Firmware upgrade procedure
1. Make sure printer is turned on.
2. Download the appropriate .bin file and save in a folder on the computer.
3. Open the printer control panel.
4. Select the appropriate Printer.
5. Right mouse-click on the printer, select Properties.
6. Select Device Settings tab.
7. Select F/W Download...
8. Select the Properties button.
9. Select "Select File" button.
10. Browse to the directory where the .bin file is located.
11. Select the .bin file, Open.
12. Select Start Firmware Download.
13. Wait for "Firmware Downloaded Successfully..." message.
14. Select Close/OK. Repeat steps 4-6. And check the new firmware version under "Printer Model/Firmware Ver.".