Lexmark X644E Service Manual - Page 28

7002-xxx Environment Printer temperature and humidity • Operating - Temperature: 16 to 32° C (60° to 90° F) - Relative humidity: 8 to 80% - Altitude: 10,000 ft. (0 to 3,048 meters) • Storage and shipping environment (packaged) - Temperature: -40° to 43° C (-40° to 110° F) - Relative humidity: 5% to 95% - Altitude: equivalent to 10,300 meters (0 to 34,000 feet) • Storage environment (unpacked) - Temperature: 0° to 40° C (32° to 104° F) - Relative humidity: 5% to 80% Acoustics All measurements are made in accordance with ISO 7779 and conform with ISO 9296. Mode Emission sound pressure level (dBA) Bystander position average (LpAm) Standing Operator Position (LpAm) Printing 56 N/A Copying 57 62 Scanning 52 59 Ready 30 N/A Note: Measurements apply to 300 dpi, 600 dpi, and 1200 dpi printing. Declared sound power level (Bels) (LpAm) 7.0 7.2 6.8 4.5 1-8 Service Manual