Electrical Components
G133 3-114 SM
3.13.14 NVRAM REPLACEMENT PROCEDURE
NVRAM on the EGB
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 the SD card slot 3. Then turn the main power on.
5. Copy the NVRAM data to the SD card ( SP5-824-001) if possible.
6. Turn off the main switch. Then unplug the power cord.
7. Replace the NVRAM on the EGB and reassemble the machine.
8. Plug in the power cord. Then turn the main switch on.
9. Select a paper-size type ( SP5-131-001).
10. Specify the device number and destination code of the machine.
Contact your supervisor for details on how to enter the device number and
destination code.
SC 999 or “Fusing Unit Setting Error” can be shown until the device number
and destination code are correctly programmed.
11. Turn the main switch off and on.
12. Copy the data from the SD card to the NVRAM ( SP5-825-001) if you have
successfully copied them to the SD card.
13. Turn the main switch off. Then remove the SD card from the SD card slot 3.
14. Turn the main switch on.
15. Specify the SP and UP mode settings.
16. Do the process control self-check.
17. Do ACC for the printer application program.
When installing a new NVRAM, refer to "When installing a new NVRAM".
NVRAM on the Controller
If you change the NVRAM in the controller, and the Data Overwrite Security unit is
installed, this Data Overwrite Security unit must be replaced with a new one.
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.
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