https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/problem-with-the-print-head/m-p/75280#M8493 <P>I have a cannon pixma 4500 and I get the familiar message the the print head is not installed.</P><P>&nbsp;</P><P>I have repedeadly clean the head but this has not fixed the problem.</P><P>&nbsp;</P><P>What can be wrong?</P><P>&nbsp;</P><P>If the head is useless and I can do nothing to fix it but to replace it &nbsp;is there a way I can verify that?</P> Sun, 16 Mar 2014 19:48:41 GMT canburn45 2014-03-16T19:48:41Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/problem-with-the-print-head/m-p/75280#M8493 <P>I have a cannon pixma 4500 and I get the familiar message the the print head is not installed.</P><P>&nbsp;</P><P>I have repedeadly clean the head but this has not fixed the problem.</P><P>&nbsp;</P><P>What can be wrong?</P><P>&nbsp;</P><P>If the head is useless and I can do nothing to fix it but to replace it &nbsp;is there a way I can verify that?</P> Sun, 16 Mar 2014 19:48:41 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/problem-with-the-print-head/m-p/75280#M8493 canburn45 2014-03-16T19:48:41Z