Gray background
The amount of background toner shading becomes unacceptable.
● Perform a calibration. See Calibrating the printer.
● Use a different paper with a lighter basis weight. See
Print-media specifications.
● Check the printer environment. Very dry (low humidity) conditions can increase the
amount of background shading.
● One or more print cartridges are low. If you are using non-HP print cartridges, no
messages appear on the printer control panel or in the HP Toolbox.
● The imaging drum might be low or empty. Print the Supplies Status page to check
remaining life. Replace the imaging drum if it is low or empty.
● If the problem is not resolved, see
If the problem is not resolved.
Toner smear
Toner smears appear on the leading edge of the paper.
● Check the print media type and quality. Use a different media, such as high-quality
paper intended for laser printers. See
Print-media specifications.
● If toner smears appear on the leading edge of the paper, the media guides are dirty, or
debris has accumulated in the print path. See
Cleaning the printer.
● The imaging drum might be low or empty. Check the status of the imaging drum by
using the printer control panel or the HP Toolbox and replace the imaging drum if it is
low or empty.
● If the problem is not resolved, see
If the problem is not resolved.
ENWW Solving print-quality problems 109
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