Xerox 8500DN Service Manual - Page 246
YMCKRGB Solid Fills, Primary Solid Fills 10x
UPC - 095205022063
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Print-Quality Troubleshooting YMCKRGB Solid Fills These seven prints show uniformity of fill. If colors are uneven or wrong, see "Color is Uneven or Wrong" on page 5-9. s8500-054 Look for: Even, uniform fills throughout each print. Wrinkles or deformity of the paper itself caused by the print process show up in duplexed solid fill prints at Standard or Enhanced resolutions. To test for wrinkling, print the YMCKRGB prints in duplex mode at the Enhanced or High Resolution/Photo mode. Typically wrinkling appears in the secondary colors. See the blue and green solid fills in the illustration to the right. Causes: Weak jets or uneven Drum heating may cause uneven fills. To solve wrinkling, try different print media. Replace the maintenance kit to correct streaking. Check the Drum Temperature Sensor for debris build-up on the sensor. Check to see if the sensor is in improper contact with the Drum. See the Reverse Text test print. As a last resort to fix wrinkling, replace the transfix roller, transfix load module, and transfix load arm. Primary Solid Fills 10x This item enables you to print 10, CMYK solid fill prints. These prints are used to determine if the Drum or transfix roller have a defect. Drum defects do not move in the X-position print-to-print; but it does move into the Y'-position print-to-print. Drum defects do not repeat down the page. Transfix Roller defects do not move in the X-direction; but, these defects repeat every 4.58 in. (11.63 cm) down the length of the page. Many Transfix Roller defects will be most visible on duplex solid fills 5-40 Phaser 8400/8500/8550/8560 Color Printer Service Manual