Signlab and Mutoh 64 bit drivers????

Just bought a new computer with Vista (64bit) system. I am currently running signlab v7.1 which runs on the machine, but I cannot send any prints to the printer. The program acts as if it is sending a job (like my old computer) but it seems as if the printer can't accept it.

Is there a special driver to use with vista for the Mutoh printers? I installed the printer from the software from signlab, but I am sure that the driver on that disk is for an older 32 bit system. Again, it seems as if everything else is working right.
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