1. Introduction
Thank you for choosing the Syble XB-6221RB 2.4G BT Wireless 1D/2D Barcode Scanner. This device is designed for efficient and accurate scanning of various 1D and 2D barcodes, offering both 2.4G wireless and Bluetooth connectivity for versatile use. Its robust design ensures durability in various environments.

2. Setup
2.1. Charging the Scanner
Before initial use, ensure the scanner's 1400mAh lithium battery is fully charged. Use the provided square USB charging cable to connect the scanner to a power source. A full charge supports approximately 6 hours of continuous operation.

2.2. Connecting the Scanner
The XB-6221RB offers two connection modes: 2.4G Wireless via USB dongle and Bluetooth BLE 4.0.
2.2.1. 2.4G Wireless Connection (via USB Dongle)
- Plug the USB receiver dongle into an available USB port on your computer or host device.
- The scanner will automatically connect to the dongle. The LED indicator on the scanner will show a stable blue light when connected.
2.2.2. Bluetooth Pairing
To pair the barcode scanner with a cradle or a Bluetooth-enabled device (mobile phone, tablet, laptop):
- Scan the 'Pairing Code I' from the user manual (or a provided pairing sheet).
- Immediately scan the 'Pairing Code II' from the user manual (or a provided pairing sheet).
- The scanner's LED indicator will become blue and flashing, indicating it is in pairing mode.
- On your host device, search for Bluetooth devices and select the Syble scanner to connect.
3. Operating the Scanner
3.1. Scanning Barcodes
The scanner supports manual, continuous, and automatic induction scanning modes. Simply point the scanner at the barcode and press the trigger (if in manual mode) or allow it to automatically detect the code.
3.1.1. 1D Code Scanning
The scanner can accurately read various 1D barcodes from both paper and screens.

3.1.2. 2D Code Scanning (QR, Data Matrix, PDF417, etc.)
The XB-6221RB is capable of interpreting a variety of 2D codes, including QR codes, Data Matrix, and PDF417, from both physical labels and digital displays. It also supports direct Chinese transmission of QR codes.
3.1.3. Scanning Damaged Codes
The advanced decoding chip allows for high scanning accuracy, even with partially damaged or poorly printed barcodes, with an error rate as low as 1/5 million.

3.2. Offline Storage Mode
When the scanner exits the connection range, it automatically stores scanned data. The offline inventory storage mode has a capacity of 512,000 characters. Once reconnected, the stored data can be transmitted to the host device.
3.3. Wireless Transmission Range
The scanner offers a wireless transmission range of 30-50 meters in an open area, ensuring stable connection and flexibility.

4. Maintenance
4.1. Cleaning
To maintain optimal performance, regularly clean the scanner's lens and exterior. Use a soft, lint-free cloth, slightly dampened with water or a mild cleaning solution. Avoid abrasive cleaners or solvents that could damage the device.
4.2. Battery Care
To prolong battery life, avoid fully discharging the battery frequently. Charge the scanner regularly, especially if it will be stored for an extended period.
4.3. Durability
The scanner body is constructed from thick PC+ABS material, designed to withstand multiple drops from up to 3 meters onto concrete. While durable, avoid unnecessary impacts to ensure longevity.

5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Scanner not turning on | Low battery | Charge the scanner fully. |
| Scanner not connecting to device | Not paired correctly; Out of range; USB dongle not recognized | Re-pair the scanner (see Section 2.2.2); Move scanner closer to the device; Re-insert USB dongle or try another USB port. |
| Scanner not reading barcodes | Barcode damaged/unreadable; Incorrect scanning angle; Dirty lens | Try scanning a different barcode; Adjust scanning angle; Clean the scanner lens (see Section 4.1). |
| Incorrect data transmitted | Incorrect configuration; Data format issue | Refer to the full programming manual for configuration settings. |
6. Specifications

| Feature | Detail |
|---|---|
| Model | XB-6221RB |
| Light Source | 617nm LED Aimer, White LED |
| Resolution | 640*480 |
| Scan Mode | Manual/Continuous/Automatic Induction Scanning |
| Scan Angle | Yaw55°, Rotation 30°, Pitch55° |
| Precision | ≥5mil |
| Print Contrast | 20% minimum reflective difference |
| Error Rate | 1/5 million |
| Interface | USB-HID |
| Communication | 2.4G Wireless, Bluetooth BLE 4.0 |
| Transmission Distance | 30-50m (Open Yard) |
| Pairing Mode | One to One |
| Dimensions | 79.7mm × 69mm × 155mm |
| Weight | 223.9g |
| Material | ABS+PC |
| Cable Length | 1.2m |
| Battery | 1400mA Lithium battery |
| Voltage | DC5V±5% |
| Current | ≥280mA (Working), ≥26mA (Standby) |
| Charging | Square USB charging cable, plug straight charge |
| Storage Mode | Offline Storage Mode (512,000 characters capacity) |
| Supported 1D Symbologies | EAN, UPC, Code 39, Code 93, Code 128, UCC/EAN 128, Codabar, Interleave 2 of 5, ITF-6, ITF-4, ISBN, ISSN, MSI-Plessey, GS1 Databar, GS1 Composite Code, Code 11, Industrial 25, Standard 25, Plessey, Matrix 2 of 5 |
| Supported 2D Symbologies | QR Code, Data Matrix, PDF417, Aztec, Maxicode, Micor QR, Micor PDF417, Hanxin Code |
| Operating Temperature | -20°C ~ 50°C |
| Storage Temperature | -40°C ~ 70°C |
| Relative Humidity | 5% ~ 95% (Non-condensing) |
| Drop/Shock Resistance | Withstands multiple times 3 meters drops to concrete |
| System Supported | Linux, Android, Windows XP/7/8/10 |
7. User Tips
- For optimal scanning, ensure the barcode is well-lit and flat.
- When scanning from screens, adjust the screen brightness to avoid glare.
- Keep the scanner's lens clean to prevent misreads.
- If experiencing connectivity issues, try re-pairing the device or moving closer to the receiver/host.
- Utilize the offline storage mode for inventory tasks in areas without immediate connectivity.
8. Warranty and Support
8.1. Warranty
The Syble XB-6221RB Barcode Scanner comes with a 2-year warranty. This warranty covers manufacturing defects and ensures return and replacement services for eligible issues.
8.2. Technical Support
For any technical assistance or inquiries, please contact Syble customer support:
- Email: sales04(at)syble.cn
- Phone/WhatsApp: +86-18565007769