Lexmark XC9235 User Guide - Page 146
Horizontal white lines
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Troubleshooting 146 Horizontal white lines Leading edge Trailing edge Notes: • Before solving the problem, print the print quality test pages. From the home screen, touch Settings > Troubleshooting > Print Quality Test Pages. • If horizontal dark lines keep appearing on your prints, then see the "Repeating defects" topic. Action Yes No Step 1 Go to step 2. a Depending on your operating system, specify the paper type and weight from the Printing Preferences or Print dialog. The problem is solved. Notes: • Make sure that the settings match the paper loaded in the tray. • You can also change the settings on the printer control panel. b Print the document. Do horizontal white lines still appear on prints? Step 2 Go to step 3. a Load the specified tray or feeder with the recommended paper type. b Print the document. The problem is solved. Do horizontal white lines still appear on prints? Step 3 a Inspect the test pages to determine which color is affected. b Remove, and then reinstall the photoconductor unit. Go to step 4. Warning-Potential Damage: Do not expose the photoconductor unit to direct light for more than one minute. Extended exposure to light can cause print quality problems. Warning-Potential Damage: Do not touch the photoconductor drum. Doing so may affect the quality of future print jobs. c Print the document. The problem is solved. Do horizontal white lines still appear on prints?