Comment # 1 on bug 1221512 from David Walker

I'm having the same problem on Tumbleweed 20240512, aarch64. airscan-discover
does find it however:

 > airscan-discover
 [devices]
   Canon MF650C Series = http://192.168.1.130:80/eSCL/, eSCL
   Canon MF650C Series = http://192.168.1.130/active/msu/scan, WSD

> sudo zypper se --details --installed-only sane
Loading repository data...
Reading installed packages...

S  | Name                     | Type    | Version     | Arch    | Repository
---+--------------------------+---------+-------------+---------+------------------------
i  | libsane1                 | package | 1.3.0-1.1   | aarch64 |
openSUSE-Tumbleweed-Oss
i+ | sane-airscan             | package | 0.99.29-1.1 | aarch64 |
openSUSE-Tumbleweed-Oss
i  | sane-backends            | package | 1.3.0-1.1   | aarch64 |
openSUSE-Tumbleweed-Oss
i  | sane-backends-autoconfig | package | 1.3.0-1.1   | noarch  |
openSUSE-Tumbleweed-Oss
i+ | xsane                    | package | 0.999-4.3   | aarch64 |
openSUSE-Tumbleweed-Oss