How to Calibrate the Regula Device

Summary

Calibration ensures accurate color reproduction, compensates for geometric distortions, and corrects uneven document lighting. Devices are pre-calibrated during production but may require recalibration in specific cases.

Requirements

• Two printed test objects (included in the device package).
• Write permissions for the folder C:\Users\%USER%\AppData\Local\Regula\.
• Document Reader application installed.

Steps

1. Preparation of Test Objects

1. Print the test object #1.pdf file from the Document Reader SDK documentation folder (default path: C:\Program Files (x86)\Regula\Document Reader SDK\Doc). Disable document scaling in print settings.
   

   

2. Cut out the test object along the outer lines.
3. Repeat the process for test object #2.pdf.

2. Calibration Procedure

1. Open the Document Reader application. Hold the Left Ctrl key and navigate to File → Device → Calibrate….
2. Place Test Object Side 1 (white side down) on the scanner glass, aligning it with the left and back panels. Click OK.
   

   

3. Place Test Object Side 2 (chessboard pattern) on the scanner glass, aligning it with the left and back panels. Click OK.
   

   

4. Calibration is complete.

3. Files for Test Object Printing

If you need files for calibration, we recommend checking out this article.