1. Introducción
This manual provides essential information for the proper use and maintenance of your Sunmi V1 Handheld POS Terminal. The Sunmi V1 is a portable Android-based point-of-sale device featuring a 5.5-inch display and an integrated 58mm thermal printer. It is designed for commercial environments requiring efficient transaction processing and receipt printing.
Key features include a high-speed thermal printer capable of printing at 75mm/second, low noise operation, and energy efficiency. The device supports a 40mm roll diameter for thermal paper, allowing for printing of over 5000 orders on a full charge.
2. Producto terminadoview
The Sunmi V1 combines a handheld terminal with an integrated printer, offering a compact solution for various business needs.

Figura 2.1: Angular view of the Sunmi V1 Handheld POS Terminal, showcasing su diseño naranja y negro.

Figura 2.2: Frente view of the Sunmi V1, displaying the 5.5-inch screen with various application icons such as App Store, POS Steward, Updater, Debug Helper, Settings, and Cash Register.
2.1. Componentes principales

Figura 2.3: Explotó view illustrating the internal structure of the Sunmi V1, including the screen, main board, battery compartment, and thermal printer mechanism.

Figura 2.4: Lado view of the Sunmi V1, highlighting the SIM card slot, USB interface, microphone, and American Standard headset jack.

Figura 2.5: Lado view of the Sunmi V1, indicating the side key for quick scanning and the open printer compartment with a thermal paper roll inserted.
2.2. Características principales
- Integrated 58mm Thermal Printer: High-speed printing for receipts and orders.
- Sistema operativo Android: Provides a familiar and flexible platform for various POS applications.
- Pantalla de 5.5 pulgadas: Clear and responsive touchscreen for user interaction.
- Diseño portátil: Lightweight (450 Grams) and ergonomic for handheld use.
- Conectividad: Supports Wi-Fi and cellular networks (via SIM card slot) for seamless operation.
- Función de escaneo: Dedicated side key for quick scanning operations.
3. Configuración
3.1. Carga inicial
Before first use, fully charge the device using the provided power adapter. Connect the USB cable to the device's USB interface and the adapter to a power outlet. The charging indicator will typically show the charging status.
3.2. Inserting SIM Card (Optional)
- Localice la ranura de la tarjeta SIM en el costado del dispositivo (consulte la Figura 2.4).
- Abra con cuidado la tapa de la ranura de la tarjeta SIM.
- Insert the SIM card into the slot with the metal contacts facing down, ensuring it is correctly oriented.
- Cierre la tapa de la ranura de la tarjeta SIM de forma segura.
3.3. Carga de papel térmico
- Locate the printer compartment at the top of the device.
- Gently push the release latch or button to open the printer cover (refer to Figure 2.5).
- Insert a new roll of 58mm thermal paper into the compartment, ensuring the paper feeds from the bottom and the leading edge extends slightly out of the printer slot. The roll diameter should not exceed 40mm.
- Cierre la cubierta de la impresora firmemente hasta que encaje en su lugar.
3.4. Encendido / apagado
- Para encender: Mantenga presionado el botón de encendido (generalmente en el costado) hasta que la pantalla se ilumine.
- Para apagar: Mantenga presionado el botón de encendido hasta que aparezca el menú de apagado en la pantalla. Seleccione "Apagar" y confirme.
4. Instrucciones de funcionamiento
4.1. Navegación básica
The Sunmi V1 operates on an Android platform. Use the touchscreen for navigation, tapping icons to open applications, swiping to scroll, and using the on-screen navigation buttons (Back, Home, Recent Apps) at the bottom of the display.
4.2. Conexión a Wi-Fi
- From the home screen, swipe down from the top to access the quick settings panel, or go to Configuración > Red e Internet > Wi-Fi.
- Activa el Wi-Fi. El dispositivo buscará redes disponibles.

Figura 4.1: The Sunmi V1 screen displaying available Wi-Fi networks, with one network successfully connected.
- Seleccione la red deseada e ingrese la contraseña si se le solicita.
- Una vez conectado, el icono de Wi-Fi aparecerá en la barra de estado.
4.3. Using the Integrated Printer
The 58mm thermal printer is designed for quick and efficient receipt printing. When an application sends a print command, the printer will automatically activate. Ensure thermal paper is loaded correctly (refer to Section 3.3).
4.4. Using the Scanning Function
The Sunmi V1 features a side key for quick scanning. Depending on the application, pressing this key will activate the device's scanner to read barcodes or QR codes. Ensure the scanning application is open and ready to receive input.
5. Mantenimiento
5.1. Limpieza del dispositivo
- Utilice un paño suave, seco y sin pelusa para limpiar el exterior del dispositivo.
- For the screen, use a screen-specific cleaning solution and a microfiber cloth. Avoid harsh chemicals or abrasive materials.
- Regularly clean the printer head with a specialized thermal printer cleaning pen or isopropyl alcohol on a cotton swab to ensure optimal print quality.
5.2. Cuidado de la batería
- Evite exponer el dispositivo a temperaturas extremas.
- No permita que la batería se descargue completamente durante períodos prolongados.
- Utilice únicamente el cargador original o compatible certificado.
5.3. Entorno operativo
The optimal operating temperature for the Sunmi V1 is between 0°C and 40°C. Operating outside this range may affect performance and device longevity.
6. Solución de problemas
6.1. El dispositivo no se enciende
- Asegúrese de que la batería esté suficientemente cargada. Conecte el dispositivo al cargador y espere unos minutos antes de volver a encenderlo.
- Check if the power button is stuck or damaged.
6.2. La impresora no imprime
- Verify that thermal paper is loaded correctly and that the roll is not empty.
- Asegúrese de que la cubierta de la impresora esté bien cerrada.
- Check the application settings to confirm that the print command is being sent.
- Clean the printer head if print quality is poor or inconsistent.
6.3. Problemas de conectividad Wi-Fi
- Reinicie el dispositivo y su enrutador Wi-Fi.
- Asegúrese de estar dentro del alcance de la red Wi-Fi.
- Verifique que la contraseña de Wi-Fi esté ingresada correctamente.
- Intente conectarse a una red Wi-Fi diferente para aislar el problema.
6.4. La pantalla táctil no responde
- Reinicie el dispositivo.
- Asegúrese de que la pantalla esté limpia y libre de residuos o humedad.
- Si el problema persiste, póngase en contacto con el servicio de atención al cliente.
7. Especificaciones
| Característica | Descripción |
|---|---|
| Marca | Sunmi |
| Número de modelo | V1 |
| Tipo de controlador | Androide |
| Tamaño de la pantalla | 5.5 pulgadas |
| Tecnología de impresión | Térmico |
| Salida de impresora | Monocromo |
| Medios impresos | Etiquetas (Papel Térmico) |
| Diámetro del rollo de papel | Máximo 40 mm |
| Velocidad de impresión | 75 mm/segundo |
| Característica especial | Portátil |
| Color | Naranja |
| Peso del artículo | 450 gramos |
| Dispositivos compatibles | Smartphones (as a platform) |
| Interfaz de hardware | USB |
| Componentes incluidos | Thermal printer (device itself) |
| Temperatura de funcionamiento | 0 - 40 °C |
8. Garantía y soporte
For warranty information, please refer to the documentation provided at the time of purchase or contact your vendor. If you encounter issues that cannot be resolved using the troubleshooting guide, please contact Sunmi customer support or your authorized service provider for assistance.
Mantenga el recibo de compra y el número de serie del producto a mano cuando se comunique con el soporte técnico.