Lexmark Optra E310 600 600 5000 sheets per cartridge http://www.lexmark.com/US/Products/printers/1,2792,MTE4fDE=,00.html us-ascii PCL 6 Emulation, PostScript Level 2 Emulation, NPAP, PJL Lexmark Optra E310 Lexmark International Lexmark Optra E310 A Postscript A postscript printer, so works fine. <br>Std 2M is okay, but you should add more. <br>Holds up to 66Mb, takes standard 72pin SIMM. <br>Also speaks PCL5e, PCL 6. <br>PS must be enabled as factory <br>settings set PCL emulation. <br>The Lexmark URL is for the Optra E312; the E310 doesn't officially exist any longer (but still works great!).