NEW COMPATIBLE OKIDATA TONER CHIP C911 / C931 / C941 ( PAGE YIELD 38,000 PAGES ) WE INCLUDE 1 CHIP OF EACH COLOR 1 MAGENTA CHIP- PART # 45536522 1 CYAN CHIP - PART # 45536523 1 YELLOW CHIP - PART # 45536521 1 BLACK CHIP - PART # 45536524 MAKE SURE YOUR CARTRIDGE HAS THE SAME PART NUMBER AS THE CHIPS WE SELL, OTHERWISE THE CHIP WILL NOT WORK *** FREE SHIPPING***