1MB memory soldered on the motherboard.

Page Description Language / Emulation:
QuickDraw.

Print Engine:
Canon LBP-LX laser Xerographic.

Speed:
Four pages per minute maximum.  Actual Speed depends on image complexity.

Print Quality:
300 dots per inch for text and graphics.

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).

Interface:
SCSI (Small Computer System Interface).

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.

Power Requirements:
U.S./Japan: 100 to 115 volts AC, 50 to 60 hertz.
Europe/Australia: 220 to 240 volts AC, 50 to 60 hertz.

Power Consumption:
600 watts maximum at 115 volts.
550 watts maximum at 220 volts.