Save and print even more when you shop with LD Products! This listing contains 2 593-BCBC extra high-yield black laser toner cartridges; they replace Dell OEM part numbers 1KTWP and CYJCY. Why pay twice as much for brand name Dell when our compatible printer supplies are guaranteed to meet or exceed the same quality standards as the original OEM brand? This set is compatible with Dell Color Laser MFP S3845cdn and S3840cdn printers. Please note, retail packaging may vary and these cartridges will only work with printers purchased within the United States and Canada. The use of compatible printing supplies does not void your printers warranty. LD is proud to offer a 100% satisfaction and lifetime guarantee on all remanufactured and compatible printing products. We are the exclusive reseller of LD Products brand of high quality printing supplies on Amazon.