1. Remove the printer cartridge. Color printers have black ink cartridges and color ink cartridges, while black-and-white printers only have black ink cartridges.
2. Tear off the label of the ink cartridge and stick it on one side or the other side of the ink cartridge. We can see that there are five small holes on the ink cartridge cover. This is a red, yellow and blue ink cartridge with corresponding colors as shown in the figure. Any hole in the black ink cartridge can be refill kit.
3, open the ink, insert the syringe into the ink to extract ink, about 3ml of ink.
4. Extract ink according to the corresponding color and add it to the ink cartridge. Note that different syringes are used for minutes of ink and cannot be mixed. Insert the syringe into the sponge of the ink cartridge shallowly, and slowly inject ink, so that the sponge can be completely absorbed, so that it is not easy to add it again, otherwise it will leak ink.
5. After the injection is completed, stick different pieces of paper on the syringe, indicating the use color to prevent future mixing. I used different colors of tape.
6. Stick the ink cartridge label back to its original place, and be careful not to cover the air leakage hole, as shown by the black circle in the figure.
7. Finally, put the ink cartridge back into the printer and you can use it. If the ink cartridge has not been used for a long time, please add ink and leave it for 1 hour before using it.
The above is the filling method of office equipment printer ink cartridge. I hope it helps.