Epson Standard Capacity Laser Toner Magenta. Suitable for AcuLaser C3900 series printers. Approximate page yield: 6,000. OEM: C13S050591.Compatible Printers: Epson Aculaser CX 37 DTN, Epson Aculaser C 3900, Epson Aculaser C 3900 DTN, Epson Aculaser C 3900 TN, Epson Aculaser C 3900 DN, Epson Aculaser CX 37 DTNF, Epson Aculaser CX 37 DN, Epson Aculaser C 3900 N, Epson Aculaser CX 37 DNF, Epson Aculaser C 3900 Series