"Barcode invalid" error on the SendPro C Lite, SendPro C, SendPro+, SendPro C Auto
If you see the error "Barcode invalid" when sending Electronic Certified Mail, ensure you are using the latest PS form 3800.
Products affected: SendPro® C Lite, SendPro® C, SendPro®+, SendPro® C Auto (2H00, 8H00, 9H00)
Issue
"Barcode invalid" appears when you scan USPS PS Form 3800 for Electronic Certified Mail.
Cause
The label's barcode is outdated. Older barcodes that start with 92 will not work.
Resolution
Use a PS Form 3800 with a barcode that starts with 94.
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UPDATED: August 14, 2021
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