update: when I shut down the printer with the usb cable connected and then start it again it works.
-- 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 by ippusbxd (was: hpmud and ippusbxd conflict) Status in HPLIP: Invalid Status in hplip package in Ubuntu: Expired Status in ippusbxd package in Ubuntu: Confirmed 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? To manage notifications about this bug go to: https://bugs.launchpad.net/hplip/+bug/1871011/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
