help on this issue would be much appreciated.<br>
><br>
> Thanks,<br>
> Simon<br>
><br>
><br>
><br>
<br>
<br>
<br>
</blockquote></div><div><br clear="all"></div><br><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature">"well, I stand up next to a mountain- and I chop it down with the edge of my hand"</div>