https://community.usa.canon.com/t5/Office-Printers/black-lines-on-copies/m-p/139503#M1770 I get the same thing, but ONLY when using the document feeder. I get no line when placing the document on the glass. Mon, 27 Apr 2015 15:04:22 GMT plip 2015-04-27T15:04:22Z https://community.usa.canon.com/t5/Office-Printers/black-lines-on-copies/m-p/9815#M75 <P>I have a imageCLASS d550 and when making copies a black line prints on all copies even when i change toner</P> Thu, 03 Jan 2013 03:01:35 GMT https://community.usa.canon.com/t5/Office-Printers/black-lines-on-copies/m-p/9815#M75 mchadcarter 2013-01-03T03:01:35Z https://community.usa.canon.com/t5/Office-Printers/black-lines-on-copies/m-p/139503#M1770 I get the same thing, but ONLY when using the document feeder. I get no line when placing the document on the glass. Mon, 27 Apr 2015 15:04:22 GMT https://community.usa.canon.com/t5/Office-Printers/black-lines-on-copies/m-p/139503#M1770 plip 2015-04-27T15:04:22Z https://community.usa.canon.com/t5/Office-Printers/black-lines-on-copies/m-p/148765#M2094 <P>We are having the same problem when using the document feeder - getting a thin black line on every copy. What can we do to fix this?</P> Thu, 13 Aug 2015 15:42:40 GMT https://community.usa.canon.com/t5/Office-Printers/black-lines-on-copies/m-p/148765#M2094 awade 2015-08-13T15:42:40Z