Patent ID: 8383189

Claim:
A method of operating an inkjet imaging device, the method comprising: supplying a high gloss colorless coating ink having a first gloss level to a first group of inkjet nozzles; supplying a low gloss colorless coating ink having a second gloss level to a second group of inkjet nozzles, the second gloss level being less than the first gloss level; supplying a colored ink to a third group of inkjet nozzles; ejecting the colored ink from the third group of inkjet nozzles to form an image on an image receiving member; and selectively actuating the first group and second group of inkjet nozzles to eject the high gloss and low gloss colorless coating inks onto the image receiving surface on which the image was formed, the colorless coating inks being ejected in accordance with a single halftone pattern to form a gloss coating on the image receiving surface, the single halftone pattern being an array of halftone cells, each halftone cell identifying whether a pixel to be formed on the image receiving member is formed with the high gloss colorless ink ejected from the first group of inkjet nozzles or with the low gloss colorless ink ejected from the second group of inkjet nozzles, the halftone cells in the single halftone pattern being used to operate the inkjet nozzles to generate a predetermined gloss level for the gloss coating.