1. Turn on the printer


2. Put in the toner cartridge


3. Connect the computer to the printer via a USB cable


4. Double click on the file
 (1_Double Click.bat)

5. Wait for 3 minutes. If the printer restarts on its own, it indicates that the upgrade is complete

6. After the restart is completed

7. Double click on the file
 (2_Double Click.bat)

8. Wait for 1 minutes. If the printer restarts on its own, it indicates that the upgrade is complete


Attention: Do not power off during the upgrade process