https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/ip4300-on-OSX-some-text-still-muted-colour-in-grayscale/m-p/30979#M2290 <P>Been using my ip4300 happily for years. It's linked via USB to my Mac mini running OSX 10.8.4.</P><P>&nbsp;</P><P>Suddenly, my grayscale setting, which I use to print occasional emails, text docs, etc, still prints the majority of text in black, but some heads etc are in a muted green colour.</P><P>&nbsp;</P><P>For example, just printed an email, where the "To" and "ReplyTo" headers are in this green, as well as the head date.</P><P>&nbsp;</P><P>Very odd.</P><P>&nbsp;</P><P>Any idea how to get me back to all-black again?</P> Sat, 22 Jun 2013 14:00:15 GMT Necktilt 2013-06-22T14:00:15Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/ip4300-on-OSX-some-text-still-muted-colour-in-grayscale/m-p/30979#M2290 <P>Been using my ip4300 happily for years. It's linked via USB to my Mac mini running OSX 10.8.4.</P><P>&nbsp;</P><P>Suddenly, my grayscale setting, which I use to print occasional emails, text docs, etc, still prints the majority of text in black, but some heads etc are in a muted green colour.</P><P>&nbsp;</P><P>For example, just printed an email, where the "To" and "ReplyTo" headers are in this green, as well as the head date.</P><P>&nbsp;</P><P>Very odd.</P><P>&nbsp;</P><P>Any idea how to get me back to all-black again?</P> Sat, 22 Jun 2013 14:00:15 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/ip4300-on-OSX-some-text-still-muted-colour-in-grayscale/m-p/30979#M2290 Necktilt 2013-06-22T14:00:15Z