2717Daily Control7.8 Adjusting Gradation7.8.1 Gradation AdjustmentWhen the color gradation of the printed image is incorrect, you can easily adjust it.Through this gradation adjustment, the image quality of this machine can beconsistently maintained.Gradation adjustment is divided into two types, resolution preferred and gradationpreferred.To adjust the gradation of the High Resolution-conscious part like text, selectresolution preferred . To adjust the smoothness of gradation for graphics and photoimages, select gradation preferred.When adjusting gradation, print the gradation adjustment chart and compare it with“Color sample for halftone reproduction tuning” included with the printer to get thevalue for [Lighter/Darker] settings, and set this value for the printer.You can specify low density (Low)/middle density(Mid)/high density (High) for C (cyan), M (magenta), Y (yellow), K (black).To reset the value in [Lighter/Darker] to the default value after gradation adjustment,set all values to [0]. If all values are set to [0], gradation adjustment is disabled.● If color gradation is often out even after gradation adjustment, contact our Customer SupportCenter or your dealers.● Resetting values in [Lighter/Darker] to the default value (all [0]) does not mean that the imagequality returns to the quality that you could get first at installation time. Using the printer for a longperiod, the image quality has differed from that at installation time under influence of aging,change in the environment, and amount printed.
