If you get an error on Xerox stating it is in non-customer mode. Follow below steps to resolved.
This Works for 78xx + 75xx (possibly all devices).
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RESOLUTION:
Login to Diagnostics mode (Hold down 0 for 4-6 secs) and press Start
Passcode 6789 and press enter
Machine status
Tools
Maintenance/Diagnostics
Common settings
NVM Read/Write
Enter 616-014
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It will most likely be set to 0.
Set to 2 first, reboot and enter pagepack pin and run setup again.
**If this does not work, do the same but use 4.