HP LaserJet 4100 HP PCL/PJL reference (PCL 5 Printer Language) - Technical Ref - Page 228

RF, Raster Fill Definition This command defines a rectangular pattern that may be used as area fill and for screened vectors (see the SV command). Use RF to create your own fill types and screen patterns. RF index,width,height,pen number[,...pen number;] or RF index[;] or RF [;] Parameter index width height pen number Format clamped integer clamped integer clamped integer integer Functional Range 1 to 8 1 to 255 1 to 255 0 or 1 Default 1 (solid) - - - The RF command does not select a fill type; use the Fill Type (FT) command with a type parameter of 11 and the corresponding raster fill index number for the second parameter (for example, [FT11,3] for an index number of 3). z No Parameters- Defaults all raster fill patterns to solid fill. z Index- Specifies the index number of the pattern being defined. Eight patterns can exist concurrently. • When you send RF with an index parameter only (RFn), the corresponding pattern is defaulted to solid fill. z Width, Height- Specify the width and height (in pixels) of the pattern being defined. 22-32 The Line and Fill Attributes Group EN