4 Pack Replacement Type 145 Toner Cartridges Color Set for Ricoh Aficio CL4000dn, SP C410dn, SP C411dn, SP C420dn High Yield Compatible Toner Cartridges Combo 888308, 888309, 888310, 888311 (Type 145), Lanier LP 126cn Lanier LP 226cn, Savin CLP27DN Savin CLP31DN, Gestetner Corp C7425dn Gestetner Corp C7526dn Gestetner Corp C7531dn By Series Printers Replacement Toner Cartridge Not- OEM Product's , Compatibility For Ricoh Aficio CL4000dn, SP C410dn, SP C411dn, SP C420dn High Yield Compatible Toner Cartridges Combo 888308, 888309, 888310, 888311 (Type 145), Lanier LP 126cn Lanier LP 226cn, Savin CLP27DN Savin CLP31DN, Gestetner Corp C7425dn Gestetner Corp C7526dn Gestetner Corp C7531dn Series Printers To Replace Toner Cartridges with part numbers : 8888308 8888309 8888310 8888311 Type 145 Print yield: at 5% coverage Black:Yields up to 15,000 Pages; C,M,Y : Yields up to 15,000 Pages 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 .