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6. Reinstall the duplexer.
7. Close the left door.
Improve print quality
You can prevent most print-quality problems by following these guidelines.
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Use the correct paper type setting in the printer driver
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Adjust color
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Use paper that meets HP specifications
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Check the ink cartridges
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Clean ink smears
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Clean the printhead
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Use the printer driver that best meets your printing needs
132 Chapter 11 Solve problems ENWW