Turn off, and unplug, printers connected to work computers when not in use.
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DescriptionIf a printer is used rarely, turn it off, or even unplug it, when you are not printing something. This is especially important for printers that have a lighted display that is lit when the printer is idle, as the light is consuming electricity.
- year round
Assumptions We MadeAssume printer is originally always "on" (3W) for 24 hours in a day, and that it is actually printing 1 hour each day. Now, printer is "off" (0 W) for 23 hours of the day, and "on" and printing 1 hour each day. http://www.psnh.com/Residential/ReduceBill/ApplianceUsage.asp; http://www.energyrating.gov.au/library/pubs/sb200303-printers.pdf
Each time you carry out this action, the immediate impacts are:
- Saves 0.01 dollars
- Saves 0.07 kilowatt hours
- Saves 0.09 lbs of CO2
Some actions also have additional impact over time. For this action, these are:
Potential Annual ImpactWe assume that this action will be carried out daily (about 160 times a year). In this case, in a year you could save:
- 1.12 dollars
- 11.04 kilowatt hours
- 15.04 lbs of CO2
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