- TOPRINT W1530X Toner Refill Kit, designed for compatible laser printers. - Includes 2 high-capacity black toner cartridges, each with a yield of up to 5000 pages (5% coverage on A4 paper). - Compatible with printers: 1504, 1504w, 2504, 2504dw, 1604, 1604w, 2604, 2604dw, 2604sdw, 2606dw. - Manufactured under strict ISO 9001 quality standards, ISO 14001 environmental management, and ROHS compliance. - Cartridges individually tested to ensure clear prints, without shadows or compatibility issues. - Efficient and economical solution for offices, businesses, and users who require high-volume printing.