1MB of RAM soldered on the motherboard.  No upgrade expansion.

Page Description Language / Emulation:
QuickDraw.

Print Engine:        
Canon LBP-SX laser xerographic.

Speed:         
8 pages-per-minute maximum (letter).  Actual speed depends on image complexity.

Print Quality:
300 dots-per-inch 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 LaserWriter IISC.).

Imageable Area:
Letter size: 8.0 by 10.5 in.
legal: 8.0 by 13.0 in.
A4:7.41 by 10.86 in.
B5: 7.69 by 10.16 in.

Interfaces:
SCSI (Small Computer System Interface).

Recommended Duty Cycle:
Printer: 300,000 pages.
Toner: 4,000 pages.

Paper Capacity:
Auto: 200 sheets: US Letter, Legal, A4, B5
Manual: Single sheets: US Letter, Legal, A4, B5
Envelope: 15 envelopes

Media:
Cassette Feed: 16 to 24 lbs. single sheet photocopy bond.
Manual Feed: 16 to 36 lbs. letterhead and colored stock.
Standard Weight transparency material. Envelopes and labels.

Power Requirements:
US/Japan: 100-115  VAC (+/- 10%), 50-60 Hz (+/- 2Hz).
Europe/Australia: 220-240 VAC (+/- 10%), 50 Hz (+/- 2Hz).

Power Consumption     
Standby: Average 170W
Operating: Maximum 900W at 115V, 780W at 220V, and 880W at 240V.