TomTasche, thank you for reporting this and helping make Ubuntu better.
As per https://wiki.ubuntu.com/Releases 11.10 reached EOL on May 9,
2013.
If you are having an issue in a supported release (ex. 16.04) please
file a new report, and feel free to subscribe me to it.
** Changed in: sane-backends (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/913938
Title:
Detected scanner fails to open device, "Invalid Argument"
Status in sane-backends package in Ubuntu:
Invalid
Bug description:
Hello,
I've installed the latest drivers from the Brother support website for
my Brother DCP-165C. Printing works fine, but I can't get scanning
working... I have followed all instructions provided by the Brother
support website (udev rules, etc). I'm running Ubuntu Server 11.10.
No matter whether I'm running scanimage (or xsane) as sudo or not, I'm
getting the same error message:
"scanimage: open of device brother3:bus2;dev1 failed: Invalid argument"
You can find a strace attached (ran with sudo).
Some more outputs:
scanimage -L
device `brother3:bus2;dev1' is a Brother DCP-165C USB scanner
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=0x04f9, product=0x0204) at libusb:007:002
found USB scanner (vendor=0x0bda, product=0x8187) at libusb:002:003
# 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.
sudo sane-find-scanner # note: there is a minor difference to the output of
the command ran without sudo...
[sudo] password for tom:
# 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=0x04f9 [Brother], product=0x0204 [DCP-165C]) at
libusb:007:002
found USB scanner (vendor=0x0bda, product=0x8187 [RTL8187B_WLAN_Adapter]) at
libusb:002:003
# 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
brscan-skey -l
DCP-165C : brother3:bus2;dev1 : USB Active
Thanks for your help and have a great day
Tom
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