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.
Adjustments may not be performed effectively if there is not sufficient toner.

8700 Series Only

There are two types of adjustments: Full Adjustment and Quick Adjustment.

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.
5
Place the test page on the platen glass.
Place the test page as indicated by the on-screen instructions.
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>.

6700 Series / 4700 Series Only

You can use the following paper sizes/types.
6700 Series Only
Size: A3, A4, 11x17, LTR
Type: Plain
4700 Series Only
Size: A3, A4, 11x17, LTR
Type: Plain 1 to 2
1
Press  (Settings/Registration)  <Adjustment/Maintenance> <Adjust Image Quality> <Auto Adjust Gradation>.
2
Select the paper source in which the plain paper is loaded, and press <OK>.
3
Press <Start Printing>.
A test page is printed.
4
Place the test page on the platen glass.
Place the test page as indicated by the on-screen instructions.
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.
84LU-0UL