Question about Lexmark T642 Laser Printer

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Lexmark T642 - print is very light

We have a Lexmark T642 printer and have replaced the cartridge because it was printing to light. After replacing the cartridge with a brand new one, it is still printing very light. What can we do?

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Take the cartridges out and clean the spot they go into then clean them off also

Posted on Jan 19, 2009

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Posted on Jan 02, 2017

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1 Answer

Lexmark T642 print gray though new cartridge


Hello,

The main cause of light print is a bad set of charge and transfer rollers. These rollers are used to put a charge on the paper and transfer the toner to the charged paper. When the rollers get worn out they can not put the proper electrical charge on the paper so the toner does not stick to it as it should. One roller sits under the toner cartridge and on is on top on the cartridge. If you pull out the toner and look inside the printer you will see the transfer roller and if you start to close the lid with the toner out you will see the charge roller come into view. Here are pictures of each one. Transfer roller first.

2_18_2013_9_41_31_pm.jpg

2_18_2013_9_41_48_pm.jpg

These rollers come in the preventative maintenance roller kit. This kit is available at the following link. The kit also comes with the pickup rollers.

http://www.ccl-la.com/catalog/product_info.php?products_id=301

Jan 25, 2013 | Lexmark T642 Laser Printer

1 Answer

My lexmark T642 printer is printer lines at the far end of my invoices. Is this just a simple cartridge replacement?


It can be the cartridge or the dual charge roller. This roller is located above the cartridge. Take out the cartridge and lower the front cover 1/2. then you can see the dual charge roller. Partnumber 40X0127

Dec 14, 2010 | Lexmark T642 Laser Printer

1 Answer

How to replace the ink cartridge


1. Look at the indicator light on your Lexmark printer. You'll need to replace ink cartridges when the light flashes or turns red instead of the standard green.


2. Purchase Lexmark ink cartridges. You can buy the brand name or purchase a generic version that is compatible with your printer. You can shop for low cost ink cartridges from ABC Ink.


3. Remove the old cartridges from your printer. Grip the sides of the Lexmark ink cartridges and pull it out. Dispose of the ink cartridges in a recycle program like the one at Staples or save the cartridges for refill.


4. Install the new ink cartridges after removing the protective tabs. Avoid touching the IC chip when installing the new Lexmark ink cartridges. Replace the cover of the printer.


5. Allow the Lexmark printer to run a nozzle test. Print several pages with the new ink cartridges to make sure you installed the ink cartridges correctly. The indicator light should return to a solid green color.


do rate the solution if it helps

Nov 26, 2010 | Lexmark X1240 All-In-One InkJet Printer

1 Answer

How do I clean the heads on a Lexmark T642 as it is starting to leave large ink drops on the paper


A T642 has no "heads"as in an inkjet. "Drops" on the paper are mostly caused by a leaking cartridge. So try replacing the cartridge.

Oct 06, 2010 | Lexmark T642 Laser Printer

1 Answer

T642 Laser Printer: How do I change toner to my Lexmark T642. I can't ...


Switch off the printer and let the printer cool down. Then on the front of the printer open the release latchand lower the multipurpose feeder then open the top cover by releasing the latch. You will be able then to pull out the print catridge. Hope this helps.

May 03, 2010 | Office Equipment & Supplies

1 Answer

Lost my manual, need to change the ink cartridge, help


  1. Look at the indicator light on your Lexmark printer. You'll need to replace ink cartridges when the light flashes or turns red instead of the standard green.

  2. Purchase Lexmark ink cartridges. You can buy the brand name or purchase a generic version that is compatible with your printer. You can shop for low cost ink cartridges from ABC Ink.
  3. Step 3 Remove the old cartridges from your printer. Grip the sides of the Lexmark ink cartridges and pull it out. Dispose of the ink cartridges in a recycle program like the one at Staples or save the cartridges for refill.
  4. Step 4 Install the new ink cartridges after removing the protective tabs. Avoid touching the IC chip when installing the new Lexmark ink cartridges. Replace the cover of the printer.
  5. Step 5 Allow the Lexmark printer to run a nozzle test. Print several pages with the new ink cartridges to make sure you installed the ink cartridges correctly. The indicator light should return to a solid green color.

Apr 24, 2010 | Lexmark C533DN InkJet Printer

1 Answer

Lexmark T642 Laser Printer error message922 02


Service fuser error requires a maintenance kit, this is approx $1000 + installed, if this is new, I would be taking it back because it shouldnt have this error. You possibly might be able tto fix it by replacing the fan in the back but thats only worked for me in approx 1 out of every 10 times.

Jan 13, 2009 | Lexmark T642 Laser Printer

2 Answers

Printing Issue - Lexmark T642


Chip on toner is bad, try puting in old one to reset and switch it with new one, sometimes turning off and on several times helps.

Mar 12, 2008 | Lexmark T642 Laser Printer

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