Firmware Update
C279 6-2 SM
6.1.2 BEFORE YOU BEGIN
An SD card is a precision device. Always observe the following precautions when you handle SD
cards:
Always switch the machine off before you insert an SD card. Never insert the SD card into the
slot with the power on.
Do not remove the SD card from the slot after the power has been switched on.
Never switch the machine off while the firmware is downloading from the SD card.
Keep SD cards in a safe location where they are not exposed to high temperature, high
humidity, or exposure to direct sunlight.
Always handle SD cards with care. Do not bend or scratch them. Do not let the SD card get
exposed to shock or vibration.
Make sure that the write protection of an SD card is unlocked when you download an
application to it.
Keep the following points in mind when you use the firmware update software:
“Download” means to send data from the SD card to the machine.
Make sure that the machine is disconnected from the network to prevent a print job for
arriving while the firmware update is in progress before you start the firmware update
procedure.
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