Epson RC90 User Manual page 112

Maintenance 5. Firmware Update
(8) Firmware and data file transfer starts. It takes several minutes to complete.
NOTE

(9) The following dialog appears when transfer is completed. Click the <Next> button
(10) The following dialog appears after the Controller reboot. Click the <Finish> button.
The firmware upgrade is completed.
Start EPSON RC+ 7.0 and restore the Controller settings.
For details of restoring the operating system, refer to Maintenance 4. Backup and Restore.
96
Do not unplug the USB cable during transfer or turn OFF the Controller or the
development PC.
to reboot the Controller.
RC90 (EPSON RC+ 7.0) Rev.4