Riso Gray Ink Cartridge S-7284E (1000 ml, Oil-Based, for RZ/MZ/EZ/SF/CV/RV Series)

In busy print rooms and in-house duplicating departments, operators rely on consistent, high-volume output without constant cartridge changes. The Riso S-7284E gray ink cartridge delivers exactly that: a 1000 ml supply of genuine oil-based ink formulated for Riso digital duplicators. Whether you're producing newsletters, forms, or educational materials, this cartridge ensures crisp gray tones and dependable performance from the first print to the last.

Key specifications

• Ink colour: Gray
• Ink type: Oil-based
• Volume: 1000 ml (1 litre)
• Cartridge type: Original (OEM)
• Print technology: Digital duplicator
• Estimated yield: Up to 20,000 A4 prints at 5% coverage
• Compatible series: RZ, MZ, EZ, SF, CV, RV and more
• Package quantity: 1 cartridge

Why choose it

Genuine Riso ink is engineered to work seamlessly with your duplicator, reducing the risk of clogging and ensuring consistent colour density. The high-capacity cartridge minimises downtime, letting you focus on production rather than maintenance. Its oil-based formulation dries quickly on a wide range of paper stocks, making it suitable for high-speed runs.

Ideal use cases

• Schools and universities printing worksheets and exams
• Churches and community groups producing bulletins and flyers
• Corporate mailrooms handling internal communications
• Print shops offering cost-effective short-run duplicating

Good to know

Store the cartridge in a cool, dry place away from direct sunlight. Unopened shelf life is approximately two years from the manufacturing date. The cartridge components are recyclable, supporting your environmental initiatives. For safety details, refer to the Material Safety Data Sheet (MSDS).