ExPrinCo (4-Pack: 1K/1C/1M/1Y) Replacing SP C430A Toner Cartridge for Ricoh Aficio SP C430 SP C430DN SP C431DN SP C431DN-HS SP C431DNHT SP C431DNHW Series Printer. (1K/1C/1M/1Y) Compatibility For Ricoh Aficio SP C430 SP C430DN SP C431DN SP C431DN-HS SP C431DNHT SP C431DNHW Series Printer. Page Yield at 5% Coverage: Black: 24,000 Pages; Cyan/Magenta/Yellow: 21,000 Pages Per Cartridge. To Replace Ink Cartridges With Part Numbers: 821105, 821106, 821107, 821108 All our items are certified with ISO 9001 and ISO 14001, Generic. All products covered by a 100% satisfaction guarantee and 90 day warranty with ExPrinCo