Ink bottle fortune telling _ Where is the ink bottle?

1. Prepare tools and materials and clean tools.

2. Before operation, please make sure that the electrocardiograph is turned off to avoid accidental electric shock.

3. According to the design of ECG machine, find and open the door of ink box or ink box.

4. Use a special ink bottle or syringe to add a proper amount of ink to the ink box or ink box.

5. Gently close the door of the ink cartridge or ink box to ensure that it is closed tightly.

6. Restart the ECG machine and check whether it works normally.