I am getting an error message "the default key is corrupted or invalid" on my screen. The main controller was removed and put in another copier because it had no screen and then I sent out the defective main controller for repair and now the message. I am pretty sure it is the license key it is referring to. Both main controllers have universal send and am wondering if it is now disabled on both copiers. What do I need to do for this error? Do I exchange the boards back to their respective copiers?
Thanks in advance for your help.
Thanks in advance for your help.
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