Pages Per Minute: 4 DPI (max): 300 Interface: serial Page Description Language: QuickDraw Minimum Engine Life (pgs): 100,000 Minutiae: 0.5MB soldered on the motherboard. 2MB virtual RAM buffer using Apple custom compression algorithms. EPA: EnergyStar compliant. Fonts: AvantGarde, Bookman, Chicago, Courier, Geneva, Helvetica, Helvetica Narrow, Monaco, New Century Schoolbook, Palatino, Symbol, Times, Zapf Chancery, and Zapf Dingbats. Imageable Area: Maximum printable line: 8.0 in (203.2 mm). Minimum top, bottom, left, and right margins: 0.25 in. (6.35 mm). Recommended Duty Cycle: Printer: 8,000 pages per month maximum. Toner: 3,000 pages at 5% density. Paper Capacities: Standard: Manual feed tray. 100-sheet Universal cassette. Media: 16lb to 28lb. bond via manual feed. Paper: U.S. letter, U.S. legal, A4, and executive, most letterhead and colored stock, labels, and envelopes, medium-weight photocopier transparencies.