ZT411/ZT421: Forced Firmware Mode

Procedure: 

To enter Forced Download, follow these steps below:

1. Power off the printer.
2. Press and hold all three buttons.
3. Power on the printer, holding the buttons until the Forced Download indicator appears.

On a ZT4x1, the Forced Download indicator is a display screen that shows that the printer is in Forced Download mode.


Helpful Information: 

• Support and Downloads: ZT411 Industrial Printer
• Support and Downloads: ZT421 Industrial Printer