Konica Minolta bizhub PRESS C8000e - Manual (Page 359)

bizhub PRESS C8000 10-51
10.9 [03 Administrator Setting] - [01 System Setting] 10
10.9.11 [05 Expert Adjustment] - [07 Quality Adjustment] - [01 Printer Gamma Offset
Adj.]
Change the printer gamma curve to adjust the gradation and background density in highlights. This adjust-
ment is required when the color reproducibility varies depending on the selection of screen in copy mode.
NOTICE
Make this adjustment after operating [Gamma Automatic Adj.] of [02 Execute Adjust Operation] from the Ad-
justment Menu Screen or [Gamma Automatic Adj.] of [05/08 Execute Adjust Operation] in the Utility mode to
complete the gamma automatic adjustment. For details of [Gamma Automatic Adj.], see Section 8 or Section
9 of the User's Guide - Main Body.
NOTICE
For the machine with ADF equipped, the Printer Gamma Offset Automatic Adjustment is to be made for the
printer gamma adjustment. Make this adjustment especially when the printer gamma requires to be finely ad-
justed.
NOTICE
This adjustment is not needed if you operate [05/07 Print Gamma Offset Auto. Adj (RU)] in the Utility mode.
For details of [05/07 Print Gamma Offset Auto. Adj (RU)], see Section 9 of the User's Guide - Main Body.
1
Follow the procedure on page 10-2 to display the Administrator Setting Menu Screen.
2
Press [01 System Setting], [05 Expert Adjustment], [07 Quality Adjustment], and [01 Printer Gamma Off-
set Adj.] in sequence.
The Printer Gamma Offset Adjustment Screen will be displayed.
3
Use [Next] and [Previous] to select the screen to be adjusted.
% Contone is the screen used in texts when Line 1, Line 2, Dot 1, or Dot 2 is used, and consequently
does not require this adjustment.
4
Press [Print Mode].
The Print Mode Screen will be displayed.
5
Select A4
w, then press Start on the control panel.
A test chart will be output.
6
Press [Exit Print Mode] to return to the Printer Gamma Offset Adjustment Screen.
7
Check the output chart.
Check that the highlights of C and K start uniformly and appear aligned to the gray base line [1].