topic Canon Pixma MX722 is not printing vertical lines. in Desktop Inkjet Printers https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Canon-Pixma-MX722-is-not-printing-vertical-lines/m-p/190989#M45047 <P>I have changed to new ink and cleaned the print heads multiple times. Any ideas on what to do? The printer is not that old</P> Fri, 04 Nov 2016 14:52:29 GMT billlisar 2016-11-04T14:52:29Z Canon Pixma MX722 is not printing vertical lines. https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Canon-Pixma-MX722-is-not-printing-vertical-lines/m-p/190989#M45047 <P>I have changed to new ink and cleaned the print heads multiple times. Any ideas on what to do? The printer is not that old</P> Fri, 04 Nov 2016 14:52:29 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Canon-Pixma-MX722-is-not-printing-vertical-lines/m-p/190989#M45047 billlisar 2016-11-04T14:52:29Z