• During installation, do not switch the power OFF.
• Since the card is manufactured to high precision, do not store it in a hot or humid location, or in
direct sunlight.
• Do not bend the card, scratch it, or give it a strong shock.
• Before downloading firmware to an SD card, check whether write-protection of the SD card is
canceled. If write-protection is enabled, an error code (error code 44, etc.) will be displayed
during download, and the download will fail.
• Before updating firmware, remove the network cable from this machine.
• If SC818 is generated during software update, switch the power OFF -> ON, and complete the
update which was interrupted.
• During software update, disconnect network cables and interface cables, remove wireless boards,
etc., (so that they are not accessed during the update).
Preparation
• If the SD card is blank, copy the entire "romdata" folder onto the SD card.
• If the card already contains the "romdata" folder, copy the "D244" folder onto the card.
• If the card already contains folders up to "D244", copy the necessary firmware files (e.g.
D244xxxx.fwu) into this folder.
• Do not put multiple machine firmware programs on the same SD card. Copy the only model
firmware you want.
Update procedure
1. First download the new firmware to the SD card.
2. Turn OFF the main power.
3. Remove the SD card slot cover [A].
5. System Maintenance
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