HP Color LaserJet CM1015CM1017 Multifunction Printer series - Manual (Page 179)

2. Remove the used print cartridge from the MFP.
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 by the blue handles and distribute the toner by gently rocking
the print cartridge from side to side.
CAUTION Do not touch the shutter or the surface of the roller.
ENWW Change print cartridges 165