Help-ricoh rw7040 to rw7060 upgrade problem



i changed my rw7040a to a mp7040a then i changed it to a mp7060a using a program called atammp3 ,now it burns coasters

i backed up my original firmware(rw7040a)but of course now it thinks its a mp7060a and wont rflash

can anyone please help me restore my original firmware