HP Color LaserJet 2550 Printer series - Manual (Page 117)

Light print or fade
A vertical streak or an incorrect or faded color area appears on the page.
● The print media might not meet HP specifications (for example, the paper is too moist or
too rough). See
Print-media specifications .
● 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 the
remaining life. Replace the imaging drum if it is low or empty.
● If none of the print cartridges or the imaging drum is low or empty, remove the print
cartridges one at a time and inspect the toner roller in each to see if the roller is
damaged. If so, replace the print cartridge.
● If the light printing is on the left side of the page, the carousel might be dislocated.
Service is required.
● If the problem is not resolved, see If the problem is not resolved .
Toner specks
Specks of toner occur randomly on the page.
● The print media might not meet HP specifications. For example, the paper is too moist or
too rough. See
Print-media specifications .
● The paper path might need cleaning. See Cleaning the printer .
● If the problem is not resolved, see If the problem is not resolved .
ENWW Solving print-quality problems 107