Maximize business productivity. The WorkCentre 3315 is a 33 ppm black and white laser MFP. It comes standard with a 360MHz processor and 128MB of RAM that can be upgraded to 384 MB. The standard tray holds 250 sheets with a bypass tray that holds 50 sheets. The auto doc feeder holds 50 sheets. It connects via 10/100Base-T Ethernet and USB 2.0. It also comes standard with automatic 2 sided printing.