Oce cm4520 User Manual page 560

Utility
6
Press the [Start] key.
A test pattern is printed.
7
Place the printed test pattern on the original glass.
– Be sure to load the paper in the orientation shown on the screen.
8
Place on top of the test pattern 10 or more sheets of blank paper of the
same size as the printed test pattern page.
Why are blank pages placed on top of the test pattern?
?
% Place 10 sheets of blank paper on top of the test pattern while it is
being scanned in order to prevent the document transfer belt of the
ADF from being visible. If the document transfer belt is visible
through the pattern, the gradation levels may not be correctly ad-
justed.
9
Close the ADF.
10
Press the [Start] key.
The printed test pattern is scanned.
When the test pattern is scanned, the gradation levels are automatical-
ly adjusted based on the scanned image.
11
Repeat steps 6 through 10 three times.
12
Touch [Close].
cm4520
12
12-67