The Apple IIe software v2.0 was only tested using system software version
6.0.8. There is no known reason for the Apple IIe Card v2.0 software to
fail using version 6.0.7. However, Apple cannot stand behind the use of
version 6.0.7 due to the lack of testing.
Whatever configuration you decide on, the print driver versions must be the
same on all systems. Otherwise, there will be driver conflicts when the
printers are used.