5.System Maintenance
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• Before updating the firmware, disconnect the network cable from the machine.
• If SC818 is generated during the software update, switch the power OFF -> ON, and complete
the update which was interrupted.
• During software update, remove interface cables, network cables, wireless boards, etc., (so
that they are not accessed during the update).
1. First, download the software to be updated to the SD card.
2. Turn OFF the main power.
3. Remove the controller cover. (Controller Cover)
Insert the SD card [A] straight in the SD Card Slot 2 (lower).
• If the customer has used all of the slots, you have to keep an empty slot for this
procedure. Ask the customer to temporarily remove the SD card in SD Card Slot 2.
• Check whether the card is properly in the SD Card Slot. When an SD card is inserted, a
click is heard, and it is locked.
• To remove the card, release by pressing once in the set state.
4. Turn ON the main power.
5. Wait until a firmware name is shown on the display (about 1 minute).
• The firmware name is read from inside the firmware. The firmware name is not changed
even if you change the file name on your PC.
6. If the necessary firmware name is shown on the display, check the firmware version with the left-
arrow or right-arrow keys. Pressing the left or right-arrow key shows the firmware name, version,
and serial number in order.
7. To use a different firmware file, push the up-arrow key or the down-arrow key to find the necessary
file.
8. To select the firmware, push the OK key. Make sure that the selected firmware is highlighted.
9. If you update more than one firmware program at the same time, find each of them and select each
of them. Make sure that the selected firmware is highlighted.
10. To start the firmware update, push the "UpDate" key. While each firmware is downloaded, the
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