Lexmark C524 User's Guide - Page 138
Noise emission levels, Energy consumption, Power regulation notice, Total energy usage, meter average - power supply
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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 Idling All models 55 dBA 34 dBA Energy consumption The following table documents the power consumption characteristics of the printer Mode Printing Power Saver Description Power consumption Printer is generating hard copy output 350 W Printer is in energy saving mode 15 W for C520 and C522 17 W for C524 16 W for C522 18 W for C524 network models and C524 duplex network model The power consumption levels listed in the previous table represent time-averaged measurements. Instantaneous power draws may be substantially higher than the average. Power regulation notice Warning: Electrical surges can be very destructive to equipment connected to AC power sources. If you plan to operate your printer at a voltage exceeding the voltage range(s) in the following table, you must attach a suitably rated and certified power-regulating device (such as a voltage stabilizer or UPS device) to the printer power supply. Your warranty may not cover damages caused by power surges. Maximum Voltage Nominal Voltage Range Range 100V-110V AC 90V-117V AC 110V-127V AC 99V-134V AC 220V-240V AC 198V-254V AC Total energy usage It is sometimes helpful to calculate the total printer energy usage. Since power consumption claims are provided in power units of Watts, the power consumption should be multiplied by the time the printer spends in each mode in order to calculate energy usage. The total printer energy usage is the sum of each mode's energy usage. Electronic emission notices 138