My MX870 gives msg: 6A80 and instructions to power down and power on and if msg persists, see manual. That error msg is not explained in the manual. I even unplugged the printer and left it off for several hours. I just plugged it in and turned i...
Since this printer can operate independently of the computer, I felt the OS was immaterial to the problem. I am using Windows 8.1.SOLUTION:Happily, I was able to solve the problem after combing the net for various suggestions. One told of a "switch"...