https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/PIXMA-MX700-Shows-Error-UO51/m-p/388212#M59168 <P>My printer shows an error UO51 Printhead is not installed.</P><P>I have cleaned and re-installed the printhead but is still shows this error.</P><P>Can you please advice.</P><P>Thanks</P> Sat, 01 Oct 2022 13:09:31 GMT SanMIchele 2022-10-01T13:09:31Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/PIXMA-MX700-Shows-Error-UO51/m-p/388212#M59168 <P>My printer shows an error UO51 Printhead is not installed.</P><P>I have cleaned and re-installed the printhead but is still shows this error.</P><P>Can you please advice.</P><P>Thanks</P> Sat, 01 Oct 2022 13:09:31 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/PIXMA-MX700-Shows-Error-UO51/m-p/388212#M59168 SanMIchele 2022-10-01T13:09:31Z