1. Introduction
This instruction manual provides detailed guidance for the installation, operation, and maintenance of your Fafeicy WA28 USB Fingerprint Reader. Please read this manual thoroughly before using the device to ensure proper functionality and to maximize its lifespan.
2. Product Overview
The Fafeicy WA28 is a compact and efficient USB fingerprint reader designed for secure biometric identification. It features a capacitive fingerprint collector for high accuracy and supports plug-and-play installation on compatible systems.

Image: The Fafeicy WA28 USB Fingerprint Reader, a black device with a fingerprint sensor area and an attached USB cable.

Image: Close-up view of the Fafeicy WA28 USB Fingerprint Reader showing the USB-A connector and coiled cable.
3. Specifications
| Feature | Detail |
|---|---|
| Model | WA28 |
| System Support | Windows 10 and above (32-bit and 64-bit) |
| Fingerprint Collector | Capacitive |
| Fingerprint Image Size | 98 x 112 pixels, 508 DPI |
| Fingerprint Record Capacity | 10 |
| Comparison Method | 1:N and 1:1 |
| Communication Interface | USB |
| Operating Voltage | DC 5V |
| Operating Temperature | -10 ℃ to 60 ℃ |
| Relative Humidity | 20% to 80% |
| Dimensions (L x W x H) | 13 x 10 x 4 cm |
| Weight | 88 grams |
4. Setup
The Fafeicy WA28 USB Fingerprint Reader is designed for easy setup.
- Connect the Device: Plug the USB cable of the WA28 fingerprint reader into an available USB port on your computer.
- Driver Installation: The device supports Plug and Play functionality. If your computer is connected to a network, the necessary hardware drivers should install automatically.
- Manual Driver Update (if needed): In some cases, you may need to manually update the driver through your operating system's device manager. Refer to your operating system's documentation for specific steps on updating drivers.
- System Compatibility: The WA28 is compatible with Windows 10 and higher operating systems, supporting both 32-bit and 64-bit architectures.
5. Operating Instructions
Once the device is successfully installed, you can begin using it for fingerprint identification. The WA28 utilizes a capacitive fingerprint collector for accurate and secure biometric authentication.
- Fingerprint Enrollment: Follow the instructions provided by your operating system or security software to enroll your fingerprints. This typically involves placing your finger on the sensor multiple times from different angles. The device can store up to 10 fingerprint records.
- Fingerprint Recognition: For authentication, place your registered finger firmly on the fingerprint sensor. The device will compare your fingerprint using either 1:N (one-to-many) or 1:1 (one-to-one) comparison methods, depending on the software implementation.
- Sensor Interaction: The sensor is designed for sensitive and efficient touch. Ensure your finger is clean and dry for optimal recognition.
6. Maintenance
To ensure the longevity and optimal performance of your Fafeicy WA28 USB Fingerprint Reader, follow these maintenance guidelines:
- Cleaning: Gently wipe the fingerprint sensor surface with a soft, dry, lint-free cloth. Avoid using abrasive cleaners, solvents, or excessive moisture, as these can damage the sensor.
- Storage: When not in use, store the device in a clean, dry environment away from direct sunlight and extreme temperatures.
- Handling: Handle the device with care. Avoid dropping it or subjecting it to strong impacts. Do not pull the USB cable forcefully.
7. Troubleshooting
If you encounter issues with your Fafeicy WA28 USB Fingerprint Reader, refer to the following common troubleshooting steps:
- Device Not Recognized:
- Ensure the USB cable is securely plugged into both the device and the computer's USB port.
- Try plugging the device into a different USB port.
- Restart your computer.
- Check your computer's Device Manager to see if the device is listed and if there are any driver issues. Update drivers manually if necessary.
- Fingerprint Not Recognized:
- Ensure your finger is clean and dry.
- Try different angles and pressure when placing your finger on the sensor.
- Re-enroll your fingerprint if recognition continues to fail.
- Ensure the software you are using for fingerprint authentication is correctly configured.
- Intermittent Connection:
- Check the USB cable for any visible damage.
- Avoid placing the device near sources of strong electromagnetic interference.
8. Warranty and Support
Fafeicy is committed to providing high-quality products. For technical support or inquiries regarding your WA28 USB Fingerprint Reader, please contact Fafeicy customer service through the retailer where you purchased the product or visit the official Fafeicy website for support resources. Please retain your proof of purchase for warranty claims.


