https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Canon-MX340-getting-code5-145-55-message/m-p/169095#M42598 <P>Hello.</P><P>&nbsp;</P><P>If the printer is being used via USB, make sure that the USB cable is connected directly to your computer rather than through any USB hubs or extension devices.</P><P>&nbsp;</P><P>If used via Wi-Fi, make sure that the IJ Network Scan Utility is running.&nbsp; This can be found in the Canon Utilities listing of the Start Menu.</P><P>&nbsp;</P><P>If you continue to have difficulties, 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, 02 Apr 2016 12:59:42 GMT Michael 2016-04-02T12:59:42Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Canon-MX340-getting-code5-145-55-message/m-p/168796#M42597 <P>Scanner had been working fine but now getting this error message.&nbsp; Shelly</P> Wed, 30 Mar 2016 16:04:51 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Canon-MX340-getting-code5-145-55-message/m-p/168796#M42597 shellygoodwyn 2016-03-30T16:04:51Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Canon-MX340-getting-code5-145-55-message/m-p/169095#M42598 <P>Hello.</P><P>&nbsp;</P><P>If the printer is being used via USB, make sure that the USB cable is connected directly to your computer rather than through any USB hubs or extension devices.</P><P>&nbsp;</P><P>If used via Wi-Fi, make sure that the IJ Network Scan Utility is running.&nbsp; This can be found in the Canon Utilities listing of the Start Menu.</P><P>&nbsp;</P><P>If you continue to have difficulties, 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, 02 Apr 2016 12:59:42 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Canon-MX340-getting-code5-145-55-message/m-p/169095#M42598 Michael 2016-04-02T12:59:42Z