Apple LaserWriter 12/640 PS - Manual (Page 376)

Storage (toner cartridge)
m Temperature 32° to 95° F (0° to 35° C)
m Humidity 15 to 85 percent RH non-condensing
Storage (printer)
m Temperature 32° to 122° F (0° to 40° C)
m Humidity 35 to 85 percent RH non-condensing
Voltage requirements
U.S.
m 103.5 to 126.5 VAC, 58 to 62 Hz
or Europe/Australia
m 198 to 264 VAC, 48 to 52 Hz
IMPORTANT: The LaserWriter 12/640 PS printer does not contain a universal
power supply.
Power consumption
Energy-saving mode
m 26 W
Standby average
m 100/120 V, approximately 125 W
m 220/240 V, approximately 120 W
Operating average
m 110/120 V, approximately 390 W
m 220/240 V, approximately 370 W
Maximum power consumption
m 110/120 V, approximately 790 W, 6.8 A
m 220/240 V, approximately 770 W, 3.5 A
351 Technical Information