Retrieve raw fingerprint images from ZKTeco sensors.
Install the driver package included in the SDK for your specific scanner (e.g., ZK4500 or SLK20R). libzkfpdll full
Ensure the latest ZKFinger SDK 5.x/ZKOnline SDK is properly installed. Alternatives for Developers Retrieve raw fingerprint images from ZKTeco sensors
Develop custom biometric attendance, access control, or secure login software. Supported Devices and SLK20M—and software applications
The (often referred to as libzkfp.dll or libzkfpcsharp.dll in .NET environments) is a critical component of the ZKFinger SDK provided by ZKTeco. It serves as the dynamic link library responsible for interfacing between biometric fingerprint scanners—such as the ZK4500, ZK9500, SLK20R, and SLK20M—and software applications, particularly on Windows operating systems.