./enroll

This program will enroll your right index finger, unconditionally overwriting any right-index print that was enrolled previously. If you want to continue, press enter, otherwise hit Ctrl+C

Found device claimed by EgisTec ES603 driver
Opened device. It's now time to enroll your finger.

You will need to successfully scan your finger 5 times to complete the process.

Scan your finger now.
Wrote scanned image to enrolled.pgm
Enroll stage passed. Yay!

Scan your finger now.
libusb: 0.000000 error [libusb_cancel_transfer] cancel transfer failed error -4
libusb: 0.000032 warning [handle_timeout] async cancel failed -4 errno=19
etes603:warning [async_tx_cb] transfer is not completed (status=5)
etes603:error [m_finger_complete] Error while capturing fingerprint (ssm->error=-5)
sync:error [fp_enroll_finger_img] unrecognised return code -4