Epson High Yield Yellow Toner Cartridge for use in Epson Aculaser 3800 series machines. OEM Ref - C13S051124.Compatible Printers: Epson Aculaser C 3800, Epson Aculaser C 3800 Series, Epson Aculaser C 3800 N, Epson Aculaser C 3800 DN, Epson Aculaser C 3800 DTN