Noting works? Even no movement (no replies)

Hello people, I just started to build a reprap printer. For now I use arduino uno platform, I got my stepper motors and stepper controllers. I will get an arduino mega soon. Till I will get arduino mega I just wanted to test reprap g code interpreter with my arduino uno. Also I wanted to see that are my stepper controllers work with reprap firmware.

Here you can see my stepper controller's picture and my stepper motor's wires . This controller works well with my stepper motors. But when I try with printer interface & reprap interpreter noting happens. Steppers are locking no movement :(

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[a.pololu-files.com]

Also there are few thing that I did not understand.

#define X_STEP_PIN 2
#define X_DIR_PIN 3
#define X_ENABLE_PIN 4
#define X_MIN_PIN 5
#define X_MAX_PIN 6


There are enable, max and min pins I see but I'm not sure where I should connect these pins on my stepper driver.

Here some screen shots may will help us to find the problem. I guess everything seems normal.

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Thanks for help!