Nvram Replacement Procedure; Nvram On The Bcu - Ricoh Aficio SP C440DN Field Service Manual

2. DC switch board [A] ( x 1,

NVRAM Replacement Procedure

There are three NVRAMs. Two are on the controller board, and one is on the BCU.
• Always touch a metal surface before handling an NVRAM. Static electricity from your hands can
damage an NVRAM.

NVRAM on the BCU

1. Make sure that you have the SMC report (factory settings). This report comes with the
machine.
2. Output the SMC data (SP5-990-001) if possible.
3. Turn the main switch off.
4. Install an SD card into SD card slot 2. Then turn the main power on.
5. Copy the NVRAM data to an SD card (SP5-824-001) if possible.
6. Turn off the main switch. Then unplug the power cord.
7. Replace the NVRAM on the BCU and reassemble the machine.
8. Plug in the power cord. Then turn the main switch on.
9. SC195 occurs.
10. Specify the serial number and destination code of the machine.
• Contact your supervisor for details on how to enter the serial number and destination code.
x 1)
Electrical Components
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