If you're trying to generate a SCAN form using USPS Stamps.com, you may see an error like the one below. This error message usually refers to an invalid address in your Stamps.com account settings.
1. In ShipWorks, go to Manage > Shipping Settings.
2. On your "Shipping Settings" screen, select USPS.
3. Select your Stamps.com account and click "Edit".
4. Make sure that all address fields are entered correctly. When finished, click "OK".
5. Try to generate a SCAN form again.
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