Chapter 11

Unwanted lines

The scanner glass, lid backing, or frame might need cleaning. See Clean the device for more information.

Black dots or streaks

Ink, glue, correction fluid, or an unwanted substance might be on the scanner glass or lid backing. Try cleaning the device. See Clean the device for more information.

Copy is slanted or skewed

Make sure that the ADF input tray is not too full.

Make sure that the ADF width adjusters are snug against the sides of the media.

Unclear text

Try adjusting the contrast and copy-quality settings.

The default enhancement setting might not be suitable for the job. Check the setting and change it to enhance text or photographs, if needed. For more information, see Change the copy settings.

Incompletely filled text or graphics

Try adjusting the contrast and copy-quality settings.

Large, black typefaces look splotchy (not smooth)

The default enhancement setting might not be suitable for the job. Check the setting and change it to enhance text or photographs, if needed. For more information, see Change the copy settings.

Horizontal grainy or white bands in light-gray to medium-gray areas

The default enhancement setting might not be suitable for the job. Check the setting and change it to enhance text or photographs, if needed. For more information, see Change the copy settings.

The device prints half a page, then ejects the paper

Check the ink cartridges

The ink cartridges may have run out of ink, and the print job was cancelled. Replace the ink cartridges, and then resend the print job to the device. For more information, see Replace the ink cartridges.

Error messages appear

Reload document and then reload job

Press the OK button, and then reload the remaining documents (up to 20 pages) in the ADF. For more information see Load the originals.

Solve scan problems

If the following topics do not help, see Support and warranty for information about HP support.

200 Maintain and troubleshoot

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HP Pro 8500 - A909a, Pro 8500 - A909g, Pro 8500 Premier - A909n, Pro 8500 - A909b Solve scan problems, Error messages appear