The Original Kyocera TK-437 (1T02KH0US0) Black toner cartridge and included waste toner collector provides reliable high-quality laser prints with page yields up to 15,000 pages at 5% coverage.Using Genuine Kyocera TK-437 Black Toner means the highest quality prints!Bold and sharp text.Consistent performance. High quality printing. Professional graphics. Fast and reliable printing experience at the utmost quality. Safe for your printer.