The toner kit of TK-5415 TK-5417 TK-5419 is a high-quality printer accessory that is designed to work with the ECOSYS PA4500ci MA4500ci printer. This toner kit is made from the best quality materials and is manufactured using advanced technology, ensuring that it delivers excellent performance and reliability. Yield up to 20,000 pages for the black cartridge and 13,000 pages of the cyan/magenta/yellow cartridge