1. Prodotto finitoview
The Symcode MJ-2877-2D is a portable wireless handheld CMOS barcode scanner designed for efficient 1D and 2D barcode reading. It offers convenient Bluetooth connectivity for use with smartphones, tablets, and PCs, making it suitable for various applications including POS systems, Android, iOS, and Windows devices.

Figure 1: Symcode MJ-2877-2D Barcode Scanner
Caratteristiche principali:
- Wireless Bluetooth operation for enhanced convenience.
- Compact size with internal storage capability.
- Ability to scan barcodes directly from phone screens.
- Compatible with Windows XP/7.0/8.0/WinCE, Windows Mobile, Android OS, and iPhone/iPad.
- Long-lasting 3.7V 1000mA Li-ion battery, providing up to 8 hours of continuous work.

Figure 2: Product Components and Analysis
2. Configurazione e connessione
2.1 Carica iniziale
Before first use, ensure the scanner is fully charged. Connect the provided changer cable to the scanner and a suitable USB power source. The 3.7V 1000mA Li-ion battery typically charges in approximately 3 hours.
2.2 Connessione Bluetooth
The scanner can connect wirelessly via Bluetooth 4.0 to compatible devices. A Bluetooth 4.0 receiver is included for devices without built-in Bluetooth.
- Turn on the barcode scanner. The blue light will flash, indicating it is ready for pairing.
- Sul tuo smartphone, tablet o PC, vai alle impostazioni Bluetooth.
- Abilita il Bluetooth e cerca i dispositivi disponibili.
- Select the Symcode scanner from the list to pair. Once successfully paired, the blue light will become solid.

Figure 3: Bluetooth Connection to Devices
2.3 Assemblaggio fisico
The scanner may require minor assembly, such as attaching a hand strap or a clip, as shown in the product instructions.

Figure 4: Product Assembly Instructions
2.4 Installation and Removal Video
Video 1: Demonstrates the process of attaching and detaching a clip or accessory to the scanner, including the use of a screwdriver for secure fastening.
3. Istruzioni per l'uso
The Symcode MJ-2877-2D scanner is capable of decoding a wide range of 1D and 2D barcodes.
3.1 Scansione dei codici a barre
To scan a barcode, aim the scanner's light source at the barcode and press the scanning switch. The scanner will emit a beep and the scanned data will be transmitted to your connected device.
- Codici a barre 1D supportati: UPC/EAN (with supplementals), Code 39, Code 93 (full ASCII), Tri-optic Code 39, RSS variants, UCC/EAN 128, Code 128 (full ASCII), Codabar (NW1), Interleaved 2 of 5, etc.
- Codici a barre 2D supportati: MaxiCode, DataMatrix (ECC 200), PDF 417, QR code, etc.
3.2 Scansione da schermi
The CMOS technology allows for efficient scanning of barcodes displayed on digital screens, such as smartphones or tablets.

Figure 5: Scanning Barcodes from a Phone Screen
4. Manutenzione
4.1 Cura della batteria
- Charge the scanner regularly to maintain optimal battery life.
- Evitare di scaricare completamente la batteria prima di ricaricarla.
- Use only the provided changer cable for charging.
4.2 Pulizia
- Wipe the scanner's exterior with a soft, dry cloth.
- Non utilizzare detergenti abrasivi o solventi.
- Keep the scan window clean and free of dust or debris for optimal performance.
5. Risoluzione Dei Problemi
5.1 Problemi di connettività
- Assicurarsi che lo scanner sia carico e acceso.
- Verify Bluetooth is enabled on your host device and the scanner is in pairing mode (blue light flashing).
- If using the Bluetooth receiver, ensure it is properly plugged into your device's USB port.
- Prova a riavviare sia lo scanner sia il dispositivo host.
5.2 Problemi di scansione
- Assicurarsi che il codice a barre sia pulito, chiaro e non danneggiato.
- Regolare la distanza e l'angolazione tra lo scanner e il codice a barre.
- Check if the scanner's light source is active when the trigger is pressed.
- For specific barcode types, refer to the full programming manual (usually provided with the product or available from the manufacturer).
6. Specifiche
- Modello: MJ-2877-2D
- Peso: 156g
- Dimensioni: Dimensioni: 13.5 x 5.5 x 10.7 cm
- Voltage e corrente: 5V ±0.5V DC; 300mA
- Sorgente luminosa: Aiming: 528nm LED, Illumination: 630nm LED
- Campo di profondità: 50~300 mm
- Roll/Pitch/Yaw: 360°, ±65°, ±60°
- Capacità di decodifica: 1D (UPC/EAN, Code 39, Code 93, Code 128, Codabar, Interleaved 2 of 5, etc.), 2D (MaxiCode, DataMatrix, PDF 417, QR code, etc.)
- Contrasto stampa: Differenza di riflettanza minima del 25%.
- Image (Pixels): 0.35 Megapixels (752 pixels H x 480 pixels V)
- Temperatura di esercizio: 0℃~50℃
- Temperatura di conservazione: -40℃~70℃
- Umidità: 5%~95% senza condensa
- Batteria: 3.7V 1000mA Li-ion (included)
- Connettività: Bluetooth, USB (via changer cable/receiver)
- Dispositivi compatibili: Desktop, Laptop, Smartphone, Tablet

Figura 6: Dimensioni del prodotto
7. Garanzia e supporto
Symcode aims to provide quality products and customer satisfaction. For any support needs or inquiries, please contact the manufacturer directly.
- Supporto WhatsApp: 86 13410733354
- Supporto via e-mail: karl@mjcode.com
The manufacturer states a policy of 100% satisfaction guaranteed, regardless of purchase date.