4 Pack Compatible Replacement Toner Cartridges to Replace Dell C1660w C1660 C1660cnw (1BK - 332-0339, 1C - 332-0400, 1M - 332-0401, 1Y - 332-0402). Page Yield: 1250 pages at 5% for black and 1000 pages at 5% coverage for Color. Our Compatible Alternative Dell C1660w Toner cartridges come with brand new reset chips which provide accurate accurate toner level monitoring on your printer and allows the cartridge to communicate more effectively with your printer. Manufactured by ISO and STMC certified facility. 100% Guarantee on all of our products!