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Hello Hector I have the exact same printer and when I print in color the entire paper has a reddish tint in it. Black and white comes out perfect though. This happens whether I print from my iPhone (AirPrint) or I put something on the glass and copy it. Color comes out reddish/pink. I do not use the printer through my computer again I use it to print from my phone. Model is Canon MF7133C. The maintenance functions on the printer itself in settings doesn't help. The toner cartridges were all replaced a few months ago and all show pretty full. Any suggestions? Thanks.