Elevate your printing with the Riso Z-Type S-4253 MZ Black Ink – a premium, high-yield ink designed for Riso duplicators. This box of 2 (800ml each) delivers crisp, bold black prints with exceptional clarity. Compatible with Riso MZ 770, RZ 200, RZ 370, and more, it ensures smooth operation and high-volume output—perfect for offices, schools, and businesses. Fast-drying, eco-friendly, and easy to install, this genuine Riso ink guarantees reliability and professional results every time.