Epson Action Laser II - Manual (Page 194)

Printer Specifications
Controller hardware
CPU: 68000 (CPU clock 14.1312 MHz)
RAM: Standard: 0.5 MB (expandable up to 5.5MB)
Environmental
Temperature:
Humidity:
0 to 30°C (32 to 80°F)
20%
to 80% RH
Atmospheric pressure:
No less than 740 millibar (about the same as
atmospheric pressure at a 2500 m or 8200 ft
altitude)
Operating Angle: Should be kept level.
Technical Specifications 8-11