[sane-devel] No Backends found

[thierryh at vivaldi.net]

Le 2026-06-25 21:08, Joe Zeff a écrit :
> On 6/25/26 2:26 PM, Kelly Price wrote:
>> I think the goal here is first to get scanimage to work using the SANE 
>> drivers.  Once that does, Xscan and Xsane will follow.
>> 
>> So make sure you installed scanimage and if your distro has sane- 
>> backends, install that as well (it should have if your distro's 
>> package manager handles dependencies).
> 
> What I have installed and on my menu are ScanGear and XSane.  Which one 
> is scanimage?  Fedora has sane-backends and they're already installed. 
> As far as working in a Terminal, I was using C/PM and MS-DOS before 
> they had gooies.  And, I've used scanners many times but never had this 
> much trouble setting one up.  Here's the list of devices:
> 
> List of available devices:
>     pixma:04A91158 canon_pixma:libusb:002:002
>     airscan:e0:Canon TS3700 series (USB)

With the version of scangearmp2 you installed, only ScanGear can use 
Canon's proprietary driver.
The SANE tools cannot see or use Canon's proprietary driver.
It's possible that the two drivers are conflicting because of ipp-usb.