Hi all,
I have no idea why you would want to make CMYK 100 a spot color nor why after doing that you'd want to then convert back to CMYK.
Try to explain your work flow please. Are you printing spot color 9r CMYK?
drive.google.com/.../1F7PJhK0Wz-EwY2FVL9_NCPFY387mrVt1
We take 1st CMYK colour print in Ricoh. After We print foil & overprint varnish.