20 Greyscale printingG REYSCALE PRINTINGIf you select Greyscale, the printer converts all colours intoshades of grey, and prints using only black toner.Use Grayscale to speed up printing of proof copies or when youdo not need to print a colour document in colour.WINDOWS1. If using the PCL driver, in the driver’s [Setup] tab, chooseany previously saved [driver settings] you need. See“Recalling saved driver settings” on page 8.2. On the driver’s [Colour] tab, click [Greyscale], then click[Advanced].Some applications will attempt to set the halftone screeninformation for the printer. If the option to [use printerhalftones] is left at ON, the printer will set its own halftonescreen value, giving a smoother result. It is recommendedto leave this option on.[Optimised greyscale halftones] may take slightly longer toprint but will give best quality.