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Copy problems
This section helps you identify and resolve copying problems.
Preventing problems
The following are a few simple steps you can take to improve copy quality:
Copy from the flatbed scanner. This will produce a higher quality copy than copying from the
automatic document feeder (ADF).
Use quality originals.
Load the media correctly. If the media is loaded incorrectly, it might skew, causing unclear
images and problems with the OCR application. See
Loading documents to scan for instructions.
Use or make a carrier sheet to protect your originals.
NOTE Verify that the media meets HP specifications. If the media meets HP specifications,
recurring feed problems indicate the separation pad is worn and needs to be replaced. See
Replacing the tray 1 pickup roller and separation pad.
Image problems
Problem Cause Solution
Images are missing or faded. One or more print cartridges might be
low.
Replace any low print cartridges. See
Replacing the print cartridges.
The device might have calibrated
incorrectly after you installed a print
cartridge.
Calibrate the device. See Printer
calibration.
The original might be of poor quality. If your original is too light or damaged,
the copy might not be able to
compensate, even if you adjust the
contrast. If possible, find an original
document in better condition.
The original might have a colored
background.
Colored backgrounds might cause
images in the foreground to blend into
the background, or the background
might appear in a different shade. If
possible, use an original document
without a colored background.
Vertical white or faded stripes appear
on the copy.
The media might not meet
HP specifications.
Use media that meets
HP specifications. See
Media
specifications.
One or more print cartridges might be
low.
Replace any low print cartridges. See
Replacing the print cartridges. If the
error persists, inspect the print
cartridges for defects in the printing
area.
If the error persists, inspect the image drum for damage. See Replacing the
imaging drum. If the error persists, inspect the transfer roller for contamination or
damage. See Removing the transfer roller. If error persists, inspect the laser/
280 Chapter 6 Troubleshooting ENWW
292


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