Feature:1. The toner cartridge is easy to add toner, and it can be printed in multiple cycles, and the toner can be added 3‑5 times.2. The ink is evenly and sufficient, the printing is clear and delicate, and it is glossy without clogging.3. The printing effect is long‑lasting, will not be blurred when exposed to water, and will not fade after repeated application.4. The shell is made of ABS material, which is hard and corrosion‑resistant, environmentally friendly and does not damage the printer.5. Easy to use and replace, suitable for MPC3300/5502/2011/3503/5503 and other models.How to Use:1. First, prepare the powder adding tool and the corresponding type of toner.2. Then carefully remove the toner cartridge of the printer.3. Open the waste toner port and shake the toner cartridge to clean up the waste toner in the toner cartridge. After cleaning, close the waste toner port.4. Open the powder filling port of the toner cartridge, and place a small funnel on the powder filling port, and then slowly pour the toner into it, which can be added according to the usage.5. After adding the toner, close the filling port and shake the toner cartridge left and right by hand to make the toner evenly distributed in the toner cartridge to ensure the pr