1. Product Overview
The KEFAR W8 series barcode scanners are versatile devices designed for efficient and accurate scanning of 1D and 2D barcodes, including QR codes and PDF417. These scanners offer multiple connectivity options to suit various operational environments, including wired USB, 2.4G wireless, and Bluetooth. They are compatible with a wide range of operating systems and applications, making them ideal for supermarkets, warehouses, shopping malls, and other logistic and retail settings.
Figure 1: KEFAR Barcode Scanner with stand, demonstrating its ability to scan various 1D and 2D barcode types.
1.1 Available Models
The KEFAR W8 series offers different models with varying connectivity options:
- KR-W8 Wired USB Barcode Scanner: Connects via USB cable only.
- KR-W8G 2.4G Wireless & USB Barcode Scanner: Offers 2.4G wireless connectivity via a mini USB receiver and wired USB connection.
- KR-W8BL Bluetooth & 2.4G Wireless & USB Barcode Scanner: Provides Bluetooth, 2.4G wireless, and wired USB connectivity.
Figure 2: Overview of KEFAR W8 series models and their connectivity options.
1.2 Package Contents
Upon unboxing, verify that all items are present:
- Barcode scanner (x1)
- 2.4G mini Receiver (x1, for wireless models)
- USB Cable (x1)
- User Manual (x1)
Figure 3: Typical package contents for the KEFAR Barcode Scanner.
2. Setup and Connection
The KEFAR W8 series scanners offer multiple connection methods. Choose the method that best suits your needs.
2.1 Wired USB Connection
This is the simplest plug-and-play method, requiring no drivers.
- Connect the USB cable to the scanner's port.
- Plug the other end of the USB cable into an available USB port on your computer (PC, laptop, POS system).
- The scanner will be automatically recognized and ready for use.
Video 1: Demonstrates the unboxing and various connection methods, including the wired USB connection.
Figure 4: Wired USB connection for immediate use without software installation.
2.2 2.4G Wireless Connection (for KR-W8G and KR-W8BL models)
For wireless operation using the 2.4G receiver:
- Insert the 2.4G mini USB receiver into an available USB port on your computer.
- Turn on the barcode scanner. It should automatically connect to the receiver.
- The scanner is now ready for wireless operation.
Video 1: Demonstrates the unboxing and various connection methods, including the 2.4G wireless connection.
Figure 5: Visual representation of wireless, wired, and Bluetooth connectivity.
2.3 Bluetooth Connection (for KR-W8BL model)
To connect the scanner via Bluetooth:
- Ensure your device's Bluetooth is enabled.
- Turn on the barcode scanner.
- On your device (smartphone, tablet, laptop), search for available Bluetooth devices.
- Select "BARCODE SCANNER" from the list of available devices.
- Confirm the pairing request if prompted. The scanner will connect.
Video 1: Demonstrates the unboxing and various connection methods, including the Bluetooth connection.
3. Operating Instructions
3.1 Scanning Modes
The scanner supports two primary scanning modes:
- Automatic Scanning Mode (Continuous Mode): The scanner continuously emits a scan beam, allowing for hands-free operation. To activate, scan the "Continuous Mode" barcode provided in the full manual.
- Manual Scanning Mode (Key Trigger Mode): The scan beam is activated only when the trigger button is pressed. This is the default mode. To revert to this mode, scan the "Restore Factory Settings" barcode.
Figure 6: Configuration barcodes for Automatic and Manual scanning modes.
3.2 Data Upload Modes (for wireless models)
Wireless models offer two ways to upload scanned data:
- Instant Upload Mode: Barcodes are synchronously uploaded to your computer as they are scanned.
- Storage Mode: Scanned barcodes are stored in the scanner's internal memory (256 KB, capable of storing over 2600 codes) and can be uploaded to the device when needed.
Figure 7: Instant Upload Mode vs. Storage Mode for data transmission.
3.3 Supported Barcode Symbologies
The KEFAR W8 series scanners support a wide range of 1D and 2D barcodes:
- 1D Codes: Code39, Code128, Codebar, EAN/JAN-13, UPC A, and all other common 1D codes.
- 2D Codes: QR Code, PDF417, Data Matrix, Micro QR, AZTEC, and other common 2D codes.
Figure 8: Examples of supported 1D and 2D barcode symbologies.
4. Specifications
| Feature | Specification |
|---|---|
| Product Type | Bar Code Scanner |
| Model Number | W8 Blutooth Barcode Scanner (series) |
| Scanning Light Source | Natural Light + LED |
| Colour Depth | 32 Bit |
| Signal Connection Type | Bluetooth, 2.4G receiver, USB cable (model dependent) |
| Scan Breadth | A4+ |
| Interface Type | USB |
| Scan Element Type | CMOS |
| Scan Speed | 200 scans/second |
| Optical Resolution | 1200*1200 |
| Depth of Scan Field | 10-800 mm |
| Decode Mode | By trigger or continuous mode |
| Decode Error Rate | Less than 1/8 million |
| Supported Symbologies | All Common 2D/1D codes |
| Precision | 5 mil (0.10mm) |
| Battery Capacity | 2000mAh (Li-Ion) |
| Continuous Scan Time | Approx. 6-8 hours |
| Standby Time | >60 Days |
| Compatibility | Windows, MAC OS, Android, iOS, Linux |
| Certifications | CE, FCC, RoHS |
| Dimensions (approx.) | 175mm (L) x 70mm (W) x 83mm (H) |
Figure 9: Product dimensions.
Figure 10: Battery performance details.
5. Maintenance
- Keep the scanner clean. Use a soft, dry cloth to wipe the exterior. Avoid abrasive cleaners or solvents.
- Protect the scanning window from scratches or damage.
- Store the scanner in a cool, dry place when not in use.
- Ensure the USB cable is not bent or crimped excessively to prevent damage.
- For wireless models, ensure the 2.4G receiver is securely plugged in and protected from physical damage.
6. Troubleshooting
- Scanner not connecting:
- For wired connection, ensure the USB cable is firmly connected to both the scanner and the computer.
- For 2.4G wireless, ensure the mini USB receiver is plugged in and the scanner is powered on.
- For Bluetooth, ensure Bluetooth is enabled on your host device and the scanner is paired correctly. Try re-pairing if necessary.
- Scanner not reading barcodes:
- Ensure the barcode is clean, undamaged, and within the scanner's optimal reading range (10-800 mm).
- Check if the scanning mode is set correctly (manual trigger or continuous).
- Verify that the barcode symbology is supported by the scanner.
- If scanning from a screen, ensure the screen brightness is adequate and there's no glare.
- No data transmitted to computer (wireless models):
- Check if the scanner is in "Instant Upload Mode" or "Storage Mode". If in Storage Mode, you need to manually upload the data.
- Ensure the wireless connection (2.4G or Bluetooth) is active and stable.
- Battery issues:
- Charge the scanner fully using the provided USB cable.
- If the battery life is significantly shorter than expected, contact support.
7. User Tips
- Bluetooth Pairing: If you need a specific barcode for Bluetooth pairing, refer to the full user manual or contact KEFAR support.
- USB Connection Reliability: For critical applications, the wired USB connection offers reliable and fast scanning without concerns about wireless interference or battery life.
- Compatibility: The scanner is compatible with various operating systems including Windows, Android, iOS/MacOS, and Linux, and works well with common software like Quickbook, Word, and Excel.
8. Warranty and Support
KEFAR products are designed for durability and performance. We offer comprehensive support for your barcode scanner.
- Warranty: All products come with a minimum 12-month warranty, with some models extending up to 24 months.
- Defective Products: Any product found to be defective within 30 days of shipment will be replaced.
- Online Service: KEFAR provides 24-hour online service. Responses are typically within 12 hours on working days and 24 hours on rest days.
- Contact Support: For full manuals, advanced settings (e.g., Prefix/Suffix, COM port), or any other inquiries, please contact KEFAR directly:
- Email: ranny001@aliyun.com
- Mobile/Whatsapp: +86 13711339201
Figure 11: Warranty and after-sales service details.
