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Open Settings.
Go to Devices → Printers & scanners.
Click the Add a printer or scanner button. Allow the computer a minute to scan for printers.
Click on the link for The printer that I want isn’t listed.
Select Add a printer using an IP address or hostname, then click the Next button.
For Device type: select TCP/IP Device.
For Hostname or IP address: enter
172.18.3.126
.