The Hewlett-Packard 4100N LaserJet printer is an ample workhorse for offices needing a fast large capacity printer. The 4100N offers 1,200 dpi resolution, 32 MB RAM and two paper trays to ensure consistent, high quality printing over the life of the printer. Flexible for diverse environmental settings, the 4100N is network ready with included JetDirect internal print server. This monochrome laser printer delivers 25 ppm, from 3 by 5 inch to 8.5 by 11 inch images, with a large standard input capacity. Two paper trays (one 100-sheet capacity and one 500-sheet capacity) support the HP 4100N impressive input capacity of 600 sheets and 300 sheet rear and top output. An optional auto duplexing unit is available to expand productivity to two sided printing. You can print the full range of standard professional stationery and envelopes, plus transparencies and labels.