Laser printers are an office necessity. And they are smart devices. They obey everyone's print jobs, and they even sleep when no one in the office needs them. But despite their internal smarts, they still waste more energy than we hope.

How deep is your sleep? In the case of one Manhattan office, its laser printers use an average of 50 watts of power when people are in the office and an average of 28 watts after hours, when the printers are 'sleeping'. In aggregate, this means that 45% of the printers' power consumption is wasted when the office is empty.

Many light sleepers. So for this office with 30 laser printers, that's 840W of wasted power each night.

In this section, we share savings and insights sent in by modlet users.
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