How to refill HP 302 inkjet cartridge? HP Envy 4524

Refill Your empty HP 302 inkjet cartridge by using a simple refill syringe and confirm the use of the refilled cartridges in Your HP printer. Refill kit inks + supplies: https://www.octopus-office.de/shop/en/printer-ink/printer-ink-hp/hp-302-304/4952/refill-ink-kit-for-hp-302-hp-304-four-colours?c=4290?sPartner=Youtube001 Storage clips: https://www.octopus-office.de/shop/en/refill-supplies/ink-refill-supplies/cartridge-clips-for-storage/829/cartclip-bluepad-all-round-cartridge-clip?sPartner=Youtube001