This is usually a Bluetooth driver conflict. Ensure no other device is paired with the printer and that you are using the specific Bluetooth stack recommended in the manual.
offer centralized help desks with manual downloads and setup operation guides. How to Make the Software Work Hardware Connection : Plug in the USB Bluetooth modem ebs250 software download work
The EBS-250 HandJet is a legacy industrial marking device that relies on a specific Windows-based control program for message creation and transfer. While the hardware is robust, modern users often face challenges getting the "ebs250 software download" to work on contemporary operating systems. This is usually a Bluetooth driver conflict