This professionally Remanufactured Replacement to the Dell X0502, 310-3540 Black inkjet cartridge is a Non-OEM ink-jet cartridge which has been through one cycle of service and has been recharged. These refurbished alternatives to the Dell X0502 cartridges are not refurbished Dell OEM Cartridges. They are Non-OEM products that have been modified and refurbished by a remanufacturer that is not endorsed or associated with Dell and are guaranteed by LD Products.com to work with your Dell Printer. The remanufactured replacement for Dell OEM X0502 ink cartridge has been thoroughly cleaned along with the printhead nozzles. Then the replacement for X0502 ink-cartridge is inspected for any possible shell leakage, tested on the operation of all electrical circuitry and finally the alternative to OEM X0502 (7Y743) is run through an actual print test. If the refurbished replacement for X0502 inkjet cartridge passes our rigid standards, it has been remanufactured to work in your Dell Printer! We offer a Two Year 100% Quality Satisfaction Guarantee on our Alternative Remanufactured Inkjet Cartridges and Supplies to replace the Dell OEM X0502. The Refurbished Replacement for Dell X0502 can also be used instead of these OEM numbers: X0502, 310-3540, 7Y743. Please be aware that due to changes in printer programming the ink levels for this particular cartridge might appear to be low or empty. It is indeed full and will print a full yield. For use in the following printers: Photo all-in-one A960, Photo all-in-one A940. LD Products is the exclusive reseller of LD Products brand of high quality printing supplies on Newegg.