A guide to printing > 197ABOUT RGB AND CMYK COLOURSome application programs give you the choice to create and editdocuments using either RGB colour or CMYK colour. Typically,only professional graphics and desktop publishing softwaresupport CMYK colour. Most application programs only supportRGB colour, for example Microsoft Office programs or webbrowsers.If your application program does not give you the choice of RGBor CMYK colour, you should assume that it only supports RGB.The RGB colour model is based on the three primary colours oflight; Red, Green and Blue. This model is used by scanners,digital cameras and computer monitors.The CMYK colour model is based on Cyan, Magenta, Yellow andBlack printer inks or toners.ABOUT THE PRINTER DRIVERSDepending on your operating system, you may have the choiceof different drivers to use with your MFP. You may wish to selecta printer driver based on whether it supports CMYK data.SUPPORTFOR RGBDATASUPPORTFOR CMYKDATAPCL 5c driver ✔ ✘PCL 6 driver ✔ ✘PostScript driver ✔ ✔
