how to inject ink in printer cartridge Purchase an ink refill kit at an office supply store. Gather your kit, a roll of paper towels, and some clear scotch tape together on a large flat working surface, a table or desk. Remove the empty cartridge from your printer. What you need. Printer-ink. You can buy it from a computer store. Step 2: The cartridge. There is a black spot on the white-sticker covering the top-cover of the cartridge. Step 3: Refill your Printer Cartridge. Draw ink into the syringe slowly and inject it into the hole
