https://community.usa.canon.com/t5/Office-Printers/Canon-MX712/m-p/158027#M2926 <P>Error message UO52 The type of print head is incorrect.&nbsp; Install the correct print head.&nbsp; How to fix this? CP</P> Tue, 08 Dec 2015 03:15:35 GMT yonka 2015-12-08T03:15:35Z https://community.usa.canon.com/t5/Office-Printers/Canon-MX712/m-p/158027#M2926 <P>Error message UO52 The type of print head is incorrect.&nbsp; Install the correct print head.&nbsp; How to fix this? CP</P> Tue, 08 Dec 2015 03:15:35 GMT https://community.usa.canon.com/t5/Office-Printers/Canon-MX712/m-p/158027#M2926 yonka 2015-12-08T03:15:35Z https://community.usa.canon.com/t5/Office-Printers/Canon-MX712/m-p/158188#M2956 <P>Hello.</P><P>&nbsp;</P><P>Troubleshooting with our support group will be needed to narrow down the cause of your issue. Please contact our support group using the "Contact Us" link below for additional assistance.<BR /><BR /></P><P>This didn't answer your question or issue? Find more help at <A href="https://www.usa.canon.com/internet/portal/us/home/support/contact-support/" target="_blank">Contact Us</A>.</P> Wed, 09 Dec 2015 15:57:54 GMT https://community.usa.canon.com/t5/Office-Printers/Canon-MX712/m-p/158188#M2956 Michael 2015-12-09T15:57:54Z