https://community.usa.canon.com/t5/Office-Printers/Vertical-streaking-in-Canon-ImageClass-MF743Cdw/m-p/362557#M15349 <P>Hello Mackmck,</P><P>It looks like you have already tried the recommended maintenance options for the issue. You can also try removing the toner and then shaking it gently to make sure the toner is evenly distributed. If that does not resolve the issue, it looks like there is something wrong with the hardware. You can use the link <A href="https://myprofile.americas.canon.com/us/signin" target="_self">HERE</A> to access you My Canon account to check your service options or you can contact support at 1-800-652-2666.</P> Wed, 09 Feb 2022 19:30:20 GMT Hector 2022-02-09T19:30:20Z https://community.usa.canon.com/t5/Office-Printers/Vertical-streaking-in-Canon-ImageClass-MF743Cdw/m-p/362158#M15319 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="07004847-83D4-4100-AD90-8CC920180C18.jpeg" style="width: 4032px;"><img src="https://community.usa.canon.com/t5/image/serverpage/image-id/32353iFEC61DA9F9393268/image-size/medium?v=v2&amp;px=400" role="button" title="07004847-83D4-4100-AD90-8CC920180C18.jpeg" alt="07004847-83D4-4100-AD90-8CC920180C18.jpeg" /></span></P><P> </P><P>I have tried:</P><UL><LI>Cleaning the fixing assembley</LI><LI>cleaning the ITB</LI><LI>adjust color gradation</LI><LI>adjust color mismatch</LI><LI>Freshly replaced Canon brand toner cartridges</LI><LI>recently adjusted to high humidity setting</LI></UL><P>nothing has helped. What can I do to fix this?</P><P> </P> Fri, 04 Feb 2022 19:57:34 GMT https://community.usa.canon.com/t5/Office-Printers/Vertical-streaking-in-Canon-ImageClass-MF743Cdw/m-p/362158#M15319 Mackmck 2022-02-04T19:57:34Z https://community.usa.canon.com/t5/Office-Printers/Vertical-streaking-in-Canon-ImageClass-MF743Cdw/m-p/362557#M15349 <P>Hello Mackmck,</P><P>It looks like you have already tried the recommended maintenance options for the issue. You can also try removing the toner and then shaking it gently to make sure the toner is evenly distributed. If that does not resolve the issue, it looks like there is something wrong with the hardware. You can use the link <A href="https://myprofile.americas.canon.com/us/signin" target="_self">HERE</A> to access you My Canon account to check your service options or you can contact support at 1-800-652-2666.</P> Wed, 09 Feb 2022 19:30:20 GMT https://community.usa.canon.com/t5/Office-Printers/Vertical-streaking-in-Canon-ImageClass-MF743Cdw/m-p/362557#M15349 Hector 2022-02-09T19:30:20Z