I am using a macbook pro running os x 10.6.6. which I recently up-graded. After the up-grade my printer a Lexmark x6570 and Lexmark x4800 stopped working. I have tried all updates available both from mac and Lexmark and the problem has still not been solved. Can anyone help me please. Delroy.

Check online for your Lexmark printer to see if there are any new drivers that you can update with.

sometimes old model printer not compatible to W8 OS.. do some re-search might need to update the Lexmark software to work on W8 os

http://www1.lexmark.com/products/view/All-in-Ones/Lexmark-X6570/catId=cat10004-category&prodId=4165-product;jsessionid=36351499255753845B8F3686DDD5E41C.node3


try re-installing the drivers from scratch.

I had this problem as well... If this is a 2011 macbook pro you have os 10.6.7 which is not supported by avid at this time. We actually need to down grade to 10.6.6. You installation cd with your macbook pro is 10.6.6, so you'll need to install that, then go to the avid website and download pro tool le 8.0.5. Everything should work fine just don't upgrade to 10.6.7 until it has been approved by avid. If you need detailed steps look at the avid forum for pro tools. Step to uninstalling and installing the os can be found on youtube.com... Do not have your mbox plugged in when you install pro tools. I hope this helps!!!

Please install again the software and get it here : www.nodevice.com/driver/company/Lexmark/Printer.html
www.lexmark.com/
www.driverslab.com/drivers/Printer/Lexmark/9/63.html

regards

If you have Mac OS 10.6 (Snow Leopard) and are using the installation CD to install your printer, that is most likely the reason for your problem. Uninstall all Lexmark software and  download new 10.6 drivers from lexmark.com . If you get an error saying ' Color Table Missing ', you should contact Lexmark Technical Support and have them walk you trough a more thorough cleanup process. 

You can download the software from Lexmark's website. The direct link to the driver you need is: http://support.lexmark.com/index?page=content&productCode=LEXMARK_X6570&actp=PRODUCT&id=DR1161&segment=DOWNLOAD&userlocale=EN_US&locale=en

The real issue seems to be that the system firmware designers haveoptimized for a quiet machine at the expense of the temperature. Theeasiest way to fix this? A firmware update,perhaps not unlike the one released recently with almost no details.Several reports from users indicated this update increased the use oftheir fans and fixed their heat issues. Isn't that an astonishingcoincedence?

Although Apple said that the update was to "System Management Control(SMC)" firmware, it was up to MacBook Pro (MBP) users to figure outthat SMC is the specialized controller that manages thermal and power conditions, and is in charge of running the portable's fans.
Within hours of the update, users began reporting that the updateseemed to increase the MacBook Pro's use of its fans, and usingdiagnostic tools, claimed that their machines were running up to eightdegrees cooler.

Click on blue link to update and fix fan issue.

Same here...cannot use Lexmark X4270 on my MacBook Pro

Have you had a recent paper jam or other issue?