Problem with fingerprint sensor

hello,
i have project with ardunio and fingerprint module (with 6pins : 2red,2green,2black).
my problem is: when i connecte it with the arduino uno it flashed many times

in monitor serie it display "Did not find fingerprint sensor"

i don't know the problem i try many times and i doing many program and many research but i don't know the problem: its about the connection or the program

can u sirs just help me in my problem I really need help in less of 2 days
and thnks for your help :slight_smile:

What module?
Datasheet?
Code?

All the information please.

Hello,

The Module and Datasheet :
the seller buy it to me without datasheet (he does not have the datasheet) but i think its adafruit fingerprint sensor FM_2013 PCB because i found a module like i have in ebay :
http://www.ebay.com/itm/Optical-Finger-print-Reader-Fingerprint-Sensor-Module-for-Arduino-Locks-/121298397934

code:
I use the librairie Adafruit_Fingerprint that i downloaded from github then i use enroll
librairie Adafruit_Fingerprint: GitHub - adafruit/Adafruit-Fingerprint-Sensor-Library: Arduino library for interfacing to the fingerprint sensor in the Adafruit shop

enroll : In the attchments

I hope i give you all the necessery

And thank you Sir.

adafruit-optical-fingerprint-sensor.pdf (649 KB)

enroll.ino (4.98 KB)

Module.JPG

Excuse me, I have the same fingerprint sensor but the seller who sold it to me gave me this connection for it:

Instead of the four colored wires (red, green, white and black) he sent me a 6 red wires, is yours similar?

Looks like a USB sensor. Only mentions Windows drivers.