https://community.usa.canon.com/t5/Office-Printers/Canon-MF8380-Colorwriter-blue-smudges-on-all-pages/m-p/135498#M1666 <P>My printer started to print lots of blue smudges on both sides of any print job when there was a color graphic included. If it's black and white no problems. I cleaned the Fixing Unit and the ITB per the menu. I check the toner levels and everything appears to be OK - should I just replace the Cyan toner cartridge? Is there some other filter that maybe needs cleaning?</P><P>&nbsp;</P><P>I have had this printer @ 2 years and never had it cleaned...I am only on my second round of cartridges, I am not a heavy user.</P><P>&nbsp;</P><P>I don't want to waste on if I don't have to...</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Mon, 09 Mar 2015 20:03:10 GMT dancarmo 2015-03-09T20:03:10Z https://community.usa.canon.com/t5/Office-Printers/Canon-MF8380-Colorwriter-blue-smudges-on-all-pages/m-p/135498#M1666 <P>My printer started to print lots of blue smudges on both sides of any print job when there was a color graphic included. If it's black and white no problems. I cleaned the Fixing Unit and the ITB per the menu. I check the toner levels and everything appears to be OK - should I just replace the Cyan toner cartridge? Is there some other filter that maybe needs cleaning?</P><P>&nbsp;</P><P>I have had this printer @ 2 years and never had it cleaned...I am only on my second round of cartridges, I am not a heavy user.</P><P>&nbsp;</P><P>I don't want to waste on if I don't have to...</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Mon, 09 Mar 2015 20:03:10 GMT https://community.usa.canon.com/t5/Office-Printers/Canon-MF8380-Colorwriter-blue-smudges-on-all-pages/m-p/135498#M1666 dancarmo 2015-03-09T20:03:10Z