Inspect the toner cartridge for damage, Check the paper and printing environment, Use paper that meets hp specifications – HP LaserJet Pro 500 Color MFP M570 User Manual
Page 197

Inspect the toner cartridge for damage
1.
Remove the toner cartridge from the product,
and verify that the sealing tape has been
removed.
2.
Check the memory chip for damage.
3.
Examine the surface of the imaging drum on the
bottom of the toner cartridge.
CAUTION:
Do not touch the roller (imaging
drum) on the bottom of the cartridge.
Fingerprints on the imaging drum can cause
print-quality problems.
4.
If you see any scratches, fingerprints, or other
damage on the imaging drum, replace the toner
cartridge.
5.
If the imaging drum does not appear to be
damaged, rock the toner cartridge gently several
times and reinstall it. Print a few pages to see if
the problem has resolved.
Check the paper and printing environment
Use paper that meets HP specifications
Use different paper if you are having any of the following problems:
●
The printing is too light or seems faded in areas.
●
Specks of toner are on the printed pages.
●
Toner is smearing on the printed pages.
ENWW
Improve print quality 183