Plotter, Max Print Size: 42" x 300', 1200 x 600 DPI, Roll Feed, 128 MB RAM, 40 GB Hard Drive, Network Ready (10/100 BaseTX), Connects Via Parallel and Fast Ethernet, Mac & PC Compatible-The HP Designjet 5500 42�€� series printers turn around ready-to-sell-and-distribute prints at some of the fastest speeds available -- without compromising image quality. You are able to transfer files at up to 4.5 megabytes per second using a powerful HP jetdirect 615n print server card and receive fast printing with professional image quality at speeds of up to 499 Sq. Ft. Per Hour Print Speed. A six ink, 1200 dpi writing system and HP color layering technology provide outstanding photo quality for all your large-format printing.