Based on this product's specifications, here are some alternatives and similar models
Power Adapter Datamax O'Neil 220282-000
Summary description:
The Datamax O'Neil 220282-000 power adapter is designed for indoor use with label printers. It provides a reliable DC power supply, ensuring optimal performance. The adapter is CE and FCC certified, ensuring safety and compliance. Its sleek black design fits well in any environment. Each pack contains one unit, making it a convenient choice for your printing needs.