https://community.usa.canon.com/t5/Office-Printers/MF644C-displaying-colored-vertical-lines-on-back-side-of-page/m-p/406158#M18433 <P>Hello Greenecr17,</P> <P>The issue looks like a loose connection to the scanner element or the scanner bar is damaged. In a situation like this the scanner needs service. You can check your service options by contacting support over the phone at 1-800-652-2666 or logging into your<A href="https://myprofile.americas.canon.com/us/signin/" target="_self"> MyCanon</A> account.</P> Wed, 15 Feb 2023 19:47:41 GMT Hector 2023-02-15T19:47:41Z https://community.usa.canon.com/t5/Office-Printers/MF644C-displaying-colored-vertical-lines-on-back-side-of-page/m-p/402572#M18133 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="scan.jpg" style="width: 772px;"><img src="https://community.usa.canon.com/t5/image/serverpage/image-id/38897iC0244E3A5A6E0C2F/image-size/large?v=v2&amp;px=999" role="button" title="scan.jpg" alt="scan.jpg" /></span></P><P>Every time a document is scanned the back side shows these colored lines.</P> Thu, 19 Jan 2023 18:50:05 GMT https://community.usa.canon.com/t5/Office-Printers/MF644C-displaying-colored-vertical-lines-on-back-side-of-page/m-p/402572#M18133 greenecr17 2023-01-19T18:50:05Z https://community.usa.canon.com/t5/Office-Printers/MF644C-displaying-colored-vertical-lines-on-back-side-of-page/m-p/406158#M18433 <P>Hello Greenecr17,</P> <P>The issue looks like a loose connection to the scanner element or the scanner bar is damaged. In a situation like this the scanner needs service. You can check your service options by contacting support over the phone at 1-800-652-2666 or logging into your<A href="https://myprofile.americas.canon.com/us/signin/" target="_self"> MyCanon</A> account.</P> Wed, 15 Feb 2023 19:47:41 GMT https://community.usa.canon.com/t5/Office-Printers/MF644C-displaying-colored-vertical-lines-on-back-side-of-page/m-p/406158#M18433 Hector 2023-02-15T19:47:41Z