I gave it a try

https://postimg.cc/8FbGsJbB

https://postimg.cc/gxFbDqSH

https://postimg.cc/34bPDg0p

https://postimg.cc/4nD0k46J

https://postimg.cc/zbLx643b

I still have half a dozen older 2019 Mrimgs that we could
try if you wanted to. I wish there was a way to tell if they
were good or not without going through the process.

I'm now also thinking how messed up the 8500 might be
but one thing at a time. It might be OK.

Robert