Ryb (Relay Board) - Ricoh MP 7503SP Field Service Manual

4. Replacement and Adjustment
10. Connect the machine to its power source, and then turn the machine on.
11. Open SP5131, and then select your location.
12. Enter the ID number for the new NVRAM.
• This is not the same number entered for the NVRAM with SP5811-04 (Machine Serial
Number Set – Set BCU).
• Contact your supervisor for instructions on how to procure and enter this number. If this
number is not entered correctly, the machine will return SC195-00 or display "Fusing Unit
Setting Error."
13. Cycle the machine off/on.
14. Insert into SD Card Slot 2 the SD card with the data you copied earlier with SP5824, and then do
SP5825 (NVRAM Download) to download (copy) the data to the new NVRAM.
15. Turn the machine off and remove the SD card from SD Card Slot 2.
16. Turn the machine on.
17. Do the User Tools and SP code settings as needed.
18. Cycle the machine off/on to enable the settings.

RYB (Relay Board)

1. Remove both rear covers. page 482
2. Open the controller box. page 490
3. The RYB (Relay Board) is below the controller box.
4. Disconnect the board.
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