what gives a clear scan with Linux?

[Michael Havens]

nope.... didn't work.

$ groups
bmike1 adm cdrom sudo dip plugdev lpadmin scanner sambashare


On Tue, Dec 22, 2015 at 4:40 PM, Michael Havens <bmike1 at gmail.com> wrote:

> groupadd <user> scanner ?
>
> On Tue, Dec 22, 2015 at 4:37 PM, Michael Havens <bmike1 at 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 at 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 at gmail.com
>>>> <mailto:bmike1 at 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 at gmail.com
>>>>     <mailto:bmike1 at gmail.com>> wrote:
>>>>
>>>>         I then tried:
>>>>
>>>>           scanimage>test.scn
>>>>           scanimage: no SANE devices found
>>>>
>>>>
>>>>
>>>>
>>>>     --
>>>>     :-)~MIKE~(-:
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> :-)~MIKE~(-:
>>>>
>>>>
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>>
>>
>>
>> --
>> :-)~MIKE~(-:
>>
>
>
>
> --
> :-)~MIKE~(-:
>



-- 
:-)~MIKE~(-:
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