HP ScanJet IIp (C1790A) is detected as a processor (SCSI device type 3) but it's missing from SANE udev rules, resulting in incorrect device permissions. This patch fixes it.
--- sane-backends-1.0.20-orig/doc/descriptions/hp.desc 2009-01-18 19:45:43.000000000 +0100 +++ sane-backends-1.0.20/doc/descriptions/hp.desc 2010-01-27 18:21:29.000000000 +0100 @@ -34,6 +34,7 @@ :model "ScanJet IIp" :interface "SCSI" :status :complete +:scsi "HP" "C1790A" "processor" :model "ScanJet IIcx" :interface "SCSI" -- Ondrej Zary