Can be used for removing ink clogging & fixing printing problems like broken printing. The contents of this kit are colour coded syringe with blunt tip needles - 4nos , suction syringe – 1 no, suction holder for color cartridge- 1 no, suction holder for black cartridge – 1 no , Tissue paper -2 nos, Gloves - 2nos & color identification sticks-3 nos. Just open the lid of the cartridge using a sharp tool like knife/screw driver, take ink in the syringe, just fill it and paste the lid back. If ink is not coming out properly through the cartridge nozzle, after refilling then put the cartridge in the suction holder and suck one or two ml ink using the suction syringe. Only cartridge in a good condition can give good prints after refilling.