5.System Maintenance 
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3.  Read the cautionary statements, and then click [OK]. 
 
4.  Click [Firmware Update (USB)] [A]. 
 
Make sure that you keep the power of the machine turned on. 
Wait until the Home screen (touch panel models) or “Ready” (four-line LCD models) appears on the 
machine’s control panel. 
 
 
5.  When the Home screen (touch panel models) or “Ready” (four-line LCD models) appeared, click 
[Firmware Update (USB)] again. 
6.  Wait until the update completion message "Restart machine..." appears on the machine’s control 
panel. 
7.  Click [Close] to close the update tool. 
8.  Wait until the machine restarts. The machine performs initialization after restarting.