Lexmark T430 Technical Reference - Page 327
Printer Specifications, Airflow Requirement, Noise Emission Levels
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7-1 Specifications CHAPTER 7: Printer Specifications This chapter lists printer specifications and information about hardware, environmental conditions, and power requirements. Airflow Requirement Room should meet ASHRAE 62-1989 standards. Noise Emission Levels The following measurements were made in accordance with ISO 7779 and reported in conformance with ISO 9296. Table 7-1: Noise Emission Levels Status Printing Duplex printing Standby (Idle without Power Saver) Status Printing Duplex printing Standby (Idle without Power Saver) 1-Meter Average Sound Pressure, dBA T430, T430d, T430dn T640, T642, T644 W840 55 53, 55, 55 55 54 55, 58, 58 57 Background noise only 30 28 Declared Sound Power Level, Bels T430, T430d, T430dn T640, T642, T644 W840 55 55 55 54 58 57 Background noise only 30 28