I am in the same situation. lp works, print jobs appear in Completed Jobs, but nothing is printed. However... LibreOffice 3.5 Writer can also print. This means my money was not completely wasted.
clp-365 connected by USB
Mint 13 Maya Mate
driver downloaded from Samsung: UnifiedLinuxDriver_CLP-360_0.87.tar.gz (install.sh dated Tue 20 Mar 2012)
Quality option changed to "normal"
Computer CPU is an old AMD dual core Athlon 5200+ @ 2.7 GHz
Update: Well, Writer can print text. If the document has pictures, then it does the usual completed job but nothing printed.
clp-365 connected by USB
Mint 13 Maya Mate
driver downloaded from Samsung: UnifiedLinuxDriver_CLP-360_0.87.tar.gz (install.sh dated Tue 20 Mar 2012)
Quality option changed to "normal"
Computer CPU is an old AMD dual core Athlon 5200+ @ 2.7 GHz
Update: Well, Writer can print text. If the document has pictures, then it does the usual completed job but nothing printed.