Genuine toner cartridges offer the very best results, and Kyocera`s genuine toner cartridges (like the TK7300) are proof of this! Each Kyocera 1T02P70NL0 toner cartridge comes filled with the black toner necessary to print an estimated 15,000 pages.Whether you are printing text or images, you can rely upon the original Kyocera TK7300 toner cartridge to delivery whenever you need it. Compatible exclusively with the ECOSYS P4040dn, the 1T02P70NL0 black toner cartridge is as versatile as it is reliable.