You need to check the printer port in the system settings. To view the printer port, follow these steps:

1. Step 1, click the gear icon in the computer system start menu. As shown in the figure below:

2. Next, in the computer settings, click Device Options. As shown in the figure below:

3. Then, select the printer and scanner options. As shown in the figure below:

4. Next, select the printer you want to view, and then click Manage. As shown in the figure below:

5. After that, click the port in the pop-up page. As shown in the figure below:

6. Finally, you can view the printer port on the port page. As shown in the figure below: