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176 14 Troubleshooting scanning problems EN
Scanned image is of poor quality
Is the original a second generation photo or picture?
Reprinted photographs, such as those in newspapers or magazines, are printed using tiny dots of
ink that make an interpretation of the original photograph, which dramatically decreases the
quality. Often, the ink dots form unwanted patterns that, when scanned and reprinted or displayed,
can be detected. If the following suggestions do not solve your problem, you might need to use a
better quality version of the original.
● To eliminate the patterns, try reducing the size of the image after scanning. See Enhancing
images with HP LaserJet Document Manager or HP Photo Center for more information.
● Print the scanned image to see if the quality is better.
● Make sure that your resolution and color settings are correct for the type of scan job that you
are performing. See Scanner resolution and color
for more information.
● For best results, use the flatbed scanner, not the ADF, for scanning.
Is the image quality better when printed?
The image displayed on the screen is not always an accurate representation of the quality of the
scan.
● Try adjusting the settings on your computer monitor to display more colors (or levels of gray).
Typically, you make this adjustment by selecting Display, found on the Windows Control Panel.
● Try adjusting the resolution and color settings in the scanner software. See Scanner resolution
and color for more information.
Is the image skewed (crooked)?
The original might have been loaded incorrectly. It is important to use the media guides when you
load the originals into the ADF. See Loading originals to copy or scan
for more information.
Does the scanned image have blots, lines, vertical white stripes, or any
other defect?
See Improving scan quality for more information.
Is the scanner dirty?
If the scanner is dirty, the image produced will not have optimum clarity. See Cleaning the outside
of the product for instructions.
Do graphics appear different from the original?
The graphics settings might not be suitable for the type of scan job that you are performing. Try
changing the graphics settings, see Changing settings from your computer
for more information.
Part of the image did not scan or text is missing
Was the original loaded correctly?
Make sure that you loaded the original correctly. See Loading originals to copy or scan for
instructions.