Question about Lexmark T640 Laser Printer

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Lexmark T640 -- Networking

When this printer is setup by students in my computer class, some get error messages that they don't have access to this function (yet some do and have the same account permissions.) Some get error messages that they are not able to print due to printer setup. Some are not able to install the printer at all! This is a "computer teacher's nightmare!" I tried logging on as the administrator and installing, then having the student try to logon as himself and still he couldn't do it! Help!

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Re: Lexmark T640 -- Networking

Printer set up is most likely because they have the wrong driver

the ones that can not install at all, probably have to have the permission to install as an administrator.

 so there are two issues.

Posted on Oct 18, 2007

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Lexmark T640 printer will not print- get message- media tray empty

Check if the paper tray has enough amount of paper in it. If it has, check if the paper guides are correctly placed and is set to the correct media size.

Aug 02, 2012 | Lexmark T640 Laser Printer

1 Answer

What is a "Region Mismatch"

This error message is caused by installing a cartridge toner from a different region (e.g Canada toner installed on US printer). You can check the region for your printer at the side of the serial number.
If you need further assistance you may contact Lexmark Technical Support Center.

Aug 12, 2011 | Lexmark T640 Laser Printer

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Can I make a "non-network"

With a USB print server like this one, you can hook your printer to one of the wired ports on your router and it can be accessed by any connected computer. (There are other sources and adapter styles; I just picked this one as a sample. I've installed several of these and it works well.)

You can also share a printer on the network by installing it on a computer as a network printer and enabling printer sharing on that computer. But then that computer will need to be left on all the time for others to access the printer, and if people frequently use the printer it will slow down the computer for whoever is using it.

Jan 30, 2011 | Lexmark T640 Laser Printer

1 Answer



This link explains error 900 on a Lexmark printer. It includes troubleshooting steps in trying to resolve the issue.

If problem persists, contact the manufacturer.

I hope this works for you!


"Understanding explains better..."

Jan 21, 2011 | Lexmark T640, T642, T644 250-Sheet Duplex...

1 Answer

I received an message 917.00 service transfer roll. How do I fix this ?

Here's an article on A 917 or 917.00 Service Error Is Appearing on a Lexmark T640, T642, T644, or an X64xe Series Printer. Just click on this link: Follow the recommended actions. If error won't clear, printer may require service. Don't hesitate to contact Lexmark technical support for assistance. Thanks.

Aug 06, 2010 | Lexmark T640 Laser Printer

1 Answer

Error message 241.10 but there is no paper jam. Is there a way to override or fix this error message?

This is what I think is the solution. Uninstall your printer driver and then restart your computer. Then install it again.

Apr 03, 2010 | Lexmark T640 Laser Printer

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Lexmark T640, 242.10 jam error

Please go >>Technical Support.

Place the T640 model number into the first search box. When the T640 block opens up do a search for "ENUS23982."


Jun 10, 2009 | Lexmark T640 Laser Printer

1 Answer

Lexmark t640 error message

"Remanufactured cartridges" How do you define that?

Given that Lexmark does not support or condone the use of third party products in their printers.

When a cartridge is new from the factory, all of the components inside the cartridge are new.

When Lexmark sell a recycled cartridge, all of the components within the cartridge are ETN components (Equivalent to new).

That means all of the rollers have been change and the PC is new.

It seems you purchased a cartridge which has a defect.

Return it to your point of sale and see what happens with the next one.


May 29, 2009 | Lexmark T640 Laser Printer

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Lexmark t640 error message

Lexmark does not now nor have they ever endorsed or supported the use of OEM toner or cartridges.

In fact, use of such products voids the printer warranty.


Apr 06, 2009 | Lexmark T640 Laser Printer

1 Answer

Network connections to Lexmark T640 Laser Printer

Might try going into the printer setup on each computer and set it to print after the current job is finished. Let me know :-)

Sep 14, 2007 | Lexmark T640 Laser Printer

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