Oce TC4 User Manual page 173

Calibrate the scanner
Select 'OK' with the lower-right softkey.
4.
Note:
When the calibration process stops or fails, follow the instructions on the scanner oper-
ator panel carefully.
Result
The Océ TC4 scanner is calibrated and the scan quality is correct again.
Chapter 8 - Maintain the Océ TC4 173