Lexmark MX721 User Manual page 297

Notices
Temperature information
Operating temperature and relative humidity
Printer / cartridge / imaging unit long-
1
term storage
Printer / cartridge / imaging unit short-term
shipping
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.
Mode Description
Printing The product is generating hard‑copy output
from electronic inputs.
Copy The product is generating hard‑copy output
from hard‑copy original documents.
Scan The product is scanning hard‑copy documents. 75 (MX721, XM5365); 73 (MB2770, MX722, XM5370);
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 15% RH
Maximum wet bulb temperature: 22.8°C (73°F)
-40 to 43.3°C (-40 to 110°F)
Power consumption (Watts)
One-sided: 800 (MX721, XM5365); 850 (MB2770,
MX722, XM5370); 750 (MX725)
Two-sided: 580 (MX721, XM5365); 640 (MB2770,
MX722, XM5370); 570 (MX725)
830 (MX721, XM5365); 890 (MB2770, MX722,
XM5370); 810 (MX725)
158 (MX725)
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