HP Color LaserJet 8500 Service Manual - Page 461

1 Print the color adjust page. a Press GO and - VALUE + at the same time. COLOR ADJUST MENU appears on the printer control panel display. b Press ITEM until PRINT TEST PAGE appears on the display. c Press SELECT to print the color adjust page. d Press GO to exit the Color Adjust Menu. The color adjust page allows you to adjust the printer's two halftone screens for each of the four colors (black, cyan, magenta, and yellow), for a total of eight adjustments. Make these adjustments after examining the color adjust page. The color adjust page consists of two sections: the Detail Halftone Adjust section and the Smooth Half-tone Adjust section. Each section shows the adjustment ramps for black, cyan, magenta, and yellow and a neutral axis check ramp, which can be used to verify the adjustment after the correction values have been entered for each of the primary colors. Figure 233 is an example of the color adjust page. 2 Note the numbers beside the red arrows for later reference. The color adjust page indicates the last set of saved color settings with a red arrow next to the saved setting. The default for each color is 0 (other possible settings consist of -6 through 6). 3 Determine the color adjustment numbers for each color in the color ramps. a Examine the color adjust page from a distance of 6 ft (approximately 2 m). b Find the circle of each color that most closely matches the background color. It might be necessary to squint slightly to match the colors. c Record the number in the circle. EN Color balance adjustment 459