ʻO kaHP 21 Pahu Inika ʻEleʻele(C9351AA) he ʻoiaʻiʻo a me ka hana kiʻekiʻe o ka ʻīnika no nā ʻano paʻi HP DeskJet a me OfficeJet, me nā hiʻohiʻona 1402, 1410, 3920, 3940, D1360, D1560, F370, F380, a me nā mea hou aku. Hāʻawi kēia pahu pahu HP mua i nā kikokikona ʻeleʻele ʻeleʻele a me ka maikaʻi paʻi kūlike, kūpono no nā palapala o kēlā me kēia lā a me nā papahana hoʻonā kiʻekiʻe.