PS, Hans1955 you may have to check the archives for an article about cleaning the "timing strip". I wish you well in applying the solution, it work for me.
type { clean the timing ( encoder ) strip in the "blank" suggestion box next to the category box with the "Board" option checked. I followed the instructions for the MX922 and the printing issues that I had with my PIXMA MG3620, i.e., missing charac...