General information 1-7
5025-2xx, 4xx
High-voltage models
• 220 to 240 V ac at 47 to 63 hertz (Hz) nominal (not available in all countries)
• 198 to 259 V ac, extreme
Notes:
• Using a 220 V ac to 110 V ac power converter with a low voltage printer is not recommended.
• Using an inverter to change DC to AC voltage (12 V to 120 V for example) is not recommended.
• All duplex models are ENERGY STAR compliant.
Acoustics
All acoustic measurements are made in accordance with ISO 7779-1999 and reported in conformance with
ISO9296:1988-04-15.
Environment specifications
Operating mode 1-Meter average sound pressure at 4800 CQ
Lexmark
C540n
Lexmark
C543dn
Lexmark
C544n
Lexmark
C544dn
Lexmark
C546dtn
Printing (simplex) 47 dBA 47 dBA 49 dBA 49 dBA 49 dBA
Printing (automatic
duplex)
N/A 50 dBA N/A 51 dBA 51 dBA
Idle Inaudible Inaudible Inaudible Inaudible Inaudible
Quiet Mode (simplex) 46 dBA 46 dBA 46 dBA 46 dBA 46 dBA
Environment Specifications
Operating
Air temperature—operating 16 to 32°C (60 to 90°F)
Air temperature—power off 10 to 43°C (50 to 110°F)
Air relative humidity Relative Humidity 8% to 80%
Wet bulb temperature—operating 23°C (73°F) maximum
Wet bulb temperature—power off 27°C (80°F) maximum
Altitude 0–3,048 meters (10,000 ft.)
Atmospheric pressure 74.6 kPa
Ambient operating environment* 16 to 32°C (60 to 90°F) and 8% to 80% RH
Ship / Storage
Cartridges -40 to 43°C (-40 to 110°F)
Printer with cartridges -40 to 43°C (-40 to 110°F)
Printer without cartridges -40 to 43°C (-40 to 110°F)
Air relative humidity Relative Humidity 8% to 80%
Altitude 10,300 meters (34,000 feet)
Wet bulb temperature—power off 27°C (80°F) Maximum
* In some cases, performance specifications (such as paper OCF, EP cartridge usage) are specified to be
measured at an ambient condition.
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