HP Color LaserJet Enterprise CP5525 Printer series - Manual (Page 115)

5. Grasp both sides of the print cartridge and
distribute the toner by gently rocking the print
cartridge.
6. Remove the orange protective cover from the
print cartridge.
CAUTION: Avoid prolonged exposure to
light.
CAUTION: Do not touch the green roller.
Doing so can damage the cartridge.
7. Align the print cartridge with its slot and insert
the print cartridge until it clicks into place.
NOTE: The print cartridges go in at a slight
angle.
8. Close the front door.
ENWW Replacement instructions 99