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Lexmark t640 noise

Lexmark T640 thumping noise in exit area when feeding envelopes or transparencies from manual feed, no problem with bond,or plain paper, no image problem on envelope when noise is made.

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  • Anonymous Mar 29, 2014

    The display is lit up, but no text

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Lexmark says that this is a feature called Envelope Enhance. Two rollers 'thump' to remove air pockets in the envelopes to prevent creasing and wrinkling. The "feature" can be turned off in the Paper Menu.

Posted on Jul 01, 2008

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Posted on Jan 02, 2017

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We have a fuser error on our lexmark t640 what do we need to do?


This error indicated that the fuser assembly in the printer has failed and will need to be replaced. The fuser is the part of the printer that heats up and bonds or "fuses" the toner to the paper. This part is user replaceable, requiring just a Phillips screwdriver to change out. The fuser is available from many places online such as www.amazon.com the part number you will need to order is :40X2592

I hope this helps, if so please rate my solution.

BuddyMc

May 06, 2011 | Lexmark T640 Laser Printer

1 Answer

How do we feed envelopes to print?


The Lexmark T640 and similar printers requires a separate part known as an Envelope Feeder. They can be purchased at your local office supplies store.
http://www.officedepot.com/a/products/430730/Lexmark-85-Envelope-Feeder-For-T640/

Feb 28, 2011 | Lexmark T640 Laser Printer

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How to replace the power supply unit on the Lexmark T640


hi. I wold like to know the output voltage from the several pins in the low voltage area (the blue wires connection) in the power supplier of a Lexmark T640.

Sep 20, 2010 | Lexmark T640 Laser Printer

1 Answer

It keeps wanting manual feed paper instead of


There is usually no reset from the machine it is in your printer properties. Open the properties and set it to the tray you want it to feed from and usually there is a apply button try that.
Cheers
Al

Sep 11, 2009 | Lexmark T640, T642, T644 500-Sheet Duplex...

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Can't figure out how to print on statement sized paper.


After I had been attempting to adjust the paper guides in the feeder tray to accommodate statement-size paper, I finally "discovered" the drop-down door to the manual feed tray.  Duh!  This is a networked printer that I've only ever used for printing letter and legal sized documents until now.

May 28, 2009 | Lexmark T640 Laser Printer

2 Answers

Paper is crumpled, toner is not adhering in certain areas


The fuser is shot....this is the unit that uses heat and pressure to fuse the toner to the page. It is primarily when the pressure roller wears that you get crinkling and bad fusing, but I'm sure the upper sleeve has seen better days as well.
These days it is (sadly) cheaper to replace this printer with a new little HP -only around $100 or so.


*please rate me :)

Mar 17, 2009 | HP LaserJet 1300 Printer

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Lexmark T640 won't print on label sheet a SECOND time...


try changing feed rollers. For a quick fix, remove the rubber rollers and flip them inside out. It should work

Jan 28, 2009 | Lexmark T640 Laser Printer

1 Answer

Print from both trays


Not sure with a that Model, but on HP lasers, you just tell the printer that the trays both have the same paper in - i.e. Plain Letter. When one runs out, the other takes over.
If the printer thinks one tray is Plain and one is i.e. Bond paper, it won't switch trays even if the same physical paper is in there.
Go through the control panel on the front of the printer, or if it doesn't have one, you'll need to use the web interface to set this up.

Jan 05, 2009 | Lexmark T640 Laser Printer

1 Answer

How do I set the top margin on a Lexmark T640?


Sorry for the delay, but I'm new to this site and still trying to figure out how this site works.

OK, are you printing this envelope field from an application such as Word or from an application that sends explicit cursor move commands?

Are you using the correct envelope definition?

Can you do a "Print To File" from the print page menu and then send the failing print job to me so I can look at the file in binary format and see what information is actually being sent to the printer.

My e-mail address is janddgasrepair@verizon.net.

Don

Jul 22, 2008 | Lexmark T640 Laser Printer

3 Answers

Looking for a Lexmark Optra T640 Service manual ??


Those links do not work. Stop trying to make money off of material that doesn't belong to you.

Please someone post a link to a FREE download.

Jan 28, 2008 | Office Equipment & Supplies

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