HP TopShot LaserJet Pro M275 MFP - Manual (Page 147)

7. Wait until the Rotating message disappears
and the rotation sounds stop, and then open
the print-cartridge door.
8. Grasp the old print cartridge by the center
handle and remove it.
9. Remove the new print cartridge from the
packaging. Place the used print cartridge in
the bag and box for recycling.
CAUTION: To prevent damage to the print
cartridge, hold the print cartridge at each end.
Do not touch the roller on the print cartridge.
10. Grasp both sides of the new print cartridge
and gently rock it to distribute the toner evenly.
ENWW Replace the print cartridges 137