Our compatible toner cartridges for Panasonic printers are factory tested to meet the toner cartridge specifications. Use our recycle / remanufactured printer toners which are environmental friendly to reduce your printing cost.. Delivery : Within 3 days from the date of order with payment Use for Panasonic Printer : KX-FL511 / 512 / 513ML / 540 / 541 / 613 / 653