Magenta Toner Cartridge (4,500 pages) for Epson C1900,C900 Printers. EPSON AcuLaser C900 and C1900 MicroPolymer toner is engineered to give the highest resolution and colour saturation possible. This guarantees a high quality output with uniform toner coverage by using smaller toner particles, and improves the stability and quality of ouputs.