Olivetti d-color MF451, Instructions Manual

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System Settings
7
7-24 d-Color MF651/551/451
7.1
Gradation Adjustment
Adjust irregular gradation levels of print images.
0 Adjust each correction item three times.
1
Turn off the main power switch of this machine.
2
Wait at least 10 seconds, and then turn it on again.
3
Press the [Utility/Counter] key ö [Administrator Settings] ö [System Settings] ö [Expert Adjustment]
ö [Gradation Adjustment].
4
Press the [Start] key.
The image stabilization operation starts.
The correction items on the right of the touch panel become enabled.
5
Select an item to be corrected.
6
Select paper used to output a test pattern.
% As a paper size, select A3 w , 11 e 17 w , A4 v , or 8-1/2 e 11 v . By default, A3 w is selected.
% Paper in the bypass tray cannot be selected.
7
Press the [Start] key.
A test pattern is printed.
% Selecting A3 w or 11 e 17 w outputs one sheets, and selecting A4 v or 8-1/2 e 11 v outputs two
sheets.
8
Place the printed test pattern on the original glass in orientation displayed in the touch panel.
% For the test patterns of A4 v or 8-1/2 e 11 v , place the output two sheets side by side.
9
Place 10 or more sheets of blank paper on top of the test pattern to prevent it from becoming
transparent.
10
Close the ADF.
11
Press the [Start] key.
The test pattern is scanned.
The gradation level is automatically adjusted.
12
Repeat steps 5 through 11 two more times.