Pages Per Minute:  4
DPI (max): 300
Interface:  SCSI
Page Description Language:  Quickdraw
Minimum Engine Life (pgs):  150,000

Minutiae:

Fonts (On Disk):
Courier, Helvetica, Symbol, and Times.
Font styles: plain, bold, italic, and bold italic, with additional styles depending on the application.  (For best results, these fonts should be installed in the System file in your Macintosh computer from the disks shipped with the Personal LaserWriter SC.).

Imageable Area:
Maximum printable line: 8.1 inches (205.9mm).
Minimum top and bottom margins: 0.235 inches (6.0mm).
Minimum left margin: 0.197 inches (5.0mm).
Minimum right margin: 0.197 inches (5.0mm).

Recommended Duty Cycle:
Printer: minimum 150,000 pages, with no monthly page limit.
Toner cartridge: 3,500 pages.

Paper Capacities:
Paper cassette: 250 sheets of 20-lb.
Multipurpose tray: up to 50 sheets of paper or 5 envelopes.
Optional envelope cassette: 15 envelopes (To print envelopes, you can use the multipurpose tray with automatic or manual feed.  To print labels, use the multipurpose tray using manual feed.).

Print Materials:
Apple recommends 20-lb paper. For best results, use envelopes that are recommended for laser printers.