The new EPSON AcuLaser MicroPolymer Toner is engineered to give customers the highest resolution and colour saturation possible. It guarantees a high quality output with a uniform toner coverage by using smaller particles, improves the stability and quality of the image. Compatible Main Units : AcuLaser C4100 Compatible Printers: Epson Aculaser C 4100, Epson Aculaser C 4100 T, Epson Aculaser C 4100 PS, Epson Aculaser C 4100 Series