Pages Per Minute: 10 DPI (max): 600 Interface: LocalTalk, RS-232/422 serial, Centronics parallel Page Description Language: PostScript Level 2, PCL 5 Minimum Engine Life (pgs): 300,000 Minutiae: 1 SIMM socket. Ships with 3MB soldered on the motherboard and a pre-installed 4MB SIMM. Recognizes a maximum of 16MB of RAM even though 19MB may be installed. Energy Star: The LaserWriter Select 360 is EPA Energy Star-compliant. FAX: Supports Postscript FAXing with the option Apple FAX card. Printer Fonts: 64 Fonts Are Provided, Including Such Fonts As ITC Avant Garde(R), ITC Bookman(R), Chicago, Courier, Delphian, Garamond Condensed, Geneva, Helvetica, Helvetica Black, Helvetica Narrow, Lubalin Graph, Lucinda Bright, Machine, Monaco, Nadianne, New Century Schoolbook, New York, Old English Text, Onyx, Oxford, Palatino(R), Swing, Symbol, Times, ITC Zapf Chancery(R), ITC Zapf Dingbats(R), And Zeal. Imageable Area: Maximum printable line: 8.1 inches (207.7 mm). Minimum top and bottom margins: .18 inches (4.5 mm). Minimum left and right margins: .18 inches (4.5 mm). Actual imageable area may vary depending on the application program. The printer senses cassette size and adjusts to maintain these margins. Recommended Duty Cycle: Printer: Minimum life expectancy is 300,000 pages, with no monthly page limit. Toner: Paper Capacity: Standard Cassette: Holds up to 250 sheets of U.S. Letter, A4, or B5 paper Sizes. Optional Cassettes are available for 250 sheets of U.S. legal paper and 500 sheets of U.S. Letter or A4 paper. Multipurpose Tray: Holds up to 50 sheets of U.S.legal, A4, U.S. letter B5, or executive paper, or 5 envelopes. C5 envelopes. Paper Feed: Automatic feed from paper cassettes and multipurpose tray. Manual feed for single sheets. Printing Materials: Apple recommends 20-lb. photocopy or typewriter bond. You can use 16-lb. to 36-lb. paper via manual feed. The printer accepts most letterhead and colored stock, and medium-weight photocopier transparencies. Print labels or transparencies using manual feed or the multipurpose tray. Use envelopes recommended for Laser printers. Print envelopes using manual feed or automatically if you have the optional envelope cassette installed. Paper made with talc is not recommended for use with this printer.