groupadd <user> scanner ?--On Tue, Dec 22, 2015 at 4:37 PM, Michael Havens <bmike1@gmail.com> wrote:I guess I was thinking to deep. huh?but I didn't remove any software....--On Tue, Dec 22, 2015 at 4:35 PM, Brian Cluff <brian@snaptek.com> wrote:The user needs to be part of the scanner group in order for the scanner to be found.
I would guess that while you were adding and removing scanner software, one of the the packages removed the scanner group completely and when you shutdown the machine it forgot that you were in the group.
Try adding the scanner group to your user and then log out and back in again and it should start working
Brian Cluff
On 12/22/2015 12:29 PM, Michael Havens wrote:
but why did it work before? ,I just shut down, started windows, and then
restarted into linux!!!!
On Tue, Dec 22, 2015 at 2:28 PM, Michael Havens <bmike1@gmail.com<mailto:bmike1@gmail.com>> wrote:<mailto:bmike1@gmail.com>> wrote:
I found the problem. It seems to be a permissions error!
man sane-usb
This is a short HOWTO-like section. For the full details, read the fol‐
lowing sections. The goal of this section is to get
the scanner
detected by sane-find-scanner(1).
Run sane-find-scanner. If it lists your scanner with the
correct vendor
and product ids, you are done. See section SANE ISSUES for
details on
how to go on.
sane-find-scanner doesn't list your scanner? Does it work as
root? If
yes, there is a permission issue. See the LIBUSB section for
details.
Nothing is found even as root? Check that your kernel
supports USB and
that libusb is installed (see section LIBUSB).
<edit>
LIBUSB
SANE can only use libusb 0.1.6 or newer. It needs to be
installed at
build-time. Modern Linux distributions and other operating
systems come
with libusb.
Libusb can only access your scanner if it's not claimed by
the kernel
scanner driver. If you want to use libusb, unload the
kernel driver
(e.g. rmmod scanner under Linux) or disable the driver when
compiling a
new kernel. For Linux, your kernel needs support for the USB
filesystem
(usbfs). For kernels older than 2.4.19, replace "usbfs" with
"usbdevfs"
because the name has changed. This filesystem must be
mounted. That's
done automatically at boot time, if /etc/fstab contains
a line like
this:
none /proc/bus/usb usbfs defaults 0 0
The permissions for the device files used by libusb must
be adjusted
for user access. Otherwise only root can use SANE devices.
For Linux,
the devices are located in /proc/bus/usb/ or in
/dev/bus/usb, if you
use udev. There are directories named e.g. "001" (the bus
name) con‐
taining files "001", "002" etc. (the device files). The
right device
files can be found out by running scanimage -L as root.
Setting permis‐
sions with "chmod" is not permanent, however. They will be
reset after
reboot or replugging the scanner.
Okay, do I need to make it look like:
none /proc/bus/usb usbfs defaults 6 6
or what do I need to do?
On Tue, Dec 22, 2015 at 2:10 PM, Michael Havens <bmike1@gmail.com
I then tried:
scanimage>test.scn
scanimage: no SANE devices found
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