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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
15.3 to 32.2°C (60 to 90°F) and 8 to 80% RH
1.1 to 35°C (34 to 95°F) and 8 to 80% RH
Maximum wet-bulb temperature
2
: 22.8°C (73°F)
Non-condensing environment
Printer / cartridge / imaging unit long-
term storage
1
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 laser system and printer are designed so there
is never any human access to laser radiation above a Class I level during normal operation, user maintenance,
or prescribed service conditions. The printer has a non-serviceable printhead assembly that contains a laser
with the following specifications:
Class: IIIb (3b) AlGaAs
Nominal output power (milliwatts): 25
Wavelength (nanometers): 755–800
Power consumption
Product power consumption
The following table documents the power consumption characteristics of the product.
Note:
Some modes may not apply to your product.
Notices
213
Summary of Contents for M5255
Page 107: ...2 Remove the toner cartridge 3 Remove the used imaging unit Maintaining the printer 107 ...
Page 118: ...2 Remove the used pick roller 3 Unpack the new pick roller Maintaining the printer 118 ...
Page 119: ...4 Install the new pick roller 5 Close the multipurpose feeder Maintaining the printer 119 ...
Page 141: ...2 Remove the staple cartridge holder 3 Remove the loose staples Clearing jams 141 ...