Adjusting Gradation
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If color gradation reproducibility has become so poor that the gradation in the printed or copied image differs markedly from the print data or original document, gradation adjustment may improve the problem. There are two types of adjustments: Full Adjustment and Quick Adjustment.
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Adjustments may not be performed effectively if there is not sufficient toner. |
Full Adjustment
Correct the gradation of an image accurately and optimize reproducibility during printing. Optimized information will be retained until the next accurate correction.
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You can use the following paper sizes/types. Size: A3, A4, 11x17, LTR Type: Plain, Heavy 1, Heavy 2 to 7 |
1
Press 
(Settings/Registration) 
<Adjustment/Maintenance> <Adjust Image Quality> <Auto Adjust Gradation>.
(Settings/Registration) <Adjustment/Maintenance> <Adjust Image Quality> <Auto Adjust Gradation>.2
Select the paper to adjust, and press <Full Adjust>.
If you selected <Simple> in <Adjustment Level>, it is not necessary to select the paper. Adjustment is applied to all paper types.
3
Select the paper source in which the paper you selected in step 2 is loaded, and press <OK>.
4
Press <Start Printing>.
A test page is printed.
The test page refers to a sheet of paper with four color stripes printed, which you use in the following steps.
5
Place the test page on the platen glass.
Place the test page sheet in the machine in a manner that its side on which the four color stripes are printed faces down and the black stripe faces toward the back side of the machine.
6
Close the feeder and press <Start Scanning>.
The machine starts scanning the test page.
7
Open the feeder, and remove the test page.
8
Repeat steps 4 to 7.
To complete the adjustment, print the test page four times, and scan it each time it is printed.
Quick Adjustment
This adjustment maintains the optimized status that was acquired by <Full Adjust>. If the result of this adjustment is not satisfactory, perform <Full Adjust>.
1
Press (Settings/Registration) <Adjustment/Maintenance> <Adjust Image Quality> <Auto Adjust Gradation>.
(Settings/Registration) <Adjustment/Maintenance> <Adjust Image Quality> <Auto Adjust Gradation>.2
Select the paper to adjust, and press <Quick Adjust>.
If you selected <Simple> in <Adjustment Level>, it is not necessary to select the paper. Adjustment is applied to all paper types.
3
Press <Start>.
Changing the Settings for Adjustment
You can change the paper and adjustment level to use when performing adjustment.
(Settings/Registration) <Adjustment/Maintenance> <Adjust Image Quality> <Auto Adjust Gradation>
<Adjustment Level>Enables you to set the level for gradation adjustment.
<Initialize When Using Full Adjust>Enables you to set whether to use default settings for gradation adjustment.
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Since this may cause poor color balance, make sure to perform auto gradation adjustment (full adjustment) after changing the settings. |