Compatible with a wide range of Riso models including EZ200, 201, 220, 230, 231, 300, 301, 330, 370, 371, 390, 570, and 571 for versatile printing options. Generously sized at 1000ml to ensure use, reducing the frequency of cartridge replacements for uninterrupted printing. Designed specifically for Riso Type E ink, providing consistent and output for all your printing needs. Easy to install and replace, allowing for a hassle-free setup process and minimal downtime during printing tasks. Engineered with reliable ink flow technology to minimize clogs and ensure smooth in Riso printers.