Ricoh MP C307

3.System Maintenance
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3. Select “apply update from sdcard” in the “Android system recovery” screen, and then press the
[EX3] key.
4. The contents of the SD card is displayed. Select “part number + suffix.zip” with the [EX1] or
[EX2] key, and then press the [EX3] key.
Example: “D1961400A.zip”
5. The installation screen is displayed.