When I go to the properties port tab the enable bidirectional communication block is gray and I can't check it. I have a Lexmark x5250 and Windows Vista. I can get it to scan and save to my computer, make copies, everything put print from my computer. I've tried deleting and adding the printer but alas the "enable bidirectional communication" just sits there all gray taunting me.......
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I have a Dell Photo 966 all-in-one printer, and an hp laptop running on Windows 7. I installed the new printer drivers from the website, but when I try to print, it says cannot communicate with printer, enable bidirectional communication. I've gone to the ports tab over and over but it never saves the change. I've tried disabling my Firewall but still no cigar. HELP PLEASE.
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