GR Ink – Black

The GR Ink S-539 Black is a premium-quality duplicator ink formulated for use in Riso GR-series digital duplicators. Designed for high-speed and high-volume printing, this ink delivers sharp, dense black output with excellent consistency. Its smooth flow technology ensures reliable performance without smudging or clogging, making it ideal for everyday printing needs in offices, schools, commercial centers, and copy shops.

The S-539 cartridge provides long-lasting print capacity, offering a cost-effective solution for bulk printing such as forms, notices, booklets, and exam papers. Packaged in a durable tube and secure box, the ink is easy to install, ensuring clean and hassle-free handling. With dependable print clarity and strong coverage, GR Ink S-539 is a trusted choice for professional duplicator users who need both quality and affordability.