I can add that after reinstalling the printer I tried the 2 Terminal
commands mentioned above in comment #2:
henrik@henrik-thinkpad-20-04:~$ dpkg -l | grep sane
ii libsane:amd64
1.0.29-0ubuntu5.2 amd64 API library for scanners
ii libsane-common
1.0.29-0ubuntu5.2 all API library for scanners --
documentation and support files
ii libsane-hpaio:amd64 3.20.3+dfsg0-2
amd64 HP SANE backend for multi-function
peripherals
ii sane-utils
1.0.29-0ubuntu5.2 amd64 API library for scanners --
utilities
henrik@henrik-thinkpad-20-04:~$ scanimage -L
device `hpaio:/usb/HP_Color_LaserJet_CM2320fxi_MFP?serial=00CNFTB4LHTH' is a
Hewlett-Packard HP_Color_LaserJet_CM2320fxi_MFP all-in-one
henrik@henrik-thinkpad-20-04:~$
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to hplip in Ubuntu.
https://bugs.launchpad.net/bugs/1871011
Title:
USB scanning broken on focal --> hpmud and ippusbxd conflict
Status in HPLIP:
Invalid
Status in hplip package in Ubuntu:
Expired
Bug description:
On Ubuntu 20.04 focal (with -proposed enabled). HPLIP=3.20.3.
Previously there was a libmtp (udev) bug erroneously detecting HP
printers as mtp devices. This was fixed. Now, I can try to scan-- from
both simple-scan and hp-scan, hplip errors out:
Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 427: Found
interface conf=0, iface=1, altset=0, index=1
Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 389: Active
kernel driver on interface=1 ret=0
Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 515: invalid
claim_interface 7/1/2: Device or resource busy
Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 427: Found
interface conf=0, iface=0, altset=1, index=3
Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 389: Active
kernel driver on interface=0 ret=0
Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 515: invalid
claim_interface 7/1/4: Device or resource busy
Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 427: Found
interface conf=0, iface=3, altset=0, index=9
Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 389: Active
kernel driver on interface=3 ret=0
Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 515: invalid
claim_interface ff/4/1: Device or resource busy
Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 427: Found
interface conf=0, iface=0, altset=0, index=11
Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 389: Active
kernel driver on interface=0 ret=0
Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 515: invalid
claim_interface ff/cc/0: Device or resource busy
Printer/scanner is an Officejet 4635. Scanning previously worked just
fine a few months ago. Regression?
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