Default port number for Zebra Mobile Printers is 6101.

1. Click the “Start” button on your Windows desktop and select the “Control Panel” option.
2. Click “Devices and Printers.”
3. Right-click on the icon representing your printer and select “Properties.” Click the “Ports” tab.
4. Uncheck the port currently in use and check the box for the computer’s default printer connection.

Using the Start search, open ‘Drivers and Printers’. If your printer is listed under devices list, right-click it and select ‘Printer Properties’. Under the Properties window that opens, switch to the ‘Ports’ tab and look at the list of the ports and make sure the port type matches the connection, currently in use.

Ports Used for Printer Sharing

TCP 9100
Default Ports

How to Change a Printer Port on Windows

1. Goto Start and type Devices and Printers and press Enter.
2. Right click the printer you want to update and select Printer Properties.
3. In the window that opens click the Ports tab.
4. Click Add Port…
5. Select Standard TCP/IP Port and click New Port…
6. On the next page Click Next.

USB001. USB001 is the default printer port for USB printers and is the first port Windows selects when connecting a printer via the operating system’s Devices and Printers “Add a Printer” utility.

How to Fix Port in use, Please wait Error in Windows 10

1. Restart Computer & Printer.
2. Run Troubleshooter.
3. Set Correct Printer Port.
4. Update Printer Device Driver.
5. Reinstall Faulty USB Drivers.

Printing problems can be caused by cables that aren’t connected properly, problems with wireless adapters or settings, damaged or incompatible printer drivers, or missing updates. You may update the existing driver to the updated driver and check if this helps.