HP - Power supply (internal) - AC 220 V - 30 Watt - for LaserJet 4si, 4simx, IIIsi More information: General | Device Type | Power supply - internal | Power Device | Power Consumption Operational | 36 Watt | ![](/p.gif) | Input Voltage | AC 220 V | ![](/p.gif) | Frequency Required | 50 Hz | ![](/p.gif) | Output Voltage | 24 V | ![](/p.gif) | Power Capacity | 30 Watt | Compatibility Information | Designed For | HP LaserJet 4si, 4simx, IIIsi |
|