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84 Troubleshooting usage and maintaining Back to TOC
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This section contains solutions to issues that affect all scanned
images, regardless of whether you used the scanner glass or the ADF.
If you were printing, see also "Resolving issues with printed copies" on
page 86.
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The original image might be very light or dark or be printed on
colored paper. Adjust the midtone, highlight, and shadow settings
from the HP PrecisionScan Pro software. See "Scanning from HP
PrecisionScan Pro" on page 31.
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There might be ink, glue, white-out, or some other substance on
the scanner glass. Clean the scanner glass. See "Cleaning the
scanner" on page 99.
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● The scanner glass might be dirty. Clean the glass. See
"Cleaning the scanner" on page 99.
● If you are using the ADF, there might be a page on the scanner
glass. Raise the ADF unit and remove any pages on the scanner
glass.
● If you are using the ADF, the ADF window might be dirty or
scratched. Clean the ADF window. See "Cleaning the ADF" on
page 100. If cleaning does not correct the issue, the ADF
window might need to be replaced. See "Replacing the
ADF Window" on page 102.
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● The resolution, sharpening, or midtone, highlight, and shadow
settings might need to be adjusted before scanning. See
"Scanning from HP PrecisionScan Pro" on page 31.
● The original might be on colored paper. If the original was
printed on a colored paper, including brown recycled paper, the
image or text might not be clear. Try adjusting the resolution and
midtone, highlight, and shadow settings from the
HP PrecisionScan Pro software. See "Scanning from HP
PrecisionScan Pro" on page 31.