Matshita UJ-840D

can somebody help me get UJ-840D RPC1 firmware?
i got a usb Matshita UJ-840D with 1.0 firmware

i want to be able to dump or get firmware which is patched to flash update my USB Matshita UJ-840D drive

Welcome to MyCE :flower:
I have a feeling that drive is unfortunately one of the poorest-supported from yesteryear (see here).
Is there a specific aim for reflashing your drive?