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Messages - bchemnet

#241
Printing / Re: Shared printer problem
May 04, 2014, 13:59:39
I have no experience sharing with a Windows computer, so I don't know what the solution might be.  You could try the latest driver (1.00.21), which I am about to post - but it may not be a Samsung driver issue.
#242
Printing / Re: No Colorprinting
May 04, 2014, 13:54:40
I am about to post a new driver version, you could try that (driver2-1.00.21).
#243
As a temporary fix, I will add both names as resolving this dependency to the latest release of this package.  Hopefully it won't cause additional problems for those using the newer library.
#244
Thanks for sharing the solution.  I will add this as a possible solution for network issues.
#245
Have you tried the 3.00.65 driver from the repository?

Otherwise, you don't need the repository if the direct install works for the server.
#246
I agree that this is strange.  However, what exactly is the problem you are having as a result of sane-find-scanner not finding the scanner, if the other tools work?
#247
I am not aware of any issues related to Ubuntu 14.04, so you should not need to take any action.
#248
Printing / Re: Driver not found for SL-M2820DW
March 06, 2014, 21:11:09
I think this is the same as the M2825 series, which means the M262x driver series should work.
#249
Printing / Re: SCX-4729FD
February 27, 2014, 20:06:45
No diagnostics that I am aware of.  I run into this problem as well (and only with my Samsung printer, not with various others), often with Impress but occasionally elsewhere.  I've had reasonable success by exporting to a PDF and then printing that.  I'm not sure where the problem is or why that sometimes help.  It may be a file size/complexity issue - I have some small amount of image compression set for the PDF export.

And sometimes I just end up printing 1 page at a time.
#250
As far as I know, there are not any environment variables that you can set.  The only thought I have would be to try setting the wireless network to a higher IP range than the wired (e.g., 192.168.2.x) - perhaps the issue is that libsane-smfp always uses the lowest?

Alternatively, try an older driver and see if it behaves better.
#251
Are you using system-config-printer or some other interface?  (If you aren't sure, try running system-config-printer from the terminal.)  If it is system-config-printer, then you may need to skip any auto-detect routines (try it with the printer off) and manually select Samsung and then the driver.

If it isn't system-config-printer, try installing and using that.
#252
Thanks.  Now that I'm looking at this, I think actually the whole inner "if" is unnecessary.  I will put out a patched version in a few days.
#253
Thanks for sharing.  I added this as a possible solution.
#254
Scanning / Re: Scan on CLX-3160
January 26, 2014, 09:33:35
I don't know what is causing this problem.  My best guess is something in the current version of libsane (sane-backends) that is shipping with 13.10 and 14.04.  There are two other similar threads going in these forums right now about this, but I can't see much in common except a version of libsane that has a couple of extra patches not applied in previous releases or in the Debian series of packages.  My best suggestion now is to file a bug report with Ubuntu against the package, although honestly I wouldn't expect much of a response.

Sorry I can't be more help.
#255
Scanning / Re: M2070W scanner not found
January 26, 2014, 09:33:25
I don't know what is causing this problem.  My best guess is something in the current versions of libsane (sane in Arch) that are shipping with the latest Ubuntu and Arch releases.  There are two other similar threads going in these forums right now about this, but I can't see much in common except a version of libsane that has a couple of extra patches not applied in previous releases or in the Debian series of packages (in Arch, actually a whole new release compared to Debian).  My best suggestion now is to file a bug report with Arch against the package, although honestly I wouldn't expect much of a response.

Sorry I can't be more help.
#256
I don't know what is causing this problem.  My best guess is something in the current version of libsane (sane-backends) that is shipping with 13.10 and 14.04.  There are two other similar threads going in these forums right now about this, but I can't see much in common except a version of libsane that has a couple of extra patches not applied in previous releases or in the Debian series of packages.  My best suggestion now is to file a bug report with Ubuntu against the package, although honestly I wouldn't expect much of a response.

Sorry I can't be more help.
#257
What is the output of "/opt/Samsung/mfp/bin/netdiscovery --all --scanner"?
#258
Scanning / Re: Scan on CLX-3160
January 19, 2014, 08:32:09
Are you running Ubuntu 13.10 (Saucy)?  It appears that several other people are having similar problems, and the only common feature I can see so far is the Ubuntu version.
#259
Scanning / Re: Scan on CLX-3160
January 16, 2014, 19:58:57
Quote from: George82 on January 15, 2014, 07:15:41
I try this with normal user and root
I also tried old drivers, but with these drivers my scanner is not found.
Any ideas?

It appears that some network signals for the scanner are going through but not others.  Are you running a firewall that could be interfering with something?  Alternatively, is there anything unusual about your network configuration?
#260
TotallyKing or Angelnu, any comments regarding this topic?
http://www.bchemnet.com/suldr/forum/index.php?topic=181.0
#261
Printing / Re: probs with update Ubuntu
January 16, 2014, 19:44:10
The file paths are incorrect.  I suspect that your repository configuration has been corrupted.  Try removing the repository, and then adding it again as a new one.
#262
Are you able to print any actual documents?  It's possible that the Self Test page has a set of instructions that the printer doesn't like, but that aren't relevant for documents.
#263
Quote from: zachary on January 13, 2014, 02:41:38
If it is via some network auto detection, that implies (I suspect) configuration of other services to that end, such avahi or equivalent.
If I'm on the right track, can you clarify which mechanisms suld uses to find the scanner address?

It uses its own utility, either /opt/Samsung/mfp/bin/netdiscovery or /usr/lib/cups/backend/smfpnetdiscovery depending on the version of the driver.  Basically it seems to run a UDP scan of some sort (I've never looked into it much detail).  For it to work, the only thing you need to do is ensure is that your firewall allows UDP replies from the printer IP address (which is standard behavior).

That said, because it is a custom utility, there certainly have been times it hasn't worked correctly.  I don't know how it gets triggered, but the idea is that you shouldn't need to manually modify any files.
#264
Quote from: zachary on January 12, 2014, 15:15:15
Thus far I had used the expression "specify a backend" to mean that I've added the "tcp..." line to a specific file under /etc/sane.d. So I've specified the xmfp_mfp backend only in the sense that it is at the end of /etc/sane.d/xmfp_mfp.conf my "tcp..." line. Where should I put it instead not to specify a backend, and trying that way to have the suld backend picked up?

In theory, the suld driver should be able to work with the scanner without modifying anything.  So simply remove anything you have added to the .conf file.

Of course, the result may also be that the scanner isn't detected by SANE at all.
#265
Quote from: zachary on January 12, 2014, 12:02:09
Are there other backends that I could/should use? I went for the xerox-mfp because that's what I've seen mentioned on the suld website and in other replies on this forum. In fact, I wasn't entirely sure about whether which one I should use between xerox-mfp and xerox-mfp_smfp... If there are alternatives I should try, I'm all ears! :)

xerox-mfp_smfp is not a real backend, it still refers to xerox-mfp.  The only other thing to try is to not specify a backend at all and see if it picks up the suld backend (which can't be forced, because it isn't a SANE component).

Quote from: zachary on January 12, 2014, 12:02:09
I'll give newer sane versions a try. Still, it seems to me that there is arguably a bug *also* in the scanner firmware. It is definitely inappropriate for it to reboot, no matter what the client is telling it over the network.

Agreed.  If you can't get it work without xerox-mfp or with a newer SANE, it's probably also worth contacting Samsung (or perhaps even if you do get it work).
#266
Quote from: zachary on January 11, 2014, 10:38:14
First of all xsane (but in general everything sane-related, it seems) takes a lot to scan for devices, about 35 seconds before showing the device dialog. It's not clear to me if that is normal or not. Any takers? If it is "normal", is there a way to avoid the device scanning and reuse the results from the last run? I'd be particularly cool if that could be done even when xsane is invoked by other applications, and most notably gimp.

This seems to depend on what hardware you have present.  For example, the device scan time on my computer went up substantially after I added a TV tuner card.  I have no idea why, presumably sane is testing hardware that it thinks might be responsive.  I know you can set the environment variable SANE_DEFAULT_DEVICE to designate a particular default device, but I don't think that actually prevents sane from searching for devices every time xsane starts.

Quote from: zachary on January 11, 2014, 10:38:14
It looks like a bug in the scanner firmware, but it's probably one which is caused by xsane and/or the suld driver (because otherwise there will be way more people than me complaining about this over the net... :)).

Any idea about how to fix / work around this?

Since it seems to be using the xerox-mfp backend, I would guess that's where the problem lies, not the Samsung driver.  There is a newer version of sane available (1.24 and 1.25 in development) than is currently in the Debian repositories, you could try installing that and see if it resolves the problem.  Otherwise I would suggest filing a bug report with the SANE project, and/or searching their reports for something similar that may provide a clue to a work-around.
#267
From your description, I doubt that this is due to the Samsung drivers.  If there has been an update to sane recently, that might be it.  Or it could be hardware?

Sorry I can't give any specific help.
#268
Scanning / Re: M2070W scanner not found
January 05, 2014, 11:38:42
Quote from: larrysz on January 04, 2014, 01:39:52
Printing is working under Linux. Later I'll see how well it is working. Do you mean that I could try the qt based configurator programs to get wireless working under Linux?

No, the Configurator won't work with that driver.  I was thinking of the "Printer Setting Utility" available for some models.  For example:
http://www.samsung.com/us/support/owners/product/ML-2165W/XAC

I don't know how general the utility is or if it is localized, but some printers seem to require it to configure the wireless.
#269
Scanning / Re: M2070W scanner not found
January 03, 2014, 16:42:26
There is no SANE support for this printer series.  The current development version of SANE (1.0.25, Ubuntu/Debian haven't even packaged the 1.0.24 version yet and still have 1.0.23 or older) has limited support for some of the Xpress-type printers.  So the edits you made won't help in this case.  (I will file away the information you provided to include in a future package for when it may help.)

I suggest contacting Samsung to file a report that the scanner doesn't work and you can't configure the wireless, especially since this printer seems to not be all that reliable with the available driver based on other comments.  This new driver is supposed to be an all-in-one wonder, so there isn't a piece that can be missing.  Samsung does not provide a wireless configuration piece for this printer, but I suppose it's possible that the setup utility they provide for a different printer may work (if one is needed, which I don't know).

In principle there is no reason you shouldn't be able to install the Windows drivers in a virtual machine and try to configure it that way, as long as you set up Virtualbox to pass through the USB connection (or do it wirelessly).  Although based on the number of Windows drivers Samsung provides for the printer, I wonder if there aren't issues with the Windows driver as well..... (Just spectulation, I have no evidence.)
#270
Printing / Re: Can't find driver for M2070W printer
December 26, 2013, 15:31:34
I don't know why it isn't showing up.

However, you should still be able to set up your printer by choosing "Provide PPD file" instead of choosing from the list of vendors.  If you have suld-ppd-3 installed (which should be if suld-driver2-1.00.06 is installed), then the correct file is /usr/share/ppd/suld/Samsung_M2070_Series.ppd.gz .
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