5. Insert the SD card in Service Slot [A: Lower Slot].
MP C4504/C5504/C6004:
MP C3004/C3504:
6. Enter the SP mode.
7. Do SP5-846-051 (Backup All Addr Book).
8. Exit the SP mode, and then turn OFF the main power switch.
9. Remove the SD card form the SD card slot 2 (lower).
10. Install the SD slot cover.
• If the capacity of SD card is not enough to store the local user information, an error message is
displayed.
5. System Maintenance
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