1.5MB of RAM soldered on the motherboard.  Not upgradeable.

Page Description Language / Emulation:
PostScript® level 1 /  Diablo 630 using a subset of the Diablo command set.

Print Engine: 
Canon LBP-CX laser-xerographic.

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

Print Quality:
300 dot-per-inch text and graphics.

Fonts (Resident):
Courier, Helvetica, Symbol, and Times.

Imageable Area:
Letter size: 8.0 by 10.9 in.
legal: 7.0 by 12.5 in.
A4: 7.5 by 10.5 in.
B5: 7.0 by 10.0 in.

Interfacing interconnects:
AppleTalk.
RS-232C via PostScript.
Special Diablo 630.

Recommended Duty Cycle:
Printer: Less than 4000 pages per month.
Toner: 2,000 to 3,000 pages.

From Automatic cassette:
Optimum= Single sheet photocopy bond.
Range= Letterhead and color stock, 16 to 21.33 pounds.

Power Requirements:
 US Model M0156: 115 VAC (+/- 10 percent) 60 Hz.
Amp requirements (maximum power utilization): 6.6 amps.
European Model M0156Z: 220 VAC (+/- 10 percent) 50 Hz.  240 VAC (+/- 10 percent) 50 Hz.