The Samsung CLP-325 is a color laser printer and can be connected via USB. The printer also exists in a version with WiFi with the product ID Samsung CLP-325W).
This printer is supported by Linux via the “Samsung Unified Linux Driver”, which can be downloaded at the “Samsung Download Center” http://support.samsung.de/support/support_down_main.aspx.
The installation of the “Samsung Unified Linux Driver” needs already installed CUPS, SANE and GhostScript as prerequisites.
The Installation of the Linux drivers is explained for Ubuntu (in german) at http://wiki.ubuntuusers.de/Samsung-Laserdrucker?highlight=samsung#Samsung-Unified-Linux-Driver.