bizhub 215 and bizhub 226 and Fax-Kit 510

[i-have-fax-problems]

Hello,

I have a bizhub 226 and a fax-kit fk 510 from a bizhub 215.
You know for both machines the fk 510 is correct fax module but it
has different article numbers and different firmwares for each machine.
If i mount the fk 510 from the bizhub 215 in the bizhub 226 only the hourglass occurs.
Has anyone managed it to write the firmware from the bizhub 226 Fax to the bizhub 215?
Is there any way?

Thank you