"UnsupportedProtocol" prints on paper when printing with DeviceHub in PitneyShip or PitneyShip Pro

If "UnsupportedProtocol" prints on the paper, it is because the printer driver is not compatible with DeviceHub.
Products affected: PitneyShip™, PitneyShip™ Pro


When printing with DeviceHub, "UnsupportedProtocol" prints on the paper.


The printer driver being used is not compatible with DeviceHub.


Solution 1: Install a different printer driver

Download and install the latest printer driver for your printer from the printer manufacturer's website.

Solution 2: Check compatible envelope printers or print to PDF

UPDATED: April 27, 2023