To get your money refunded, you’ll need to take the affected mail pieces to your local Post Office that handles your company’s mail and fill out a Form 3533 – Application and Voucher for Refund of Postage and Fees – within 60 days of the metered date. Detailed instructions.
Your mail machine captures the date a new ink cartridge was installed. You can identify this date by following these simple instructions
The USPS requires your meter communicate with the server at least once every three months. If it does not, an “PSD Locked” error message will display on your meter and you will be unable to print postage. How To Clear a PSD Lockout.