Save even more with our 4 pack compatible high yield Dell laser cartridges. This bulk set includes 4 KU052 high yield black laser toner cartridges. Why pay twice as much for brand name Dell Printer laser cartridges when our compatible printer supplies deliver excellent quality results for a fraction of the price? 100% brand new, manufactured to meet the highest quality and performance standards. Our compatible brand replacement laser cartridges for your Dell printer are backed by a full 2 year 100% satisfaction guarantee. This unit replaces the following Dell part numbers KU052, 310-9058, TP112, 310-9059, RY857, DT615. So stock up now and save even more! This combo set works with the following Dell printers 1320 and 1320C. .