Question about Lexmark T642 Laser Printer

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Duplex printing how do you set it up on lexmark t640

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You need to add a duplex option the printer. 'N' or non-N in the previous answer has nothing to do with the duplex feature. The duplex unit sits just below the pinter and is easily installed. Once installed you will need to go into the printer driver and add the duplex option to the printer's configuration. This is typically found in the "Device" tab in the windows driver. You an purchase a new or refurbished duplex option here:
http://www.fastprinters.com/ProductDetails.asp?product_id=LEX-20G0887


Posted on Jul 15, 2009

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Hi:

Only if the printer has the designation n as in T642n does it have the duplex option available.

Posted on Jun 28, 2009

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1 Answer

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Hi,

This link explains error 900 on a Lexmark printer. It includes troubleshooting steps in trying to resolve the issue.
http://www.marketpoint.com/article.cfm?id=100

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1 Answer

How do i remove the duplex?


Here's an article on How to Install a Duplex Option on a Lexmark T64x Series Printer. Just click on this link: http://bit.ly/94TYQc. This is just to give you an idea on how the duplex option is installed. The duplex unit attaches under the printer, below the standard tray (tray 1) and above any option drawers (trays 2, 3, etc). Removing it is just a matter of lifting up the printer from the duplex option and then lifting up duplex unit removing it from the option drawers, if you have any.
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1 Answer

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Download the device-driver software from:

http://support.lexmark.com

Enter 'T640' and do a search.
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Network connections to Lexmark T640 Laser Printer


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