From TechnoDocs
DaVinci Router
The DaVinci Series routers are small machines, aimed at small, precision machining. They come with two possible electronics packages: Stepper and Servo.
These machines are generally sized to order, and may come in many different sizes.
Servo DaVinci
The servo model is pictured below. Notice that the Z-axis motor has 2 cables, which indicates that it’s a SERVO and not a stepper.