Lexmark MX721ADHE User's Guide PDF

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Temperature information

Operating temperature and relative humidity 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)

Printer / cartridge / imaging unit long-

term storage

Printer / cartridge / imaging unit short-term

shipping

-40 to 43.3°C (-40 to 110°F)

Supplies shelf life is approximately 2 years. This is based on storage in a standard oce environment at 22°C (72°F)

and 45% humidity.

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 Power consumption (Watts)

Printing The product is generating hard‑copy output

from electronic inputs.

One-sided: 800 (MX721, XM5365); 850 (MB2770,

MX722, XM5370); 750 (MX725)

Two-sided: 580 (MX721, XM5365); 640 (MB2770,

MX722, XM5370); 570 (MX725)

Copy The product is generating hard‑copy output

from hard‑copy original documents.

830 (MX721, XM5365); 890 (MB2770, MX722,

XM5370); 810 (MX725)

Scan The product is scanning hard‑copy documents. 75 (MX721, XM5365); 73 (MB2770, MX722, XM5370);

158 (MX725)

Notices 297

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Lexmark MX721ADHE