Lexmark CS421 Users Guide PDF - Page 173
Static sensitivity notice, ENERGY STAR, Temperature information, Laser notice
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Notices 173 Static sensitivity notice This symbol identifies static-sensitive parts. Do not touch the areas near these symbols without first touching a metal surface in an area away from the symbol. To prevent damage from electrostatic discharge when performing maintenance tasks such as clearing paper jams or replacing supplies, touch any exposed metal frame of the printer before accessing or touching interior areas of the printer even if the symbol is not present. ENERGY STAR Any Lexmark product bearing the ENERGY STAR® emblem on the product or on a start-up screen is certified to comply with Environmental Protection Agency (EPA) ENERGY STAR requirements as configured when shipped by Lexmark. Temperature information Operating temperature and relative humidity Printer / cartridge / imaging unit longterm storage1 10 to 32.2°C (50 to 90°F) and 15 to 80% RH 15.3 to 32.2°C (60 to 90°F) and 8 to 80% RH Maximum wet bulb temperature: 22.8°C (73°F) Non-condensing environment Printer / cartridge / imaging unit short-term shipping -40 to 43.3°C (-40 to 110°F) 1 Supplies shelf life is approximately 2 years. This is based on storage in a standard office environment at 22°C (72°F) and 45% humidity. 2 Wet-bulb temperature is determined by the air temperature and the relative humidity. Laser notice The printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR, Chapter I, Subchapter J for Class I (1) laser products, and elsewhere is certified as a Class I laser product conforming to the requirements of IEC 60825-1: 2014. Class I laser products are not considered to be hazardous. The printer contains internally a Class IIIb (3b) AlGaInP laser that is nominally 15 milliwatts operating in the wavelength region of 650-670 nanometers and enclosed