1. Introducción
Thank you for choosing the Symcode MJ-2090-CCD Embedded Mini Barcode Scanner. This device is designed for efficient and reliable barcode scanning, capable of reading barcodes from various surfaces, including mobile phone and computer screens. Its compact size and plug-and-play functionality make it ideal for integration into various systems such as kiosks, lockers, and point-of-sale equipment. This manual provides essential information for setting up, operating, and maintaining your barcode scanner.
2. Producto terminadoview
2.1 Características principales
- Screen Scanning Capability: Reads barcodes directly from mobile phone and computer screens.
- Conectar y usar: Easy integration with end devices via USB, requiring no additional driver installation.
- Automatic Induction Trigger: Scans codes automatically without the need to press a trigger button.
- Emulación de teclado: Functions as a keyboard device to input barcode characters directly.
- Amplia compatibilidad: Supports a broad range of 1D barcode types including Code128, EAN-13, EAN-8, Code39, UPC-A, UPC-E, Codabar, Interleaved 2 of 5, ISBN, Code 93, UCC/EAN-128, GS1 Databar, and more.
- Visual and Audible Indicators: Features a siren and LED light for scan confirmation.
2.2 Contenido del paquete
Al desembalar, asegúrese de que todos los artículos estén presentes y en buenas condiciones:
- 1 x Symcode MJ-2090-CCD Barcode Scanner Unit
- 1 x cable USB
- 1 x Manual de usuario

Image: Package contents including the scanner unit, USB cable, and user guide.
3. Configuración
The Symcode MJ-2090-CCD barcode scanner is designed for simple plug-and-play operation. Follow these steps to set up your device:
- Conecte el cable USB: Insert the smaller end of the provided USB cable into the USB port on the barcode scanner.
- Conectarse al dispositivo host: Plug the standard USB-A end of the cable into an available USB port on your computer, kiosk, or other compatible host device.
- Reconocimiento del sistema: Your operating system should automatically detect and install the necessary drivers. The scanner will be recognized as a standard keyboard input device.
- Listo para usar: Once the LED indicator on the scanner illuminates and/or a confirmation sound is heard, the scanner is ready to operate.

Image: The barcode scanner connected to a computer via its USB cable, demonstrating the plug-and-play setup.
4. Instrucciones de funcionamiento
The MJ-2090-CCD scanner features an automatic induction trigger, simplifying the scanning process.
4.1 Escaneo básico
- Ensure the scanner is properly connected to your host device and powered on.
- Position the barcode within the scanner's reading window. The scanner will automatically detect the barcode and emit a red light to scan it.
- Upon successful scan, the scanner will emit an audible beep and the LED indicator will flash, and the barcode data will be transmitted to your host device as if typed via a keyboard.
4.2 Escaneo desde pantallas
This scanner is optimized to read barcodes displayed on digital screens, such as mobile phones and computer monitors. Simply present the screen with the barcode to the scanner's window.

Image: The barcode scanner actively scanning a barcode displayed on a mobile phone screen.
4.3 Escenarios de aplicación
The compact and embedded design of the MJ-2090-CCD makes it suitable for various applications:
- Quioscos: For self-service checkouts, information terminals, or ticket vending.
- Lockers: For package retrieval or secure storage systems.
- Point-of-Sale (POS) Systems: Integrated into cash registers or payment terminals.
- Control de acceso: For scanning ID badges or tickets.

Imagen: Examples of the embedded barcode scanner used in different environments, including self-service kiosks and automated locker systems.

Image: The scanner demonstrating its ability to automatically read different barcode formats such as Code 39, Code 93, and Code 128.
5. Mantenimiento
Un mantenimiento adecuado garantiza la longevidad y el rendimiento óptimo de su escáner de código de barras.
- Limpieza de la ventana de escaneo: Regularly clean the scanner's optical window with a soft, lint-free cloth. For stubborn dirt, lightly dampen the cloth with water or a mild, non-abrasive cleaner. Avoid harsh chemicals or abrasive materials that could scratch the surface.
- Limpieza general: Limpie el exterior del escáner con un paño suave y seco para eliminar el polvo y los residuos.
- Condiciones ambientales: Operate and store the scanner within the specified temperature and humidity ranges to prevent damage. Avoid exposure to extreme temperatures, direct sunlight, or high moisture.
- Cuidado de cables: Handle the USB cable gently. Avoid bending, twisting, or pulling the cable excessively, which can damage the internal wires.
6. Solución de problemas
If you encounter issues with your Symcode MJ-2090-CCD barcode scanner, refer to the following common problems and solutions:
| Problema | Posible causa | Solución |
|---|---|---|
| El escáner no se enciende ni responde. | Loose USB connection; No power from USB port; Damaged cable. | Ensure USB cable is securely connected to both scanner and host device. Try a different USB port or host device. Inspect the cable for damage. |
| El escáner no lee códigos de barras. | Barcode is damaged or poorly printed; Incorrect scanning angle/distance; Scanner window is dirty; Unsupported barcode type. | Ensure barcode is clear and undamaged. Adjust scanning angle and distance. Clean the scanner window. Verify the barcode type is supported (refer to specifications). |
| Los datos del código de barras son incorrectos o incompletos. | Partial scan; Host device input error. | Ensure the entire barcode is within the scan area. Check if other applications are interfering with keyboard input on the host device. |
| Scanner reads too slowly or intermittently. | Environmental interference; Host device performance. | Minimize strong light sources or reflective surfaces near the scanner. Ensure the host device is not under heavy load. |
If the problem persists after attempting these solutions, please contact Symcode customer support for further assistance.
7. Especificaciones
Below are the technical specifications for the Symcode MJ-2090-CCD Barcode Scanner:

Image: The Symcode MJ-2090-CCD barcode scanner with its physical dimensions (70mm/2.7in height, 20mm/2in width, 22mm/0.9in depth) clearly indicated.
| Característica | Detalle |
|---|---|
| Número de modelo | MJ-2090-CCD |
| Dimensiones (L x An x Al) | 70 mm x 20 mm x 22 mm (2.7 pulgadas x 2 pulgadas x 0.9 pulgadas) |
| Peso | 110 gramos |
| Fuente de luz | 650nm~670nm Visible Red Light Diode |
| Velocidad de escaneo | 100 escaneos/seg |
| Precisión de lectura | 0.1 mm (4 milésimas de pulgada) |
| Contraste de impresión | 30% mínimo |
| Profundidad de campo | 0~600 mm (0.33 mm, piezas 90%) |
| Alcance de escaneo | 10 mm ~ 250 mm |
| Distancia de lectura | 2.5~600 mm (100 % UPC/EAN) |
| Capacidades de decodificación | EAN-8/13, UPC-A/E, Code 39/93/128, EAN-128, Codabar, Industrial 2 of 5, Interleave 2 of 5, Matrix 2 of 5, MSI, ISBN, GS1 Databar, etc. |
| Tasa de error de bits | 1 / 5 millones |
| Actual | 85 mA (en funcionamiento), 36 mA (almacenamiento) |
| Interfaz | USB |
| Temperatura de funcionamiento | 0℃~45℃ |
| Temperatura de almacenamiento | -20℃~60℃ |
| Humedad | 5%~95% sin condensación |
| Material | ABS + PC |
| Dispositivos compatibles | Laptop (and other USB host devices) |
| Fuente de poder | Con cable (USB) |
| Vol de funcionamientotage | 3.7 voltios |
8. Garantía y soporte
Symcode products are manufactured to high-quality standards. For warranty information, technical support, or service inquiries, please refer to the contact information provided with your purchase or visit the official Symcode webSitio web. Conserve su comprobante de compra para reclamaciones de garantía.