http://www.sharp-idncservice.com/DesktopModules/SharpDriver/SDdlViewFile.aspx?IDFile=9883&file=D3-PPD-1.2-100806-Linux.zip&location=D:\index\idncservice\\DriverFiles\D3-PPD-1.2-100806-Linux.zip&From=SharpUSA The UNIX driver is for CUPS.. you might want to have a look at the ppd files and feel free to hack it. Can you get up to something less old?