HP Designjet T11 MFP Série Guide De Référence Rapide page 52

3. Press the messages section, which is located below the preview screen.
NOTE:
4. In the Scanner Messages dialog box, press the Scanner Maintenance
button.
5. The Maintenance Wizard guides you through the procedures of camera
alignment, stitching, and calibration. To calibrate the scanner, you need the
maintenance sheet that came with your scanner.
48 Chapter 3 Maintenance
If there are no pending actions, the messages section might be blank.