The steps of cleaning the printer nozzle with Macbook are as follows:
1. Open the Apple menu. Click on the Apple logo in the upper left corner of the screen to open the drop-down menu, as shown.
2. click system preferences, as shown.
3. click printers and scanners, as shown.
4. select a printer. On the left side of the window, click the printer where you want to run the self-cleaning program, as shown in the figure.
5. click options and supplies, as shown.
6. click the utility, as shown.
7. Click to open the printer utility, as shown.
8. select the "clean" option, as shown in the figure. In this way, the printer nozzle can be cleaned automatically.