Lexmark X422 X422 MFP User's Reference - Page 14
Noise emission levels, Energy Star
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Notices 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 (simplex) 51 Copying from the automatic document feeder 52 Scanning from the automatic document feeder 47 Idling 30 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. Noise emission levels 14