[sane-devel] No Backends found

[Joe Zeff]

On 6/25/26 11:26 AM, sane-devel at symme.link wrote:
> 1. Which version of SANE did you install?
> 

Interesting: the program calls itself xscan as does the menu listing it, 
but the program is named scanimage.  Checking with dnf list installed, 
it's version 4.90-17.1

> 2. Are you running as an ordinary user? (Can you try running `scanimage
>     -L` as the superuser, e.g., with `sudo` or after `su`?)
> 

Yes.  device `pixma:04A91158' is a CANON Canon PIXMA TS3700 Series 
multi-function peripheral
device `airscan:e0:Canon TS3700 series (USB)' is a eSCL Canon TS3700 
series (USB) ip=127.0.0.1, ::1


> Can you also run `SANE_DEBUG_PIXMA=3 scanimage -L` both with and without
> elevated privileges, and share the resulting debug output?

With: [13:41:15.936322] [sanei_debug] Setting debug level of pixma to 3.
[13:41:15.936380] [pixma] pixma is compiled with pthread support.
[13:41:15.936420] [pixma] pixma version 0.28.6
[13:41:16.025941] [pixma] pixma_collect_devices() found Canon PIXMA 
TS3700 Series at libusb:002:002
[13:41:16.547071] [pixma] pixma_find_scanners() found 1 devices
bash: device: command not found

without: [13:41:41.430583] [sanei_debug] Setting debug level of pixma to 3.
[13:41:41.430639] [pixma] pixma is compiled with pthread support.
[13:41:41.430671] [pixma] pixma version 0.28.6
[13:41:41.430807] [pixma] pixma_collect_devices() found Canon PIXMA 
TS3700 Series at libusb:002:002
[13:41:41.951905] [pixma] pixma_find_scanners() found 1 devices
bash: device: command not found