1) Disable both firewalls and see if it prints.
2) If it prints, then it's a firewall roblem. Enable your Windows firewall first. If your printer works just leave the McAfee firewall disabled. You don't need both anyway but leave the ant-virus enabled.
3) If it doesn't print with your Windows firewall enabled, try it the other way. Windows firewall disabled, McAfee enabled.
4) If it doesn't print in any of these cases try re-installing the software for your printer.You will want to make sure that McAfee is totally disabled (anti-virus and firewall) and turn off off your Windows firewall. Here are the steps for re-installing software. If you don't have the cd let me know and I'll provide you with a link for it.
Removing and reinstalling the software
If the printer is not functioning properly, or if a communications error message appears when you try to use the
printer, you may need to remove and reinstall the printer software.
1 Click Start �� Programs or All Programs �� Lexmark 3500-4500 Series.
2 Select Uninstall.
3 Follow the instructions on the computer screen to remove the printer software.
4 Restart the computer before reinstalling the printer software.
5 Click Cancel on all New Hardware Found screens.
6 Insert the CD, and then follow the instructions on the computer screen to reinstall the software.
Note: If the install screen does not appear automatically after you restart your computer, click Start �� Run, and
then type D:\setup, where D is the letter of your CD-ROM drive.
If this fixes your problem please rate this as fixed. If it doesn't and you need more help just add a comment and I'll be glad to help you out' I'll be waiting to see how it turns out. Thanks.
A quick fix for most communication errors can be achieved by
resetting the printer and/or rebooting the PC. Simply disconnect the printer
from your computer (if USB connected)> reboot your pc > unplug and
re-plug the printer into the power source to reset it. When the printer turns
on, reconnect it to your computer (if USB connected). Then try to print again
once the computer fully recognizes the USB connection or when the WiFi light on
the printer turns solid green (if WiFi connected.).
If that doesn't help, try the steps below:
A quick fix for most communication errors can be
achieved by resetting the printer and/or rebooting the PC. Simply disconnect
the printer from your computer (if connected via the USB). If printer is wireless, simply power cycle the printer. Reboot your pc. Unplug and re-plug the printer
into the power source to reset it. When the printer turns on, reconnect it to
your computer. Then try to print again once the computer fully recognizes the
USB connection.
Let me know if this helps.
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