https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/About-Error-1/m-p/150867#M23507 <P>I doubt it is the contacts unless you did something to get them very dirty? &nbsp;Send it in for service.</P> Sun, 06 Sep 2015 20:12:40 GMT ebiggs1 2015-09-06T20:12:40Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/About-Error-1/m-p/150846#M23506 <P>Hi!</P><P>I am using Canon eos rebel T5i camera with 18-55mm &amp; EF 75-300mm lens.But when I use 300mm lens specially in manual mode &amp; AV mode the camera shows an error which is Error1: Communication between camera and lens.Clean the lens contact.Please help me to fix the problem.</P><P>&nbsp;</P><P>Masud Rana.</P><P>&nbsp;</P> Sun, 06 Sep 2015 06:44:32 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/About-Error-1/m-p/150846#M23506 rana1424 2015-09-06T06:44:32Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/About-Error-1/m-p/150867#M23507 <P>I doubt it is the contacts unless you did something to get them very dirty? &nbsp;Send it in for service.</P> Sun, 06 Sep 2015 20:12:40 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/About-Error-1/m-p/150867#M23507 ebiggs1 2015-09-06T20:12:40Z