The drivers in this ppa don't seem to work with a freshly installed 12.04 amd64 and a Samsung ML-2165W printer on the network. When I install the drivers from the ppa, add the printer using config-system-printer, and print a test page, all I get out on the printer is five lines:
However, if I uninstall the drivers from the ppa, download UnifiedLinuxDriver_1.01.tar.gz from Samsung, manually install the drivers from the download, and perform the identical printer configuration, I get a successful test print.
INTERNAL ERROR - Undefined Command
POSITION : 0x0 (0)
SYSTEM : h6fw_5.51/x1_pa_sim
LINE : 296
VERSION : SPL 5.51 03-28-2011
BTW, I wasn't able to setup the printer using the Samsung Unified Driver Configurator that the Samsung install provided (it wouldn't let me add a printer), but I was able to get it working by running config-system-printer from a terminal.