Set of 6 Compatible Brother ink cartridges (3 x LC237XL Black + 1 x LC235XL Cyan/Magenta/Yellow) FOR USE WITH THESE PRINTERS ONLY: Brother DCPJ4120DW, MFCJ4620DW Yield: Up to 1200 Pages (28ml) LC237XL BK Yield: Up to 1200 Pages (15ml) LC235XL C/M/Y