To remove a printer that is no longer needed navigate to printers and scanners. Click on the start button, open Settings, then navigate to Devices > Printers and Scanners
Select the device you wish to remove. Hit Remove Device
To add a new printer, go to start and type in \\ps2
A window will open with printers. Double click the one you want to add.
You'll know it's complete when a small window opens showing the printer's job queue.