You can add postage to your machine as long as you have enough funds in your Postage by Phone account.
Checking Your Account Balance in the Postage By Phone® System
Adding Postage to your DM50 series
You can add postage to your DM50 series Monday to Saturday 8.00am to 8.00pm, as long as you have enough funds in your Postage By Phone® Account.
EITHER
Insert an envelope/tape sheet into the DM50 Series to print a receipt
OR
Simply press no to return to the Home Screen without printing a receipt.