MICR Toner Secure Cartridge provides a level of quality to meet or exceed the highest printing standards in your Troy M607, M608 and M609 printers. To help prevent fraudulent alteration of documents, the patented security agent forces a bright red stain to permeate through the document if chemical alteration is attempted. Unique manufacturing and testing process results in a toner that is precision-matched for each unit helping to maintain optimum performance of your laser printer. Produced with the tightest tolerances, this cartridge consistently meets or exceeds the yield of OEM cartridges for a low operating cost. It coordinates with part number: CF237A. Standard-yield cartridge yields approximately 11,000 pages with 5 percent coverage.MICR Toner Secure Cartridge provides a level of quality to meet or exceed the highest printing standards in your Troy M607, M608 and M609 printers. To help prevent fraudulent alteration of documents, the patented security agent forces a bright red stain to permeate through the document if chemical alteration is attempted. Unique manufacturing and testing process results in a toner that is precision-matched for each unit helping to maintain optimum performance of your laser printer. Produced with the tightest tolerances, this cartridge consistently meets or exceeds the yield of OEM cartridges for a low operating cost. It coordinates with part number: CF237A. Standard-yield cartridge yields approximately 11,000 pages with 5 percent coverage.