HP LaserJet Pro MFP 4101-4104dw User Guide 1 - Page 152
Improve copy and scan image quality, Introduction, Check the scanner glass for dirt and smudges
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Improve copy and scan image quality Learn how to improve the quality of copies and scanned images, and how to properly clean the scanner glass. Introduction If the printer is having image quality problems, try the following solutions in the order presented to resolve the issue. Try these few simple steps first: ● Use the flatbed scanner rather than the document feeder. ● Use high-quality originals. ● When using the document feeder, load the original document into the feeder correctly, using the paper guides, to avoid unclear or skewed images. If the problem still exists, try these additional solutions. If they do not fix the problem, see "Improve print quality" for further solutions. Check the scanner glass for dirt and smudges Over time, specks of debris might collect on the scanner glass and white plastic backing, which can affect performance. Use the following procedure to clean the scanner. 1. Press the Power button to turn off the printer, and then disconnect the power cable from the electrical outlet. 2. Open the scanner lid. 3. Clean the scanner glass and the white plastic backing underneath the scanner lid with a soft cloth or sponge that has been moistened with nonabrasive glass cleaner. CAUTION: Do not use abrasives, acetone, benzene, ammonia, ethyl alcohol, or carbon tetrachloride on any part of the printer; these can damage the printer. Do not place liquids directly on the glass or platen. They might seep and damage the printer. 4. Dry the glass and white plastic parts with a chamois or a cellulose sponge to prevent spotting. 5. Connect the power cable to an outlet, and then press the Power button to turn on the printer. Check the paper settings Follow these steps to check the paper settings on the printer control panel. 1. From the Home screen on the printer control panel, swipe the tab at the top of the screen downward to open the Dashboard, and then touch the Setup icon . 2. Scroll to and touch Paper Setup, and then touch the name of the tray you are printing from. 3. Touch Paper Size, and then touch the paper size option that matches the size of paper in the tray. 4. Touch Paper Type, and then touch the paper type option that matches the type of paper in the tray. Improve copy and scan image quality 141
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