6 usb uninstallation, 6. usb uninstallation – Century Systems CFD-4306 User Manual
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5. The USB device is built on the serial port,
therefore make sure the interface setting is 
specified to the assigned port. 
6. Go to Control Panel\System\Device Manager
and the USB port will be listed under Ports 
(COM & LPT). The example from the right 
hand side indicates that the USB Serial Port 
is COM3. 
7. After the USB driver is installed, the USB
device can be used through software (such 
as QLabel III or Century Systems drivers) to 
print labels. 
 
 
 
 
 
2-6. USB Uninstallation
To remove the USB driver, open “USB Driver” folder 
and execute the “Ftdiunin” program, the message box 
on the right hand side will appear. Click “Continue” to 
remove the USB driver. 
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