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Check Device Settings
Disable battery saver Allow all app permissions Keep screen ON during peak hours
Supported Printer Types
Bluetooth printers Wi-Fi printers LAN/Ethernet printers Sunmi & Epson recommended models
Photo Requirements
High resolution (1000×1000 recommended) Natural or soft lighting Clean background No watermarks or text
Switching Delivery Modes
This is configured in the dashboard under: Settings → Delivery Mode
Print a Test Receipt
Go to Printer Settings → Test Print If no print occurs, → restart printer and device.