Lexmark CS728 Users Guide PDF - Page 89
Horizontal dark lines, Step 1, Settings, Print, Quality, Advanced Imaging, Color Adjust
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Troubleshooting 89 Action Step 1 a From the home screen, touch Settings > Print > Quality. b Adjust the toner darkness. c Print the document. Yes Go to step 2. No The problem is solved. Does gray background still appear on prints? Step 2 a From the home screen, touch Settings > Print > Quality > Advanced Imaging > Color Adjust. b Start the process. c Print the document. Go to step 3. The problem is solved. Does gray background still appear on prints? Step 3 a Remove, and then reinstall the imaging unit or imaging kit. Contact customer support. Warning-Potential Damage: Do not expose the imaging unit or imaging kit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems. Warning-Potential Damage: To avoid damage, do not touch the underside of the imaging unit or imaging kit. b Print the document. The problem is solved. Does gray background still appear on prints? Horizontal dark lines ABCDE ABCDE ABCDE Note: If horizontal dark lines keep appearing on your prints, then see the "Repeating defects" topic. Action Yes Step 1 Go to step 2. a Depending on your operating system, specify the tray or feeder from the Printing Preferences or Print dialog. b Resend the print job. No The problem is solved. Do horizontal dark lines still appear on prints?