190
Noise emission levels
The following measurements were made in accordance with ISO 7779 and reported in conformance
with ISO 9296.
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.
Laser notice
The printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR Subchapter J for
Class I (1) laser products, and elsewhere is certified as a Class I laser product conforming to the
requirements of IEC 60825-1.
Class I laser products are not considered to be hazardous. The printer contains internally a Class IIIb
(3b) laser that is nominally a 5 milliwatt gallium arsenide laser operating in the wavelength region of
770-795 nanometers. The laser system and printer are designed so there is never any human access
to laser radiation above a Class I level during normal operation, user maintenance, or prescribed
service condition.
1-meter average sound pressure, dBA
Printing 52 dBA
Idling 32 dBA
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