https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/PIXMA-MG7550-Broken-offset-vertical-lines-only-on-black-ink/m-p/413990#M63316 <P>On my MG7550 printer all black vertical lines (e.g. when I try to print barcodes) appear as slightly offset lines, not continuous. Every 5mm or so the line is offset about 1mm to the left and then to the right. It only happens with black. Other colors are perfect. I have tried auto-align, deep clean without success. Any ideas out there? Many thanks.</P><P>Tom4103</P> Tue, 11 Apr 2023 17:47:43 GMT Tom4103 2023-04-11T17:47:43Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/PIXMA-MG7550-Broken-offset-vertical-lines-only-on-black-ink/m-p/413990#M63316 <P>On my MG7550 printer all black vertical lines (e.g. when I try to print barcodes) appear as slightly offset lines, not continuous. Every 5mm or so the line is offset about 1mm to the left and then to the right. It only happens with black. Other colors are perfect. I have tried auto-align, deep clean without success. Any ideas out there? Many thanks.</P><P>Tom4103</P> Tue, 11 Apr 2023 17:47:43 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/PIXMA-MG7550-Broken-offset-vertical-lines-only-on-black-ink/m-p/413990#M63316 Tom4103 2023-04-11T17:47:43Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/PIXMA-MG7550-Broken-offset-vertical-lines-only-on-black-ink/m-p/414195#M63343 <P>Also, I just noticed, when printing barcodes, they are not evenly black, smeared and alternately really black and lighter.</P> Thu, 13 Apr 2023 12:55:25 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/PIXMA-MG7550-Broken-offset-vertical-lines-only-on-black-ink/m-p/414195#M63343 Tom4103 2023-04-13T12:55:25Z