LDProducts.coms compatible Konica Minolta A03100F black laser drum unit is guaranteed to perform with your Konica Minolta laser printer. It replaces the original Konica Minolta A03100F laser drum unit. The compatible replacement A03100F laser toner cartridges and supplies also known as generic are specially engineered to meet the highest standards of quality, reliability and exceptional yields that meet or exceed OEM Original Equipment Manufacturer standards for the A03100F and offer high-quality printing results. Containing new rollers, they are an economical alternative to expensive OEM A03100F Konica Minolta laser drum units and supplies, and offer big savings over brand-name A03100F laser drum unit and supplies. The use of compatible replacement drum units does not void your printers warranty. We offer a Two Year 100% Quality Satisfaction Guarantee on our compatible A03100F cartridges and supplies. LD Cartridges are manufactured in an internationally certified ISO 9002 factory. LD cartridges come with a 100% Two Year money back guarantee and technical support. For use in the following printers MagiColor 4650, 4650DN, Konica Minolta 5570, Konica Minolta 5550, 4650EN.