1. Prepare an iron clip for holding paper, a clean syringe (cut the needle into 1cm length), a bottle of good ink and some papers with good water absorption.
2. Take out the ink cartridge, and be careful not to touch the chip on the side and the nozzle below.
3. Clamp both sides of the ink cartridge with iron shelves (to prevent contact with the chip and nozzle).
4. Inhale 3ml of ink waste gas with a syringe for later use.
5. Remove the adhesive from the top.
6. Insert the needle into the ink injection hole and gently push the ink into the ink cartridge, not too fast, it will overflow soon, and it should be sucked dry with absorbent paper in time.
7. If it is colored ink, thoroughly clean the syringe or replace it with a new one, and repeat step 456.
8. Put the self-adhesive sticker removed from the top back to its original position and smooth it gently. Note: The shallow wormlike groove at the top is for ventilation. There must be a gap between the edge and the lower part of the sticker. Don't press the sticker too hard.
9. Reinstall the ink cartridge, print the test, ok!
The ink level indicator of 10 ink cartridge has not changed, has it? This is a common problem of HP. The problem of 8 18 ink cartridge has not been solved by the majority of netizens, and it will become a hidden danger in the future, but don't worry now, wait for the lights to flash wildly!
Strictly follow the above steps, theoretically, your ink cartridge will be used until the end of the nozzle life. If the ink cartridge is not used in the printer for a long time, the ink in the ink cartridge will dry up and the nozzle will basically be blocked. You can clean the nozzle with alcohol, but it is not recommended to use other ink cartridges.