https://community.usa.canon.com/t5/Professional-Photo-Printers/Question-regarding-Pro-10-Test-Print/m-p/256354#M6231 <P>Hello,</P><P>&nbsp;</P><P>I just replaced the CO ink cartridge on my Pro 10 and ran a print test. On the two prints made I've noticed patching on the CO sample. Can someone suggest what might be causing this and how to resolve it? I am using Canon Ink.</P><P>&nbsp;</P><P>I have attached a photo of the print test. I have increased the exposure and contrast so that it is more obvious. Ignore the shadowed area in the lower left. It is the CO sample I am asking about.</P><P>&nbsp;</P><P>Thanks.</P><P>&nbsp;</P><P><IMG src="https://community.usa.canon.com/t5/image/serverpage/image-id/17395i8E0A4CC8B11F06D2/image-size/original?v=1.0&amp;px=-1" border="0" alt="IMG_0119.jpeg" title="IMG_0119.jpeg" /></P> Fri, 05 Oct 2018 16:35:46 GMT nvw 2018-10-05T16:35:46Z https://community.usa.canon.com/t5/Professional-Photo-Printers/Question-regarding-Pro-10-Test-Print/m-p/256354#M6231 <P>Hello,</P><P>&nbsp;</P><P>I just replaced the CO ink cartridge on my Pro 10 and ran a print test. On the two prints made I've noticed patching on the CO sample. Can someone suggest what might be causing this and how to resolve it? I am using Canon Ink.</P><P>&nbsp;</P><P>I have attached a photo of the print test. I have increased the exposure and contrast so that it is more obvious. Ignore the shadowed area in the lower left. It is the CO sample I am asking about.</P><P>&nbsp;</P><P>Thanks.</P><P>&nbsp;</P><P><IMG src="https://community.usa.canon.com/t5/image/serverpage/image-id/17395i8E0A4CC8B11F06D2/image-size/original?v=1.0&amp;px=-1" border="0" alt="IMG_0119.jpeg" title="IMG_0119.jpeg" /></P> Fri, 05 Oct 2018 16:35:46 GMT https://community.usa.canon.com/t5/Professional-Photo-Printers/Question-regarding-Pro-10-Test-Print/m-p/256354#M6231 nvw 2018-10-05T16:35:46Z