Why Do I Have Lines On My Paper When Printing Hp Laserjet

Chosen Solution

How come when I print I am getting black lines on the copies? Update (07/26/2022) We have a HP Color Laser Jet Pro MFP M479fdw

First try a fresh Ink cartridge to see if the drum is damaged. If the lines are present on the paper in the same way then the corona wire needs cleaning or replacing How to change a corona wire