Roland's Cleaning/Conversion Kit is a set of FOUR cartridges that are used when you change from dye to pigmented inks or when you change color sets (light cyan/light magenta to orange/green).

THIS SET CAN BE USED UP TO THREE TIMES.(Water Based Inks) IJ-CL-KIT4 WATERBASED CLEANING KIT Pro and Pro II FJ-400 FJ-500 FJ-600 FJ-540 FJ-640 FJ-740