We no longer carry cartridges for the Panasonic KX-P7310. As printer technology evolves and advances older models become discontinued along with the cartridges they are compatible with. Instead of searching for these disconitnued items, we suggest you look at our list of printers available to you directly from our site. We offer an excellent selection of printers to meet any possible budget and every conceivable need. Our Pantum printers are a great choice for those who are seeking a solid and reliable text-only laser printer that can easily handle high volume print jobs. If you're looking for a laser printer that can do it all, check out our selection of recertified HP printers. These printers have undergone a detailed remanufacturing process to meet like-new standards so you can receive the quality and convenience of a fully operating laser printer at a fraction of the cost.