HP LaserJet 4250dtnsl Monochrome Printer - White - 43ppm - 460Mhz Processor - Dual Paper Trays - Top Mounted LCD Screen & 7-Button Control Panel - USB/Parallel/Ethernet Inputs - 1200 x 1200 DPI - Duplexing Feature - 80Mb Standard Built In Memory - 1100 Sheet Max Capacity - 2 x Free Back Mounted Expansion Slots - Built In Stapler & Stacking Devices - 200-240V UK Kettle Input