Adjusting Gradation

If 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.
NOTE
Adjustments may not be performed effectively if there is not sufficient toner.
Checking the Remaining Toner Level

Full Adjustment

Correct the gradation of an image accurately and optimize reproducibility during printing. Optimized information will be retained until the next accurate correction.
You can use the following paper sizes/types.
Size: A3, A4, 11x17, LTR
Type: Plain
1
Press  (Settings/Registration)  <Adjustment/Maintenance>  <Adjust Image Quality>  <Auto Adjust Gradation>.
2
Press <Full Adjust>.
3
Select the paper source in which plain paper is set and press <OK>.
4
Press <Start Printing> to print a test page.
A test page is printed.
NOTE:
The test page refers to a sheet of paper with black stripes printed, which you use in the following steps.
5
Place the test page on the platen glass.
Place the test page with the printed side face down so that the black stripe is 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 a total of three times.
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>.
2
Press <Quick Adjust>.
3
Press <Enable>.
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