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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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

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 | Printers & Copiers

1 Answer

Lexmark T642 When printing, LCD displays


this error is a scanner lost lock error and can be caused by the scanner or the logic board. if this error comes up immediately on power up the scanner motor is not initializing by percentages of failure the scanner is approximately 85% the logic board 15% i would change the scanner

Nov 23, 2009 | Lexmark T642 Laser Printer

1 Answer

Realign the print on my Lexmark T642 printer


You can adjust the print registration settings in the Config Mode of the printer. I believe you hold down both the down arrorw and right arrow button when you power on the printer

Jan 12, 2009 | Lexmark T642 Laser Printer

1 Answer

Lexmark T642: Will not print text files in Linux


Sounds like there is something corrupt with the driver or the wrong driver is associated with the printer. Delete the printer from the computer, but leave attached. Download the newest driver directly from Lexmark and execute the download. The computer should then automatically re-install the printer.

please visit the link below to download the correct driver for your printer directly from Lexmark.

http://support.lexmark.com/perl/support/support.cgi?ccs=229:1:0:0:0:0

use the product selector to enter your model number and operating system.

Sep 03, 2008 | Lexmark T642 Laser Printer

1 Answer

T630 cannot print color


just a wild guess. it may not be capable of printing in color.
check if you indeed have color cartridges installed.

it says B/W - Black and White.
http://www.dooyoo.co.uk/laser-printer/lexmark-t630/
escription: Model ID 0010G0110 / Lexmark T630 - Printer - B/W - laser - Legal, A4, A4 Long - 1200 dpi x 1200 dpi - up to 35.1 ppm - capacity: 350 sheets - parallel, USB

Apr 28, 2008 | 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

2 Answers

Lexmark T642: Will not print text files in Linux


You need to download the Postscript drivers from Lexmark site.

Oct 28, 2007 | Lexmark T642 Laser Printer

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