Pages Per Minute:  8
DPI (max):  600
Interface:  LocalTalk, RS-232/422 serial, Centronics parallel
Page Description Language:  PostScript Level 2, PCL 4+
Minimum Engine Life (pgs):  450,000

Minutiae:

Two SIMM sockets.  Upgraded one SIMM at a time.

4MB required for 300-dpi.  8MB required for 600-dpi.

When you add memory to a LaserWriter Pro 600, you must fill Bank 1 before Bank 2.  When installing SIMMs of two different sizes put the SIMM with the greater amount of memory in Bank 1.  When installing a double-sided SIMM (8MB) in one memory bank, the other memory bank must be left empty.

Fonts:
Apple Font Library: 64 fonts total.
35 fonts in ROM from the following font families: Avant Garde, Bookman, Courier, Helvetica, Helvetica Narrow, New Century Schoolbook, Palatino, Symbol, Times, Zapf Chancery, and Zapf Dingbats.  29 fonts on Macintosh disk from the following font families: Chicago, Delphian, Garamond Narrow, Geneva, Helvetica Black, Helvetica Compressed, Lubalin Graph, Lucida Bright, Machine, Monaco, Nadianne, New York, Old English Text, Onyx, Oxford, Swing, and Zeal. Any TrueType or PostScript fonts.

Imageable Area:
Maximum printable line: 8.1 in. (205.9 mm).
Minimum left and right margins 0.1379 in. (3.5 mm).
Minimum top margin 0.114 in. (2.9 mm).
Minimum bottom margin 0.197 in. (5.0 mm).

Recommended Duty Cycle:
Printer: minimum 450,000 pages.
Toner cartridge: 6,000 pages at 5% density.

Paper Capacities:
Standard:
100-sheet multipurpose tray (also holds up to 10 envelopes).
250-sheet letter cassette.
Optional:
500-sheet feeder.
Envelope feeder: up to 75 envelopes.

Print Materials:
Media: 20- to 24-lb. (75 to 90 g/m2) from cassette; up to 32-lb. (120 g/m2) with manual feed.
Paper: U.S. letter, U.S. legal, A4, B5.
Labels, envelopes, most textured stock, and transparencies.