Comment 13 for bug 1015319

I built hplip 3.12.11 and still have the same problem.

hp-scan -g gives.

HP Linux Imaging and Printing System (ver. 3.12.11)
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[2710]: debug: getDeviceUri(None, None, ['hpaio'], {'scan-type': (<built-in function gt>, 0)}, , True)
hp-scan[2710]: debug: Mode=0
hp-scan[2710]: debug: Device URI ipp://192.168.0.6:631/printers/DCP-8020 is invalid/unknown
hp-scan[2710]: debug: Exception: 4 (Unknown/invalid device-uri field)
hp-scan[2710]: debug: hp:/net/Photosmart_C309a_series?zc=hpskrivare: back_end:hp is_hp:True bus:net model:Photosmart_C309a_series serial: dev_file: host:hpskrivare zc:hpskrivare port:1
hp-scan[2710]: debug: Cache miss: photosmart_c309a_series
hp-scan[2710]: debug: Reading file: /usr/share/hplip/data/models/models.dat
hp-scan[2710]: debug: Searching for section [photosmart_c309a_series] in file /usr/share/hplip/data/models/models.dat
hp-scan[2710]: debug: Found section [photosmart_c309a_series] in file /usr/share/hplip/data/models/models.dat
hp-scan[2710]: debug: {'hpaio:/net/Photosmart_C309a_series?zc=hpskrivare': ['Photosmart_C309a']}
Using device: hpaio:/net/Photosmart_C309a_series?zc=hpskrivare

warning: No destinations specified. Adding 'file' destination by default.
Using device hpaio:/net/Photosmart_C309a_series?zc=hpskrivare
Opening connection to device...
error: SANE: End of file reached (code=5)