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HP Officejet 4500 (G510) - static.highspeedb...

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Chapter 7<br />

• Black dots or streaks<br />

Ink, glue, correction fluid, or an unwanted substance might be on the scanner glass<br />

or lid backing. Try cleaning the device. See Maintain the device for more information.<br />

• Copy is slanted or skewed<br />

If the product has an automatic document feeder (ADF), check the following:<br />

◦ Make sure that the ADF input tray is not too full.<br />

◦ Make sure that the ADF width adjusters are snug against the sides of the media.<br />

• Unclear text<br />

◦ Try adjusting the contrast and copy-quality settings.<br />

◦ The default enhancement setting might not be suitable for the job. Check the<br />

setting and change it to enhance text or photographs, if needed. For more<br />

information, see Change copy settings.<br />

• Incompletely filled text or graphics<br />

Try adjusting the contrast and copy-quality settings.<br />

• Large, black typefaces look splotchy (not smooth)<br />

The default enhancement setting might not be suitable for the job. Check the setting<br />

and change it to enhance text or photographs, if needed. For more information, see<br />

Change copy settings.<br />

• Horizontal grainy or white bands in light-gray to medium-gray areas<br />

The default enhancement setting might not be suitable for the job. Check the setting<br />

and change it to enhance text or photographs, if needed. For more information, see<br />

Change copy settings.<br />

The device prints half a page, then ejects the paper<br />

Paper mismatch<br />

Check the ink cartridges<br />

Make sure the correct ink cartridges are installed and the ink cartridges are not low on<br />

ink. For more information, see Device management tools and Check the estimated ink<br />

levels.<br />

<strong>HP</strong> cannot guarantee the quality of non-<strong>HP</strong> ink cartridges.<br />

Check the settings<br />

Verify that the loaded media size and type matches the control panel settings.<br />

Solve scan problems<br />

If the following topics do not help, see <strong>HP</strong> support for information about <strong>HP</strong> support.<br />

NOTE: If you are starting the scan from a computer, see the software Help for<br />

troubleshooting information.<br />

• Scanner did nothing<br />

• Scan takes too long<br />

• Part of the document did not scan or text is missing<br />

96 Solve a problem

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