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Class I laser products are not considered to be hazardous. The printer contains internally a Class IIIb (3b) laser that is
nominally a 7 milliwatt gallium arsenide laser operating in the wavelength of 655-675 nanometers. 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 condition.
Laser advisory label
A laser notice label may be affixed to this printer as shown:
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.
T650: 640 W (simplex), 540 W (duplex); T652: 725
W (simplex), 565 W (duplex); T654: 740 W
(simplex), 575 W (duplex)
Copying The product is generating hard-copy output from
hard-copy original documents.
N/A
Scanning The product is scanning hard-copy documents. N/A
Ready The product is waiting for a print job. T650: 80 W; T652: 85 W; T654: 85 W
Power Saver The product is in energy-saving mode. T650: 12 W; T652: 13 W; T654: 14 W
Off The product is plugged into a wall outlet, but the
power switch is turned off.
0 W
The power consumption levels listed in the previous table represent time-averaged measurements. Instantaneous
power draws may be substantially higher than the average.
Values are subject to change. See www.lexmark.com for current values.
Power Saver
This product is designed with an energy-saving mode called Power Saver. The Power Saver Mode is equivalent to
the EPA Sleep Mode. The Power Saver Mode saves energy by lowering power consumption during extended periods
of inactivity. The Power Saver Mode is automatically engaged after this product is not used for a specified period of
time, called the Power Saver Timeout.
Factory default Power Saver Timeout for this product (in minutes):
30
Notices
205