Ricoh Aficio SP 9100DN Software Guide - Page 297

Using PostScript 3 Performs image smoothing automatically for images that have a resolution less than 25% of supported printer resolution. Less than 90 ppi - Less than 300 ppi Performs image smoothing only when the image has an image resolution (pixels per inch) less than the respective value you have selected in the list. • When Auto is selected, data processing may take a long time. • When [Image Smoothing:] is used for a mask image, this function may have an undesired effect on the print result. Dithering Use this function to set the Image Rendering mode. The following table shows the tabs or menus where you can select this function. Mac OS Mac OS X Dithering: on Printer Specific Options in the print dialog box. Dithering: on the Feature Set: x tab on Printer Features in the print dialog box. You can select the following items: 8 Auto Use this setting to configure the best dithering method automatically depending on the appearance of the document to be printed. Photographic Performs dithering using an appropriate pattern for photographs. Text Performs dithering using an appropriate pattern for text. User Setting Use this setting to print images set in half tone in your application. 295