Oem number: q2613a Color:black Compatible toner cartridge for hp mono q2613a 1.Competitive price: acm cost 30%-60%less than the oem cartridge 2. Page yield ú¦q2613a 2, 500 pages at 5%coverages 3. Compatibility: q2613a works with the following machines: Optra: lj 1300 4.Hight quality: meet or exceed oem product specifications for yield, output quality, and performance. 5. Supply ability: in stock to ensure swift delivery. 6.Protecct environmentú¦ we are reducing the use of environmentally harmful materials and pollutants. 7. Shelf life: 6-month warranty on all cartridges 8. Certification:iso9001/14001certified manufacturing facilitie If you have any question, doní»t hesitant to tell me! Nutral packing