Lexmark CS943 Users Guide - Page 329
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Troubleshoot a problem 329 Action Step 2 a Load paper from a fresh package. Note: Paper absorbs moisture due to high humidity. Store paper in its original wrapper until you use it. b Print the document. Yes Go to step 3. No The problem is solved. Do vertical dark lines appear on prints? Step 3 a Remove the printhead wiper, and then clean the printhead lenses. b Print the document. Go to step 4. The problem is solved. Do horizontal dark lines appear on prints? Step 4 a Remove the photoconductor units. Warning-Potential Damage: Do not expose the photoconductor units to direct light. Extended exposure to light may cause print quality problems. Warning-Potential Damage: Do not touch the photoconductor drums. Doing so may affect the quality of future print jobs. b Insert the photoconductor units. c Print the document. Contact customer The problem is support. solved. Do vertical dark lines appear on prints? Horizontal white lines Notes: • Before solving the problem, print the Print Quality Test Pages. From the home screen, touch Settings > Troubleshooting > Print Quality Test Pages. • If horizontal white lines keep appearing on the prints, then see the "Repeating defects" topic.