HP LaserJet 4000 Printer series - Manual (Page 131)

A-14 Specifications
EN
Environmental Specifications
Electrical Specifications
Printer State Power Consumption
(average, in watts)
Printing 330
Standby 18
PowerSave
(default activation time 30 minutes)
16
Off 0
Minimum Recommended Circuit Capacity
100-127 Volt 8 amps
220-240 Volt 4 amps
Power Requirements (Acceptable Line Voltage)
100-127 Volt 50-60 Hz
220-240 Volt 50-60 Hz