1 Pack Replacement for Ricoh Sp 311hs 407245 Sp311 311 Toner Cartridge Use for Ricoh Sp 311dn Sp 311dnw Sp 311sfn Sp 311sfnw Series Printers Replacement Toner Cartridge Not- OEM Product's , Compatibility For Ricoh SP311 SP 311DN SP 311DNw SP 311SFN SP 311SFNw Series Printers Page Yield at 5% Coverage: Black is 3,500 pages per cartridge. To Replace Toner Cartridges with part numbers : 407245 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 ReInkCo .