When and how to calibrate the CIS sensor?

CIS calibration is often needed when there are any errors during the banknote counting process.

(1) Longpress the MENU button. Next, go to the service menu with the password “9999”, as shown in the following figures.

(2) Click the “CIS Calibration” option, shown below:

(3) Using the included CIS calibration sheet (white paper), place inside as seen below.

(4) Start CIS calibration by pressing the “RESTART” button.

(5) After the machine finishes and adjusts succeed, just take remove the calibration paper out and turn off the machine.

(6) Finally, turn on the machine to finish the CIS calibration.