HP ScanJet Pro 4500 fn1 - Manual (Page 36)

Test and calibrate the touch screen
To test and calibrate the touch screen, do the following:
1. Select Settings.
2. Select Display.
3. Scroll down and select Screen Recalibration.
4. Follow the on screen instructions to perform the calibration.
5. Recalibration complete will display when the process is completed.
28 Chapter 4 Care and maintenance ENWW