Do it Wiser Remanufactured Toner Cartridge Replacement for Oki C610 C610n c610dn | 44315304 44315303 44315302 44315301 (Black Cyan Magenta Yellow, 4-Pack) Compatible with part numbers 44315304 44315303 44315302 44315301 Compatible with: Oki C610 | Oki C610n | Oki C610dn | Oki C610cdn | Oki C610dtn Estimated page yield: Black 8,000 and colors 6,000 pages (depends on printer and usage) Cartridges certified to work | ISO 9001 quality assurance | ISO 14001 environmental management | RoHS Lead Free Do it Wiser Smart Toner Cartridges are covered by 1 year warranty against defects 1 Black - 8,000 pages 3 Colors- 6,000 pages each one Oki C610 Oki C610n Oki C610dn Oki C610cdn Oki C610dtn