[sane-devel] Scanner missing

Mark mhullrich at gmail.com
Wed Oct 13 18:10:50 UTC 2010

I run CentOS 5.5 on my home desktop:

2.6.18-194.17.1.el5 #1 SMP Wed Sep 29 12:50:31 EDT 2010 x86_64 GNU/Linux
GNOME 2.16.0 (included/integrated w/CentOS 5)

A while back I bought a new HP J3600 scan/fax/copy/print-er and
connected it to my system.  At first it was visible to the root but
not me as an ordinary user.  I had no trouble configuring it as a
printer, but the scanner was invisible to xsane until I added my user
id to the lp group.

Now it's gone again, except that it is visible as a usb device to me
as a normal user, but xsane can't seem to find it any more.  Can
anyone hazard a guess at what's wrong?

$ lsusb
Bus 001 Device 001: ID 0000:0000
Bus 002 Device 006: ID 03f0:3112 Hewlett-Packard
Bus 002 Device 004: ID 22b8:2ac2 Motorola PCS
Bus 002 Device 001: ID 0000:0000
Bus 002 Device 002: ID 04f9:0033 Brother Industries, Ltd
Bus 002 Device 003: ID 03f0:0205 Hewlett-Packard ScanJet 3300c

It's Bus 2, Dev 6.  There is nothing in any of the /var/log/* files to
indicate any kind of problem.  I unplugged the scanner and then
plugged it back in and found this:

$ sane-find-scanner

  # sane-find-scanner will now attempt to detect your scanner. If the
  # result is different from what you expected, first make sure your
  # scanner is powered up and properly connected to your computer.

  # No SCSI scanners found. If you expected something different, make sure that
  # you have loaded a kernel SCSI driver for your SCSI adapter.

found USB scanner (vendor=0x03f0 [HP], product=0x3112 [Officejet J3600
series]) at libusb:002:005
found USB scanner (vendor=0x03f0 [Hewlett-Packard], product=0x0205 [HP
ScanJet 3300C]) at libusb:002:004
  # Your USB scanner was (probably) detected. It may or may not be supported by
  # SANE. Try scanimage -L and read the backend's manpage.

  # Not checking for parallel port scanners.

  # Most Scanners connected to the parallel port or other proprietary ports
  # can't be detected by this program.

  # You may want to run this program as root to find all devices. Once you
  # found the scanner devices, be sure to adjust access permissions as
  # necessary.

So, sane-find-scanner finds the scanner, but xsane does not?

This was working perfectly a few days ago.  I'm not sure where else to look....


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