https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Re-I-can-t-scan-says-in-use-with-application-or-user-and-its-not/m-p/141333#M37678 <P>I'm having the same issue. Canon MX420, Mac OS X Yosemite. I've been using the printer/scanner for 5 months and all of a sudden it stopped working and I'm getting the same error message (code 2.249.0).</P><P>I have tried the following:</P><UL><LI>turned printer on/off</LI><LI>un/plugged printer from power source</LI><LI>un/plugged&nbsp;USB connection from laptop</LI><LI>deleted and reinstalled printer/scanner from system preferences&gt;Printers &amp; Scanners</LI></UL><P>None of these has worked. I managed to make it work via WiFi&nbsp;but I'm not always connected to it so this is not a long-term solution.&nbsp;</P><P>Thanks for the input!</P> Wed, 20 May 2015 18:03:16 GMT thrax50 2015-05-20T18:03:16Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Re-I-can-t-scan-says-in-use-with-application-or-user-and-its-not/m-p/141333#M37678 <P>I'm having the same issue. Canon MX420, Mac OS X Yosemite. I've been using the printer/scanner for 5 months and all of a sudden it stopped working and I'm getting the same error message (code 2.249.0).</P><P>I have tried the following:</P><UL><LI>turned printer on/off</LI><LI>un/plugged printer from power source</LI><LI>un/plugged&nbsp;USB connection from laptop</LI><LI>deleted and reinstalled printer/scanner from system preferences&gt;Printers &amp; Scanners</LI></UL><P>None of these has worked. I managed to make it work via WiFi&nbsp;but I'm not always connected to it so this is not a long-term solution.&nbsp;</P><P>Thanks for the input!</P> Wed, 20 May 2015 18:03:16 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Re-I-can-t-scan-says-in-use-with-application-or-user-and-its-not/m-p/141333#M37678 thrax50 2015-05-20T18:03:16Z