Pull out the syringe needle and ink can be drawn, plug in the needle to add ink. Tool accessories: 1pcs long rubber pad / 1pcs short rubber pad / 1pcs syringe / 1pcs Ink clip. HP 21, 22, 27, 28, 56, 57, 60, 61, 74, 75, 92, 93, 94, 96, 100, 121, 122, 300, 301,702, 703, 816, 817, 818, 802, 860, 861, 901;.
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