A complete printing system. Developed by the experts in printing at Brother as part of a complete printing system. Long-lasting durability. Keeps your laser-quality prints looking crisp and professional with yields up to 50,000 pages. * *Approximate yield based on 3 pages per job (letter/A4 single-sided pages). The number of pages may be affected by a variety of factors including but not limited to media type and media size. Developed for Brother printers. Use with select Brother multifunction and all-in-one digital colour laser-quality printers.