Ricoh Sargas-PJ1 Field Service Manual page 136

7. Firmware Update
3. Press the [Up] and [Power] keys for 6 seconds.
4. Release the keys when you see that the LED is flashing.
5. Connect the USB cable between the PC and the projector
6. The USB driver will be installed on the PC.
7. Open the LAN firmware update program folder.
Select "x32" if the computer's operating system is 32-bit or "x64" if it is 64-bit.
(The folder names may differ from those shown below.)
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