HP LaserJet 5200 Printer series - Manual (Page 101)

2. Remove the used print cartridge from the printer.
3. Remove the new print cartridge from the bag. Place the used print cartridge in the bag for recycling.
4. Grasp both sides of the print cartridge and distribute the toner by gently rocking the print cartridge.
CAUTION: Do not touch the shutter or the surface of the roller.
ENWW Replacing supplies and parts 89