https://community.usa.canon.com/t5/Professional-Photo-Printers/PIXMA-PRO-100-smudges/m-p/317909#M10101 <P>My PIXMA PRO-100 is still under warranty, but I cannot reach any live person at Canon, so I will try my question here.</P><P>In spite of repeated "bottom plate cleaning", smudges (both on test paper and on photos) remain. The nozzle test pattern is OK. What should I do? Replace all ink cartridges?</P><P>&nbsp;</P> Mon, 31 Aug 2020 14:49:35 GMT entropy71 2020-08-31T14:49:35Z https://community.usa.canon.com/t5/Professional-Photo-Printers/PIXMA-PRO-100-smudges/m-p/317909#M10101 <P>My PIXMA PRO-100 is still under warranty, but I cannot reach any live person at Canon, so I will try my question here.</P><P>In spite of repeated "bottom plate cleaning", smudges (both on test paper and on photos) remain. The nozzle test pattern is OK. What should I do? Replace all ink cartridges?</P><P>&nbsp;</P> Mon, 31 Aug 2020 14:49:35 GMT https://community.usa.canon.com/t5/Professional-Photo-Printers/PIXMA-PRO-100-smudges/m-p/317909#M10101 entropy71 2020-08-31T14:49:35Z https://community.usa.canon.com/t5/Professional-Photo-Printers/PIXMA-PRO-100-smudges/m-p/320736#M10249 <P>Hi entropy71,</P><P>&nbsp;</P><P>Because there are various causes to smudging, it is recommended that you contact one of Canon's Technical Support Representatives via phone or chat. To contact a Technical Support Representative, please use the link below:<BR /><BR /><A href="https://mycanon.usa.canon.com" target="_blank">https://mycanon.usa.canon.com</A></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Wed, 07 Oct 2020 19:48:48 GMT https://community.usa.canon.com/t5/Professional-Photo-Printers/PIXMA-PRO-100-smudges/m-p/320736#M10249 Patrick 2020-10-07T19:48:48Z