https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/mp640-error-u043/m-p/157863#M51081 <P>Hello.</P><P>&nbsp;</P><P>This may be related to an ink tank that is installed. &nbsp;Check to make sure that the correct, genuine Canon brand inks are being used in the printer. &nbsp;</P><P>&nbsp;</P><P>If the error persists, find more help at <A href="https://www.usa.canon.com/internet/portal/us/home/support/contact-support/" target="_blank">Contact Us</A>.</P><P>&nbsp;</P><P>&nbsp;</P> Sat, 05 Dec 2015 17:54:15 GMT Michael 2015-12-05T17:54:15Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/mp640-error-u043/m-p/157664#M51080 <P>I have a canon pixma MP640 AND ERROR MESSAGE COME ON U043 , I TRY TO RESET PRESSING STOP BOTTON AND NOTHING HAPPEND , CAN I DOING SOMETHING ?</P> Wed, 02 Dec 2015 21:49:40 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/mp640-error-u043/m-p/157664#M51080 2512149 2015-12-02T21:49:40Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/mp640-error-u043/m-p/157863#M51081 <P>Hello.</P><P>&nbsp;</P><P>This may be related to an ink tank that is installed. &nbsp;Check to make sure that the correct, genuine Canon brand inks are being used in the printer. &nbsp;</P><P>&nbsp;</P><P>If the error persists, find more help at <A href="https://www.usa.canon.com/internet/portal/us/home/support/contact-support/" target="_blank">Contact Us</A>.</P><P>&nbsp;</P><P>&nbsp;</P> Sat, 05 Dec 2015 17:54:15 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/mp640-error-u043/m-p/157863#M51081 Michael 2015-12-05T17:54:15Z