What is an Inspection Due or Inspection Required message and what do I do to clear it on my E700 postage meter?

INSPECTION DUE-REFILL REQUIRED

No refill has been performed for 90 days.
Press Refill. If you do not want to add funds at this time, set the refill amount to $0.00.

 

INSPECTION REQUIRED-REFILL

No refill has been performed for 120 days.
The refill procedure must be performed in order for the postage meter to print postage. Press Refill. If you do not want to add funds at this time, set the refill amount to $0.00.