Ricoh Sargas-PJ1 Field Service Manual page 138

7. Firmware Update
12. Press the "Power" key to turn on the projector, and the LAN FW update is completed.
If LAN firmware does not start
If updating does not start, the USB driver may not have been installed correctly.
Follow the steps below to re-install the USB driver.
1. Open the computer's Device Manager screen.
2. Right click on "Unknown Device", then click "Update Driver Software...".
3. Click "Browse my computer for driver software".
4. Click "Browse...".
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