https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Print-head-error-message-of-U051/m-p/62177#M9641 <P>Hi bsmith629,</P><P>&nbsp;</P><P>To try and resolve the U051 error, we can remove and reseat the ink tanks and print head in the printer.&nbsp; To do this, please follow the steps displayed in the link below:</P><P>&nbsp;</P><P><A href="http://kbsupport.cusa.canon.com/system/selfservice.controller?CONFIGURATION=1011&amp;PARTITION_ID=1&amp;secureFlag=false&amp;TIMEZONE_OFFSET=&amp;CMD=VIEW_ARTICLE&amp;ARTICLE_ID=19238" target="_self">PIXMA MP520 Remove and Reseat Ink Tanks and Print Head</A></P><P>&nbsp;</P><P>Next, please turn off the printer, unplug the power cord from the back and leave it out for at least 10 minutes, then plug it back in and turn it back on.&nbsp; If you still receive the same error, the printer will require servicing.&nbsp; Please <A href="http://www.usa.canon.com/cusa/consumer/standard_display/contact_us_consumer" target="_blank">Contact Us</A> to obtain your servicing options.</P> Thu, 16 Jan 2014 22:05:00 GMT Ramona 2014-01-16T22:05:00Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Print-head-error-message-of-U051/m-p/59669#M9640 <P>I am receiving an error message of "printer head not installed, Install printer head" on my MP520 . &nbsp;How is this handled?</P> Mon, 06 Jan 2014 21:51:39 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Print-head-error-message-of-U051/m-p/59669#M9640 bsmith629 2014-01-06T21:51:39Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Print-head-error-message-of-U051/m-p/62177#M9641 <P>Hi bsmith629,</P><P>&nbsp;</P><P>To try and resolve the U051 error, we can remove and reseat the ink tanks and print head in the printer.&nbsp; To do this, please follow the steps displayed in the link below:</P><P>&nbsp;</P><P><A href="http://kbsupport.cusa.canon.com/system/selfservice.controller?CONFIGURATION=1011&amp;PARTITION_ID=1&amp;secureFlag=false&amp;TIMEZONE_OFFSET=&amp;CMD=VIEW_ARTICLE&amp;ARTICLE_ID=19238" target="_self">PIXMA MP520 Remove and Reseat Ink Tanks and Print Head</A></P><P>&nbsp;</P><P>Next, please turn off the printer, unplug the power cord from the back and leave it out for at least 10 minutes, then plug it back in and turn it back on.&nbsp; If you still receive the same error, the printer will require servicing.&nbsp; Please <A href="http://www.usa.canon.com/cusa/consumer/standard_display/contact_us_consumer" target="_blank">Contact Us</A> to obtain your servicing options.</P> Thu, 16 Jan 2014 22:05:00 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Print-head-error-message-of-U051/m-p/62177#M9641 Ramona 2014-01-16T22:05:00Z