To modify the printer port, follow these steps:
1. Open the "Control Panel" and enter the "Devices and Printers" interface.
2. Locate the printer you want to modify, and right-click Printer Properties.
3. In the pop-up window, click the Port tab.
4. In the Port tab, find the port connected to the printer, track its status and write down its name.
5. In the Ports tab, select the correct port, and then click the Apply or OK button.
6. After completing the above steps, re-test whether the printer works normally to ensure that the modification takes effect.
Please note that different printers may have different port setting methods. If you can't complete the above steps, you can refer to the instruction manual of the printer or contact after-sales customer service for help.
In a word, the change of printer port is a common problem, which needs to be modified in time to ensure the normal work of the printer. Correct operation methods can improve work efficiency and print quality, and also avoid potential equipment damage.