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Step 1
Turn your printer on and lift up the cover. Remove the HP 98 cartridge by pulling the cartridge top forward and snapping it out of its holder. Place the cartridge on several pages of old newspapers.
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Step 2
Using the tip of the sharp knife, gently peel away the top part of the HP sticker label. There is a small refill hole underneath the label.
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Step 3
Fill the syringe with 15 cc of black refill ink (see Resources below). Insert the needle deep into the refill hole so that the needle is actually inside of the cartridge sponge.
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Step 4
Slowly inject the ink into the sponge until it is completely soaked.
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Step 5
Remove the syringe and firmly reseal the hole with the sticker label. Use additional tape to make sure the label is securely applied.
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Step 6
Gently wipe around the print head on the bottom of the cartridge with toilet paper. Remove clogs or any excess ink that may have dripped out.
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Step 7
Insert the cartridge bottom back into your printer's holder. Push the cartridge top back until the cartridge snaps into place, and close the printer cover.