Gradation Adjustment - Konica Minolta bizhub C650 User Manual

Utility mode
11.10

Gradation Adjustment

The gradation levels can be adjusted if there are changes in the color gradations of the print image.
The following color gradation adjustments can be performed.
- Copy:
The adjustment is made with stress on increasing the number of images stored in the memory.
- Printer (Gradation): The adjustment is made with stress on the gradations in images.
- Printer (Resolution): The adjustment is made with stress on the reproducibility of text and lines.
The procedure for adjusting the gradation levels of the copy is described below.
0 Before performing the gradation adjustment, be sure to restart the machine.
0 After replacing an imaging unit, be sure to adjust the gradation levels.
0 When the machine is turned off, then on again with the main power switch, wait at least 10 seconds to
turn the machine on after turning it off. The machine may not operate correctly if it is turned on
immediately after being turned off.
0 The test pattern is printed on plain paper from a paper tray loaded with one of the following sizes (listed
in order of priority): A3 w, 11 × 17 w,
A4 v or 8-1/2 × 11 v. Paper in the bypass tray cannot be selected.
1
Display the Administrator Settings screen.
– For details on displaying the Administrator Settings screen, refer to "Displaying the Administrator
Settings screen" on page 11-36.
2
Touch [1 System Settings].
The System Settings screen appears.
3
Touch [7 Expert Adjustment].
The Expert Adjustment screen appears.
4
Touch [8 Gradation Adjustment].
The Gradation Adjustment screen appears.
5
Press the [Start] key.
– The gradation levels cannot be adjusted if an image stabilization operation is not performed.
The image stabilization operation begins.
6
Touch the button for the mode to be adjusted.
C650
11
11-64