12.10 Adjusting The Gradation Levels; Requisite - Konica Minolta bizhub C250 User Manual

Utility

12.10 Adjusting the gradation levels

Adjust the gradation levels 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 grada-
tions in images.
- [Printer (Resolution)]: The adjustment is made with stress on the repro-
ducibility of text and lines.
The procedure for adjusting the gradation levels of the copy is described be-
low.

Requisite

0 Before adjusting the gradation levels, be sure to restart the machine.
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 After replacing an imaging unit, be sure to adjust the gradation levels.
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 Setting screen.
– For details on displaying the Administrator Setting screen, refer to
"Displaying the Administrator Setting screen" on page 12-47.
2
Touch [1 System Setting].
The System Setting screen appears.
3
Touch [7 Expert Adjustment].
The Expert Adjustment screen appears.
4
Touch [8 Gradation Adjustment].
The Gradation Adjustment screen appears.
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