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6.5.21 Firmware download failure
Firmware
download failure
Insert the system USB to USB slot then turn on printer
Internal communication
error occurred?
Download is restart?
Download is complete
properly?
End
Yes
No
No
Yes
No
Yes
Do the system reset by rescue soft
Download is complete
Replace the EZJ126 board.
6-77
No
properly?
Yes
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Troubleshooting
