https://community.usa.canon.com/t5/Office-Printers/vertical-line-on-MF644CDW/m-p/301990#M10883 <P>Hi bmyers.</P><P>&nbsp;</P><P>Check the scanning area underneath where the paper is pulled in.&nbsp; Wipe it down with a clean, dry cloth to remove dust or anything that might have rubbed off on the glass.</P><P>&nbsp;</P><P>If the glass is scratched, then the printer will require service.</P><P>&nbsp;</P><P>If you need to arrange service and you're located in the U.S., our support is available at 1-800-OK-CANON (1-800-652-2666) Monday-Friday from 10:00 am to 6:30 pm ET, excluding holidays.&nbsp;</P><P>&nbsp;</P><P>If you're located outside of the U.S.,&nbsp;you may find your regional branch of Canon using the map on the Canon Global website: <FONT color="#0000FF"><U><SPAN><A href="http://global.canon/en/support/" target="_blank" rel="noopener">http://global.canon/en/support/</A></SPAN></U></FONT></P><P>&nbsp;</P><P>Did this answer your question? Please click the <STRONG>Accept as Solution</STRONG> button so that others may find the answer as well.</P> Fri, 10 Apr 2020 17:24:56 GMT Darius 2020-04-10T17:24:56Z https://community.usa.canon.com/t5/Office-Printers/vertical-line-on-MF644CDW/m-p/301857#M10875 <P>I have only used my printer a few times. It just started putting a vertical line on the right side when I make a copy using the feeder.</P> Thu, 09 Apr 2020 13:56:08 GMT https://community.usa.canon.com/t5/Office-Printers/vertical-line-on-MF644CDW/m-p/301857#M10875 bmyers 2020-04-09T13:56:08Z https://community.usa.canon.com/t5/Office-Printers/vertical-line-on-MF644CDW/m-p/301990#M10883 <P>Hi bmyers.</P><P>&nbsp;</P><P>Check the scanning area underneath where the paper is pulled in.&nbsp; Wipe it down with a clean, dry cloth to remove dust or anything that might have rubbed off on the glass.</P><P>&nbsp;</P><P>If the glass is scratched, then the printer will require service.</P><P>&nbsp;</P><P>If you need to arrange service and you're located in the U.S., our support is available at 1-800-OK-CANON (1-800-652-2666) Monday-Friday from 10:00 am to 6:30 pm ET, excluding holidays.&nbsp;</P><P>&nbsp;</P><P>If you're located outside of the U.S.,&nbsp;you may find your regional branch of Canon using the map on the Canon Global website: <FONT color="#0000FF"><U><SPAN><A href="http://global.canon/en/support/" target="_blank" rel="noopener">http://global.canon/en/support/</A></SPAN></U></FONT></P><P>&nbsp;</P><P>Did this answer your question? Please click the <STRONG>Accept as Solution</STRONG> button so that others may find the answer as well.</P> Fri, 10 Apr 2020 17:24:56 GMT https://community.usa.canon.com/t5/Office-Printers/vertical-line-on-MF644CDW/m-p/301990#M10883 Darius 2020-04-10T17:24:56Z