1. Introducción
This manual provides comprehensive instructions for the operation and maintenance of your Symcode MJ-2023 Upgraded 2D Industrial Barcode Scanner. Please read this manual thoroughly before use to ensure proper functionality and to maximize the lifespan of your device.
Características principales:
- Unique Designed Screen: 1.9-inch TFT Color LCD Screen displays barcode content, type, number, length, battery power, and transmission status in real-time.
- Switchable Storage Modes: Easily toggle between Storage mode (stores up to 10,000 codes for later upload) and Normal mode (direct transmission to PC).
- High-Resolution Industrial Scan Engine: Equipped with a 1-megapixel optical lens for swift and accurate reading of various printed and screen-displayed barcodes, even if damaged or poorly printed.
- Exceptional Signal Range: 433MHz RF wireless transmission up to 1968 feet (600 meters) in unobstructed environments and 656 feet (200 meters) with obstacles.
- Carga inalámbrica: Convenient wireless charging by placing the scanner on its stand.
- Amplia compatibilidad: Compatible with Windows, Mac OS, iOS, Android, and software like QuickBooks, Word, Excel.
- Diseño duradero: Shock and dust proof, designed to withstand multiple drops from 8 feet (2.5 meters).
2. Configuración
Contenido del paquete:
- Symcode MJ-2023 Barcode Scanner
- Base de carga
- Cable de carga (cable USB)
- Manual de usuario (este documento)
Cargando el escáner:
Place the scanner onto the charging cradle. The scanner supports wireless charging. Ensure the charging cradle is connected to a power source via the provided USB cable. A full charge takes approximately 2.5 hours and provides up to 30 hours of battery life.

Figure 2.1: Symcode MJ-2023 Barcode Scanner in its charging cradle, ready for use or charging.
Modos de conexión:
The Symcode MJ-2023 offers multiple connection options for versatility:
- 433MHz Wireless: Connects via the charging base, which has a built-in 433MHz wireless receiver. This mode offers an extended transmission range, ideal for large warehouses.
- Bluetooth: Connects directly to Bluetooth-enabled devices like laptops, tablets, or smartphones.
- Cable USB: Connects directly to a computer via the USB cable for a stable, direct connection.

Figure 2.2: Illustration of the two primary connection modes: 433MHz wireless via the charging base and direct Bluetooth connection.

Figure 2.3: Transmission range comparison: Bluetooth (15m/49ft interior) and 433MHz Wireless (600m/1968ft outdoor).
3. Instrucciones de funcionamiento
Basic Scanning Operation:
To scan a barcode, aim the scanner's light at the barcode and press the trigger button. The scanner will emit a beep and the display screen will show the scanned data.
Display Screen Functionality:
The 1.9-inch TFT color LCD screen provides real-time feedback on your scanning activities and scanner status.

Figura 3.1: Primer plano view of the scanner's display screen.

Figure 3.2: Explanation of display screen elements: 1. Time, 2. Connection status, 3. Connection mode, 4. Electricity level, 5. Store (scanned items in storage), 6. Total (total scanned items).
Storage vs. Normal Mode:
A toggle switch allows you to select between two operational modes:
- Modo de almacenamiento: When set to 'Storage', the scanner saves scanned barcodes internally. This is useful when working away from a computer. Data can be uploaded later. The scanner can store up to 10,000 codes.
- Modo normal: When set to 'Normal', scanned barcodes are transmitted directly to the connected computer or device in real-time.

Figure 3.3: Illustration of Storage mode (offline saving) and Normal mode (direct transfer).
Tipos de códigos de barras admitidos:
The scanner supports a wide range of 1D and 2D barcode symbologies, including:
- 1D: UPC/EAN, UPC/EAN with Supplemental, UCC/EAN 128, Code 39, Code 39 Full ASCII, Trioptic Code 39, Code 128 Full ASCII, Codabar, Interleaved 2 of 5, Discrete 2 of 5, Code 93, MSI, Code 11, RSS variants, Chinese 2 of 5.
- 2D: PDF417, QR Code, Data Matrix.

Figure 3.4: The scanner's super decoding ability for 1D and 2D barcodes.
Opciones de configuración:
The barcode reader offers over 180 configuration options. These allow you to customize the scanning output, such as adding prefixes or suffixes to scanned data, deleting starting or ending characters, or even adding keyboard keys/combinations to the scanning operation. Refer to the detailed configuration guide (if provided separately) for advanced settings.
4. Mantenimiento
Limpieza:
Para limpiar el escáner, utilice un paño suave y húmedo.amp cloth. Do not use abrasive cleaners or solvents, as these can damage the device. Ensure the scanner is powered off before cleaning.
Cuidado de la batería:
The scanner is equipped with a 2600 mAh high-capacity rechargeable Lithium Polymer battery. To prolong battery life:
- Evite descargar completamente la batería con frecuencia.
- Guarde el escáner en un lugar fresco y seco cuando no lo utilice durante períodos prolongados.
- Cargue la batería periódicamente, incluso si no la utiliza de forma constante.

Figure 4.1: Battery specifications: 2600mAh capacity, 4 hours charging time, 30 hours scanning time.
Durabilidad:
The Symcode MJ-2023 is designed with an anti-shock construction, allowing it to withstand multiple drops from a height of 8 feet (2.5 meters) onto concrete surfaces, ensuring reliability in demanding environments.

Figure 4.2: Anti-shock design demonstration.
5. Solución de problemas
Problemas comunes y soluciones:
- El escáner no se enciende: Ensure the battery is charged. Place the scanner on the charging cradle or connect via USB cable.
- El escáner no se conecta al dispositivo:
- For 433MHz wireless: Ensure the charging cradle is properly connected to your computer and the scanner is within range.
- For Bluetooth: Ensure Bluetooth is enabled on your device and the scanner is in pairing mode. Re-pair if necessary.
- For USB wired: Ensure the USB cable is securely connected to both the scanner and your computer.
- El escáner no lee códigos de barras:
- Asegúrese de que el código de barras esté limpio y no esté excesivamente dañado.
- Compruebe si el tipo de código de barras es compatible con el escáner.
- Ajuste la distancia y el ángulo del escáner al código de barras.
- Verify the scanner is in the correct operating mode (Normal or Storage).
- Los datos escaneados son incorrectos o incompletos: Check the scanner's configuration settings (e.g., prefix/suffix, data formatting). Reset to factory defaults if necessary (refer to the detailed configuration guide).
6. Especificaciones
| Característica | Especificación |
|---|---|
| Número de modelo | MJ-2023 |
| Vol de entradatage | CC 5 V ± 0.25 V |
| Actual (Trabajo) | 25 mA |
| Corriente (instantánea) | 95 mA |
| Velocidad de decodificación | 100 veces / seg |
| Wireless Range (433MHz) | Up to 600m (1968ft) unobstructed, 200m (656ft) with obstacles |
| Alcance inalámbrico (Bluetooth) | Hasta 15 m (49 pies) |
| Tipo de batería | Polímero de litio |
| Capacidad de la batería | 2600 mAh |
| Tiempo de carga | 2.5 horas |
| Duración de la batería | 30 horas |
| Pantalla de visualización | LCD en color TFT de 1.9 pulgadas |
| Sistema operativo compatible | Windows, Mac OS, iOS, Android, Linux |
| Dimensiones (paquete) | 9.65 x 4.96 x 4.06 pulgadas |
| Peso del artículo | 1.43 libras |
7. Información de garantía
The Symcode MJ-2023 Barcode Scanner is covered by the manufacturer's standard warranty. Please refer to the warranty card included in your product packaging or contact Symcode customer support for specific details regarding warranty terms and conditions.
8. Soporte
For technical assistance, troubleshooting beyond this manual, or general inquiries, please contact Symcode customer support. Contact information can typically be found on the Symcode official websitio o en el embalaje del producto.