I can confirm I have the same problem with a Photosmart C309a, which worked flawlessly under 3.12.4, but now fails with 3.12.6 giving the following error:
Failed to open device `hpaio:/usb/Photosmart_C309a_series?serial=<redacted>': End of file reached.
As requested, the outputs of those two commands are attached (hp-check -t as file hp-check.log and hp-scan -g below).
[rob@hydrogen ~]$ hp-scan -g
HP Linux Imaging and Printing System (ver. 3.12.6)
Scan Utility ver. 2.2
Copyright (c) 2001-14 Hewlett-Packard 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.
warning: No destinations specified. Adding 'file' destination by default.
Using device hpaio:/usb/Photosmart_C309a_series?serial=<redacted>
Opening connection to device...
error: SANE: End of file reached (code=5)
I can confirm I have the same problem with a Photosmart C309a, which worked flawlessly under 3.12.4, but now fails with 3.12.6 giving the following error:
Failed to open device `hpaio: /usb/Photosmart _C309a_ series? serial= <redacted> ': End of file reached.
As requested, the outputs of those two commands are attached (hp-check -t as file hp-check.log and hp-scan -g below).
[rob@hydrogen ~]$ hp-scan -g
HP Linux Imaging and Printing System (ver. 3.12.6)
Scan Utility ver. 2.2
Copyright (c) 2001-14 Hewlett-Packard 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.
hp-scan[2622]: debug: getDeviceUri(None, None, ['hpaio'], {'scan-type': (<built-in function gt>, 0)}, , True) Photosmart_ C309a_series? serial= <redacted> : back_end:hp is_hp:True bus:usb model:Photosmar t_C309a_ series serial:<redacted> dev_file: host: zc: port:1 c309a_series hplip/data/ models/ models. dat c309a_series] in file /usr/share/ hplip/data/ models/ models. dat c309a_series] in file /usr/share/ hplip/data/ models/ models. dat usb/Photosmart_ C309a_series? serial= <redacted> : back_end:hpfax is_hp:True bus:usb model:Photosmar t_C309a_ series serial:<redacted> dev_file: host: zc: port:1 /usb/Photosmart _C309a_ series? serial= <redacted> ': ['Photosmart_ C309a'] } usb/Photosmart_ C309a_series? serial= <redacted>
hp-scan[2622]: debug: Mode=0
hp-scan[2622]: debug: hp:/usb/
hp-scan[2622]: debug: Cache miss: photosmart_
hp-scan[2622]: debug: Reading file: /usr/share/
hp-scan[2622]: debug: Searching for section [photosmart_
hp-scan[2622]: debug: Found section [photosmart_
hp-scan[2622]: debug: hpfax:/
hp-scan[2622]: debug: {'hpaio:
Using device: hpaio:/
warning: No destinations specified. Adding 'file' destination by default. usb/Photosmart_ C309a_series? serial= <redacted>
Using device hpaio:/
Opening connection to device...
error: SANE: End of file reached (code=5)