Hello, if you are using the black ink bottle 322FK, the applicable black print head model is XJ322-0B, and the color is XJ311-0C. The color ink bottles are 311FC, 311FM, and 311FY. If you are using the black ink bottle 311FK, the applicable black print head model is XJ311-0B, and the color is XJ311-0C. The color ink bottles are 311FC, 311FM, and 311FY.