$ scanimage -L
device `escl:http://127.0.0.1:60001' is a HP ENVY 5530 series [FE04D6]
(USB) platen scanner
device `airscan:e0:HP ENVY 5530 series [FE04D6] (USB)' is a eSCL HP ENVY
5530 series [FE04D6] (USB) ip=127.0.0.1
device `hpaio:/usb/ENVY_5530_series?serial=CN595530XD06BX' is a
Hewlett-Packard ENVY_5530_series all-in-one
$ hp-scan
HP Linux Imaging and Printing System (ver. 3.21.2)
Scan Utility ver. 2.2
Copyright (c) 2001-18 HP Development Company, LP
This software comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to distribute it
under certain conditions. See COPYING file for more details.
-----------------
| SELECT DEVICE |
-----------------
Num Scan device URI
-------- -------------------------------------------------
0 escl:http://127.0.0.1:60001
1* airscan:e0:HP ENVY 5530 series [FE04D6] (USB)
2 hpaio:/usb/ENVY_5530_series?serial=CN595530XD06BX
Enter number 0...2 for device (q=quit, <enter>=default: 1*) ?q
only the second line works (airscan) no more line 0 and 2 works .
sane-backends : the sources are available in sid but the package is not
compiled or installed.
alain@sid:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux bookworm/sid
Release: unstable
Codename: sid
alain@sid:~$ uname -a
Linux sid 5.10.0-8-amd64 #1 SMP Debian 5.10.46-4 (2021-08-03) x86_64
GNU/Linux
