This is a brand - new Brother Mfc - J6510Dw high - yield black ink. Ideal for high - volume printing, it offers a yield of 600 pages. Brother is a well - known and reliable brand in the printing industry, ensuring great quality and performance.

Using this Brother Mfc - J6510Dw high - yield black ink is easy. First, make sure your printer is turned on and in standby mode. Open the printer's ink cartridge compartment, remove the old cartridge if there is one, and then insert the new high - yield black ink cartridge carefully until it clicks into place. Close the compartment. When it comes to maintenance, keep the ink cartridges in a cool and dry place. If you don't use the printer for a long time, it's a good idea to print a test page every once in a while to prevent the ink from drying up. Also, always handle the cartridges gently to avoid any damage.