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Still does not print. Installed the suggested version of driver. No printer flashes ligths, waits 2 seconds and sound "pling". Print job is no longer in queue and printer display shows ready.

This is better than yesterday, since printing does not eat all CPU, but still not a working printer.

I think I see it now. I did not pay attention to the version number being part of the package name.

So there is a package named samsungmfp-driver-4.00.39 in the repo, and I can install it in the usual apt-get way?

Where can I get that from?

I did notice the samsungmfp* packages had different version numbers, but apt-get update and upgrade did not change that, and apt-cache policy looked OK.

Printer is Samsung CLX-3185, with USB cable. Computer runs Ubuntu 12.04.1.

Upgraded to 12.04.1 a week ago, added bchemnet repository and used the drivers from there. Worked like a charm until yesterday.

Not sure what caused this, but now printer fails to print. Ubuntu had some upgrades last night, after installing them this failure mode started.

root@peltola-linux:~# dpkg --list | grep -i samsung
ii  samsungmfp-common                      4.00.39-1                               Samsung Unified Linux Driver (common files)
ii  samsungmfp-data                        4.00.39-1                               Samsung Unified Linux Driver (data)
ii  samsungmfp-driver-4.00.35              4.00.35-3                               Samsung Unified Linux Driver (drivers)
ii  samsungmfp-libmfp                      4.00.39-1                               Samsung Unified Linux Driver (core library)
ii  samsungmfp-network                     4.00.39-1                               Samsung Unified Driver Configurator (network connectivity)
ii  samsungmfp-scanner                     4.00.39-1                               Samsung Unified Linux Driver (enable scanning)
root@peltola-linux:~#

I removed package printer-driver-splix

If I print one line of text from LibreOffice, that prints, but the print is smudgy and
in addition printer spits out 4 to 8 empty pages.

If I print test page from CUPS, printer starts flashing lights. Nothing prints, and top shows printing related processes taking all CPU. This goes on and on, looks like I could wait forever and nothing happens.

top - 12:55:51 up  1:27,  3 users,  load average: 2.11, 1.98, 1.85
Tasks: 162 total,   3 running, 154 sleeping,   0 stopped,   5 zombie
Cpu(s): 77.1%us, 22.6%sy,  0.0%ni,  0.0%id,  0.0%wa,  0.0%hi,  0.3%si,  0.0%st
Mem:   1024180k total,   854112k used,   170068k free,    22176k buffers
Swap:  1951860k total,    12132k used,  1939728k free,   329980k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND           
  939 root      20   0 17764  10m 2916 R 41.1  1.0  21:13.10 cupsd             
6330 lp        20   0  8688 2436 1360 R 41.1  0.2   3:04.56 rastertosamsung   
6331 root      20   0 23728 1416 1080 S  8.6  0.1   0:29.30 usb               
5987 sysman    20   0  502m 107m  31m S  3.3 10.7   1:50.56 firefox           
4720 root      20   0  237m  54m  25m S  2.3  5.4   1:05.01 Xorg               


top - 13:07:40 up  1:39,  3 users,  load average: 2.21, 2.13, 2.00
Tasks: 162 total,   4 running, 153 sleeping,   0 stopped,   5 zombie
Cpu(s): 83.2%us, 15.8%sy,  0.0%ni,  0.0%id,  0.0%wa,  0.0%hi,  1.0%si,  0.0%st
Mem:   1024180k total,   858544k used,   165636k free,    23420k buffers
Swap:  1951860k total,    12128k used,  1939732k free,   331356k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND           
6330 lp        20   0  8688 2436 1360 R 36.5  0.2   8:00.59 rastertosamsung   
  939 root      20   0 17764  10m 2916 R 36.1  1.0  26:09.00 cupsd             
6331 root      20   0 23728 1416 1080 R  7.0  0.1   1:24.90 usb               
4720 root      20   0  250m  54m  25m S  6.6  5.4   1:21.47 Xorg               
5987 sysman    20   0  499m 108m  31m S  4.6 10.8   2:25.39 firefox           

I have checked I am using the Samsung drivers.