How much energy does the HP Officejet 6600 consume, and are there ways to save energy?
The printer consumes 43 watts while printing, 46 watts while copying, 5 watts when ready, 3.3 watts in standby, and only 0.35 watts in Manual-Off mode. Users can save up to 40% on energy by using the Schedule On and Schedule Off feature to preset the device to turn on or off automatically. The printer is ENERGY STAR qualified.
From the official HP Officejet 6600 E All IN One Printer Series H711 manual, page 1
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