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.
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.
You can use the following paper sizes/types.
C5800 Series
Size: A3, A4, 11" x 17", LTR
Type: Plain 1 to 3, Heavy 1 to 7
C3800 Series
Size: A3, A4, 11" x 17", LTR
Type: Thin 1 to 2, Plain 1 to 3, Recycled 1 to 3, Heavy 1 to 7
If the colors in the printed image differ from those in the original (C3800 Series only)
Adjust the gradation in the steps below according to the paper and settings used for printing.
To print on heavy paper
1. Use thin, plain, or recycled paper and adjust with <Thin/Plain/Recycled>.
2. Use heavy paper and adjust with <Heavy>.
If both of the following apply:
To print in Superfine on thin, plain, or recycled paper
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.
5
Scan the test page.
If the paper source selected in step 3 contains one of the paper types listed below, use the platen glass for scanning even when <Use Feeder When Performing Full Adjust> is set to On.
C5800 Series: Heavy 6, Heavy 7
C3800 Series: Thin 1, Thin 2, Heavy 6, Heavy 7
Scanning Using the Feeder
1
Place the test pages in the feeder.
Place the test pages in the feeder.
2
Press <Start Scanning>.
The test pages are scanned and full adjustment is completed.
Scanning Using the Platen Glass
1
Place the test page on the platen glass.
Place the test page as indicated by the on-screen instructions.
2
Close the feeder and press <Start Scanning>.
The machine starts scanning the test page.
3
Open the feeder, and remove the test page.
4
Repeat steps 4 (Press <Start Printing>) and 5 (Scan the test page) above for full adjustment.
To complete adjustment, follow the on-screen instructions to print and then scan the test page multiple times.
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>.
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