https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/My-canon-MP600-will-not-print-due-to-error-message-U052/m-p/57843#M30145 Error message - The type of print head is incorrect - install the correct print head. I have not changed the print head - all lights are solid red with the exception of M and C. When you remove them and reinstall the lights are solid red. I have removed the print head and cleaned it - still no joy. Assistance please - why has this just stopped working. Tue, 31 Dec 2013 02:17:41 GMT Shelby27 2013-12-31T02:17:41Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/My-canon-MP600-will-not-print-due-to-error-message-U052/m-p/57843#M30145 Error message - The type of print head is incorrect - install the correct print head. I have not changed the print head - all lights are solid red with the exception of M and C. When you remove them and reinstall the lights are solid red. I have removed the print head and cleaned it - still no joy. Assistance please - why has this just stopped working. Tue, 31 Dec 2013 02:17:41 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/My-canon-MP600-will-not-print-due-to-error-message-U052/m-p/57843#M30145 Shelby27 2013-12-31T02:17:41Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/My-canon-MP600-will-not-print-due-to-error-message-U052/m-p/90200#M30147 <P>i have this same problem, have you found a solution????</P> Wed, 30 Apr 2014 21:27:34 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/My-canon-MP600-will-not-print-due-to-error-message-U052/m-p/90200#M30147 maryo 2014-04-30T21:27:34Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/My-canon-MP600-will-not-print-due-to-error-message-U052/m-p/365926#M53870 <P>My Canon print head work properly, still showing the same issue&nbsp;</P> Thu, 17 Mar 2022 19:36:33 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/My-canon-MP600-will-not-print-due-to-error-message-U052/m-p/365926#M53870 Macauley 2022-03-17T19:36:33Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/My-canon-MP600-will-not-print-due-to-error-message-U052/m-p/365927#M53871 <P>My Canon print head can't work properly, still showing the same issue&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Thu, 17 Mar 2022 19:38:42 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/My-canon-MP600-will-not-print-due-to-error-message-U052/m-p/365927#M53871 Macauley 2022-03-17T19:38:42Z