General information 1-7
4061-xx0
Power requirements
Average nominal power requirements for the base printer configuration (110 volt). Power levels are shown in
watts (W). Maximum current is given in Amperes (A).
Electrical specifications
Low voltage model
•
100 to 127 V ac at 50 to 60 Hz nominal
• 90 to 137 V ac, extreme
High voltage model
•
220 to 240 V ac at 50 to 60 Hz nominal (not available in all countries)
• 190 to 259 V ac, extreme
Notes:
• Using a 220 to 110 power converter with the 110 volt printer is not recommended.
• All models are ENERGY STAR qualified.
• The default timeout to power saver is 30 minutes for all models.
Printing states
Lexmark T640
Lexmark T640n
Lexmark T642
Lexmark T642n
Lexmark T644
Lexmark T644n
Off (all models) .05 W .05 W .05 W
Idle—average power
Power Saver on 20 W 20 W 20 W
Power Saver off 90 W 95 W 95 W
Continuous printing 675 W 830 W 830 W
Printing—maximum current
100 V 7.8 A 8.9 A 8.9 A
120 V 7.2 A 8.0 A 8.0 A
230 V 3.4 A 4.1 A 4.1 A
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