ESTON 4 Pack S35 FX8 Laser Toner Cartridge for lCD-340 L-170 D-320 340 Printer Package contains : 4 Pack Black S35 FX8 Toner Cartridge Page yield : Up to 3500 pages each toner cartridge For use with :Canon Fax L380 L380S L390 L400 L170 / ImageClass D320 D340 D360 D383 / LaserClass 310 510 PC310 PC-D320 PC-D340 Shelf life : 2-year . Manufactured with ISO9001 certified to ensure clear printing result 1-Year Warranty /100% Satisfaction Guarantee,We aims at the pursuit of optimal quality at affordable price.