HP LaserJet Pro M435 Multifunction Printer series - Manual (Page 77)

5. Remove the sealing tape. Bend the tab on the left
side of the cartridge until the tab breaks loose.
Pull the tab until all the tape is removed from the
cartridge. Place the tab and tape in the toner-
cartridge box to return for recycling.
6. Align the toner cartridge with the tracks inside
the product, insert the toner cartridge until it is
firmly seated.
7. Close the front door.
ENWW Replace the toner cartridge 69