High yield toner cartridges available
Optional duplex printing (standard on T640dn & T640dtn)
With its sleek new design and very low acoustics, the T640 integrates seamlessly into your professional environment. And when you need big results, you can count on its outstanding print quality, powerful performance and lightning-fast time to first page of only 6 seconds!
Focus on your core business and leave the printing to Lexmark. Reliable and very robust, the T640 requires minimal intervention. Best of all, it comes with Lexmark's worry-free on site repair guarantee of one year.
Equipped with a USB direct interface, the T640’s userfriendly operating panel gives you PC-free printing of PDF, JPG, TIFF files and many other document types(1). Plus, its numeric pad with 4-line display coaches users through printing and maintenance functions with ease.
Selectable "print darkness" levels
Print and Hold (Verify Print)
Power saver mode
|Media sizes supported|
|Packaged size (HxWxD)|
|Time to first page|
|Media types supported|
|Number of paper inputs|
|Paper input capacity|
|Paper output capacity|
|Paper weight range supported|
|Recommended monthly page volume|
|Maximum monthly duty cycle|
|Fonts and symbol sets|
|Optional local ports|
|Optional network ports|
|Microsoft Windows operating systems supported|
|Apple Operating Systems Supported|
|Linux operating systems supported|
|Novell operating systems supported|
|UNIX operating systems supported|
|Other operating systems supported|
|Energy Star Typical Electricity Consumption|
|Noise level / Noise Level|
|Average power while printing|
|Average power in standby with power saver on / Average power in standby with power saver off|
|Specified operating environment|
|Country of origin|
1"Recommended Monthly Page Volume" is a range of pages that helps customers evaluate Lexmark’s product offerings based on the average number of pages customers plan to print on the device each month. Lexmark recommends that the number of pages per month be within the stated range for optimum device performance, based on factors including: supplies replacement intervals, paper loading intervals, speed, and typical customer usage.
2"Maximum Monthly Duty Cycle" is defined as the maximum number of pages a device could deliver in a month using a multishift operation. This metric provides a comparison of robustness in relation to other Lexmark printers and MFPs.
3Average standard page yield declared in accordance with ISO/IEC 19752