Compatible Printer Models: Xerox Workcentre 7830 7835 7845 7855 7970 7525 7530 7535 7545 7556 Printer. Part# 006R01513 006R01514 006R01515 006R01516. Extra High Page Yield: Achieve up to 26,000 pages per Black toner cartridge and up to 15,000 pages per other color toner cartridge at 5%~10% coverage. Unparalleled Print Quality: Our toner cartridges feature advanced toner technology that produces sharp lines, fine details, and smooth gradations for professional-grade prints, showcasing every intricate element of documents and graphics. Rigorously Tested and Certified: Our toner cartridges have undergone strict performance, printing consistency, and durability tests and have obtained ISO-9001, ISO-14001, and other certifications. After sales service: We provide 24 hours after-sales service, you can contact us immediately if you encounter any problems, we will solve your problems at the first time.