TroubleshootingPhaser 7100 Color Printer 111User GuideProblem SolutionSmears, Smudges, and StreaksDark or light marks appear on youroutput.Run several blank pages through the printer to remove toneraccumulated on the fuser.If the problem persists, print a Calibration Chart to determine whichcomponent is causing the image-quality problem. To print theCalibration Chart, on the control panel, select Menu > Admin Menu >Image Quality > Adjust Gradation > Photo > Calibration Chart. Thenfollow the onscreen instructions.• If the defect occurs in one color only, replace the correspondingimaging unit.• If the defect occurs in all colors and is visible on the test page,replace the fuser.Stray black dots or white areas(dropouts).1. Replace the paper with a recommended size and type, and confirmthat your control panel and print driver settings are correct. Fordetails, see Supported Paper on page 38.2. Verify that the toner cartridges meet specifications and replace themif necessary. For details, see Consumables on page 87.Repeating Spots or LinesSpot or lines appear at regular intervalson the prints.To determine the cause, print full pages of the primary colors: cyan,magenta, yellow, and black (CMYK). Then measure the distance betweenthe print defects.• Imaging Unit 94 mm (3.7 in.), 38 mm (1.5 in.), or 31 mm (1.2 in.)• Fuser 94 mm (3.7 in.), 83 mm (3.3 in.), or 44 mm (1.7 in.)• Transfer Roller 68 mm (2.7 in.)If the repeating defects match one of these distances, replace that item.For more information, and printable CMYK pages, go towww.xerox.com/office/7100support.
