Epson SC-P8500D Series Hardware Setup Manual page 12

Hardware Setup Guide
2. Make sure that the authentication device case is attached to the top of the print head.
If it has been removed for maintenance, install it.
3. Connect the USB cable of the authentication device to the service port.
Caution:
!
If it is necessary to remove the authentication device case for maintenance and so on, disconnect the
authentication device cable before removing the case.
3. Authentication Device
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