Compatible Konica 7812 / 7820 Yellow Toner Cartridge guaranteed to perform with Konica Printers. The compatible replacement cartridges are particularly engineered to achieve the maximum standards of reliability and yields that meet or exceed OEM standards and offer high-quality printing results. Manufactured brand new under ISO 9001 quality management with 100% new components, they are a cost efficient alternative to expensive OEM Konica 950-186 Toner Cartridges. We offer a 100% Quality Satisfaction and 1 Year Risk-Free Guarantee.