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Hi,

Just writing to update on the issue. The fix described in my previous post no longer works, I'm guessing something must have changed in SANE. Until recently, I've been using the scanner in a WinX host via Virtualbox, but for some reason, that has stopped working too, so I'm stuck without a scanner for the time being.

Have there been any developments on this front?

Thanks!

I suspect that something, perhaps the SANE version, that changed from 13.10 to 14.04 is the actual problem. 

You were right, the problem came from SANE. Looking through their documentation, I was able to find that the problem resided in /etc/sane.d/xerox_mfp.conf; the line for my printer was commented, and the printer was set in USB mode:

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#Samsung SCX-3205W, usb mode

I uninstalled suld-driver-4.00.39 and installed 4.00.36, since, for some reason, 4.00.39 only lets me add the printer in DNS-SD mode (as opposed to tcp host address +port)

Rebooted, added the printer again via network address+port, then uncommented and edited the pertinent line in /etc/sane.d/xerox_mfp.conf so it looks like this:

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#Samsung SCX-3205W, network mode
tcp host_address [port]

Problem solved. :)

Thanks for pointing me in the right direction! I hope this comes in handy - for future reference - for anyone else experiencing the same kind of problem.


EDIT:

Just for the record, for some reason, in Kubuntu 14.10 amd64, certain apps (e.g. Okular) are unable/unwilling to print when this printer is used in tcp address+port mode.

To get it to work, I had to add the printer again as an LPD network printer (DNS-SD) and make this printer default, while leaving the TCP-mode printer (how it was previously installed) untouched, so as to maintain scanner functionality.

I suspect that something, perhaps the SANE version, that changed from 13.10 to 14.04 is the actual problem.  However, the latest drivers ("driver2") use a different set of Samsung libraries, and perhaps that will resolve the problem.

If not, I suggest filing a bug with Ubuntu or the SANE project, because a change there appears to be at fault.  Otherwise, I'm sorry but I do not have any other ideas.

Hi bchemnet, and thanks for your reply.

Checking through the compatibility list, I didn't see driver2 listed as compatible with my particular printer model (Samsung SCX3405W). So...remove "suld-driver-4.00.36" and install...what?

Clearly Samsung made some sort of major change to their library files; you are the second person to report that the old libsane-smfp works better.  Unfortunately, they didn't increment the version, so dealing with this is more complicated than it should be.  I'll look into it when I have some time.

@bchemnet Are there any updates on this front? Any extra info I can provide that might help with this issue? Thanks!!!

I recently bought a Samsung SCX-3405FW, and have had no issues printing with it.  Unfortunately the scanner is a bit more troublesome.  Under usb, sane-find-scanner detected the scanner, but I needed to force the xerox_mfp driver in order to get scanimage working (perhaps this model could be added to samsungmfp-scanner-sane-fix{,-multiarch}; the identifier is 04e8:344f).

Hi,

I have the exact same problem with a aSmsung SCX-3405W. The suld drivers worked flawlessly over network (both the printer and scanner) in Kubuntu 13.10, but after doing a fresh install of Kubuntu 14.04, I can no longer get the scanner to work (printing works fine)

Installed, just as the previous time, "suld-driver-4.00.36" and "suld-configurator-2-qt4".

None of my scanning apps detects the scanner (Skanlight, Xsane...). Suld-configurator doesn't detect it either. I removed "suld-driver-4.00.36" and installed 4.00.39.

No changes.


$ sudo scanimage -L

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No scanners were identified. If you were expecting something different,
check that the scanner is plugged in, turned on and detected by the
sane-find-scanner tool (if appropriate). Please read the documentation
which came with this software (README, FAQ, manpages).


- "suld-network-2" is the latest version.

- Have already gone through all the steps in "Scanner Questions".

- Added my user to the "lp" group

- "/opt/Samsung/mfp/bin/netdiscovery --all --scanner" finds nothing.

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# DEBUG: Network printers discovery utility

- "/opt/Samsung/mfp/bin/netdiscovery -s --snmp" does comes back the same:

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# DEBUG: Network printers discovery utility

- Both devices (laptop and scanner) are on the same network.

- Firewall is disabled

- Scanner works fine on my other laptop (Xubuntu 13.10 amd64) using 4.00.36 drivers.

Any ideas what I could do to solve this?

Thanks in advance!