Press the [User Tools/Counter] key.

Press [Maintenance].
Press [Auto Color Calibration].
Press [Previous Setting].
When returning the auto color calibration of the copy function, press [Previous Setting] in Copier Function. If returning the auto color calibration of the printer function, press [Previous Setting] in Printer Function.

Press [Yes].
When performing auto color calibration using the printer function
Select test patterns from [Test Pattern 1 600
600 dpi], [Test Pattern 2 1800
600 dpi], [Test Pattern 3 9000
600 dpi], [Test Pattern 4 1200
1200 dpi], or [Test Pattern 5 3600
1200 dpi] and then press [Yes].

Press the [User Tools/Counter] key.