This is a Compatible Konica Minolta 4053-603 Magenta Laser Toner Cartridge, guaranteed to perform with Konica Minolta Bizhub C300 and C352 Color Copiers. It replaces the original Konica Minolta 4053-603 Laser Toner Cartridge and offers a standard yield of up to 12,000 pages. Manufactured brand new, this cartridge is an economical alternative to expensive OEM options, providing significant savings without compromising on quality. The use of compatible replacement Laser Toner Cartridges does not void your printer warranty. We back this product with a 100% Quality Satisfaction Guarantee.