[header] How to refill an inkjet printer cartridge [title] Purchase an ink refill kit at an office supply store. [step] Many office supply and discount stores carry this inexpensive kit. ( it usually costs about half the price of an average printer cartridge. 
) you can also find these kits at online retailers. [title] Gather your kit, a roll of paper towels, and some clear scotch tape together on a large flat working surface, a table or desk.