Can it be it's a Mesada 3520? Look at unit's platine...
I'm wondering why you don't contact the manufacturer of device's mainboard: . Ask them for firmware that relates to
ID:4D480000-0000C13C-32B72510-16690C2A
VER:7008AA31-7000811010263-100921077P3M2
because all other stuff isn't important for them.
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