An update to my previous comment - changing the colour model setting in the printer settings from RGB to CYMK seems to have fixed this. I'm not really sure of the significance - I know the printer _is_ CYMK but my previous printer (an Epson Stylus C84) was set to RGB and seemed to work just fine.
An update to my previous comment - changing the colour model setting in the printer settings from RGB to CYMK seems to have fixed this. I'm not really sure of the significance - I know the printer _is_ CYMK but my previous printer (an Epson Stylus C84) was set to RGB and seemed to work just fine.