Estoy intentando imprimir desde Android con flutter en una impresora DPP 250 y no hay forma. He intentado utilizar una herramienta de test, pero tras enviar una impresión la luz de bluetooth parpadea pero no imprime nada ??? Alguien me puede ayudar con este tema?
For the last couple of weeks I have been playing with an 80mm Bluetooth ESC/POS thermal printer I bought off eBay, new and delivered, for the ludicrously cheap price of £20. While the print quality, particularly of images with large areas of black (they are gray due to power supply or thermal...