Noise Emission Levels; Energy Star - Lexmark T420 User Reference

Noise emission levels

The following measurements were made in accordance with ISO 7779 and reported in conformance
with ISO 9296.
1-meter average sound pressure, dBA
Printing 51 dBA
Idling 30 dBA

Energy Star

The EPA ENERGY STAR Office Equipment program is a partnership effort with office equipment
manufacturers to promote the introduction of energy-efficient products and to reduce air pollution
caused by power generation.
Companies participating in this program introduce products that power down when they are not being
used. This feature will cut the energy used by up to 50 percent. Lexmark is proud to be a participant in
this program.
As an ENERGY STAR Partner, Lexmark International, Inc. has determined that this product meets the
ENERGY STAR guidelines for energy efficiency.
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