LT200B-gui
August 6, 2025 ยท View on GitHub
Python-based (CustomTkinter) GUI to print labels on the Dymo LetraTag LT200B. The Dymo LetraTag 200B is a Bluetooth label printer that comes with an iOS and Android app. The app only allows you to print text using a couple of installed fonts. This Python app aims to provide a relatively user friendly experience on the Desktop to print text and image labels from your computer.
Features
- Allows printing labels on a Dymo LT200B printer from desktops (mostly tested in Linux)
- Scanning functionality to scan for your printer
- Both text labels and images are supported
Usage
From the source
It is recommended to use a Virtual Environment when using this script from the source.
Instruction for Linux/Mac/WSL (only tested on Linux)
python -m venv lt200b_venv
Activate the Virtual Environment
source lt200b_venv/bin/activate
Install the requirements
pip install -r requirements.txt
Run the script
python main.py
Release version
Currently available for Linux and Windows.
Linux
Unzip the file.
chmod +x LT200B
Run the executable
Windows
Unzip the file. Run the executable.
Screenshots

Acknowledgements
Alexander Horn for his LT200B Python repository. His code has been used as a base here, I've just wrapped it in a GUI and added the scanning functionality.