Just wanted to update, After cleaning the in header out with water and air drying ect. It printed fine until the next time i went to turn on. Got the B200 error again. I removed the ink header again washed with water and air dried and bingo working ...
I fixed my m560, none of the tricks worked. Simply remove ink and header and wash with water making sure not to get the pcb electrical connector wet. Let dry completley when done "I used a air gun to blow dry mine in 5 minutes" . Put everything back ...
Ok guys I tried all the little reset tricks , unplug hold power button, then maintenance menu ect. None worked- Solution~ Take the ink cartridges out -remove print head , comes right out clean with water until its clean making sure not to get water ...