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. If the machine is running without having executed <Full Adjust> or <Quick Adjust> once, it may take time to print the first sheet after turning the power ON. |
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: Thin, Plain, Recycled, Heavy |
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If the printed color tones are different from the color tones of the print dataDepending on the paper to use for printing and the print settings, perform correction as follows. To print on plain paper, perform correction with <Standard (Plain)>*1. To print on heavy paper, first perform correction with <Standard (Plain)>*1 and then with <Standard (Heavy)>*2. To print on plain paper using the Superfine function, first perform correction with <Standard (Plain)>*1 and then with <For Printer 1200 dpi>*1. To print on heavy paper using the Superfine function, first perform correction with <Standard (Plain)>*1, then with <Standard (Heavy)>*2, and finally with<For Printer 1200 dpi>*2. *1 Perform correction using plain paper. *2 Perform correction using heavy paper. |
1
Press 
(Settings/Registration) 
<Adjustment/Maintenance> <Adjust Image Quality> <Auto Adjust Gradation> <Full Adjust>.
(Settings/Registration) <Adjustment/Maintenance> <Adjust Image Quality> <Auto Adjust Gradation> <Full Adjust>.2
Select the paper and press <OK>.
3
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.
4
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.
5
Close the feeder and press <Start Scanning>.
The machine starts scanning the test page.
6
Open the feeder, and remove the test page.
7
Repeat steps 3 to 6.
To complete the adjustment, print the test page three 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> <Quick Adjust>.
(Settings/Registration) <Adjustment/Maintenance> <Adjust Image Quality> <Auto Adjust Gradation> <Quick Adjust>.2
Press <Start>.