5 Update Firmware
8. Click Send to send the firmware files to your printer. During the transmission,
LED 1 blinks green. In the Download Firmware dialog box, the message shows
the file your printer is downloading, and the progress bar indicates the
progress of downloading.
9. When the data transmission is complete, your printer starts to update its
firmware. During the update, LED 2 turns to red and orange alternatively,
while LED 1 turns to solid green. In the Download Firmware dialog box, the
message shows that your printer is updating the firmware.
Update Firmware in SATO WS4 Printer Utility
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