How do you restock HP ink cartridges series 02? I can not fine to hole to put the ink within. Thank you, Karl?

How do you restock HP ink cartridges series 02? I can not fine to hole to put the ink within. Thank you, Karl?

drill the hole surrounded by the little circular divot on top of the tape. it's not very sturdy, actually (the top one the coloured part, not the black part).
With some ink cartridges you enjoy to drill a hole. The refill utensils should come with a foot drill and plugs.