Color Deviation Correction - Oki OKIPAGE8c Maintenance Manual

4.2.2

Color deviation correction

After replacing a part of the page printer, be sure to check whether colors are matched. If not,
correct the deviations.
- Method of correcting color deviations
(a) Set the User Maintenance mode, select the Color Deviation Correction mode (COLOR
REG ADJUST EXECUTE), and print out a color chart (PRINT PATTERN). In this mode,
the page printer cannot receive any data from the host computer.
(b) Watch the printed color and check color deviations (#1 to #3 for yellow, #4 to #6 for
magenta, and #7 to #9 for cyan).
(c) After a color chart is printed out, the menu shows the ADJUST #1 mode for entering a
correction value for the left (#1) yellow chart.
(d) Enter correction values for #1 (left yellow chart), #2 (middle yellow chart) and #3 (right
yellow chart). Similarly enter correction values for #4 to #6 for left, middle, and center
magenta charts and for #7 to #9 for left, middle, and center cyan charts.
(e) After entering all correction values, print out a new color chart (by PRINT EXECUTE), and
check color deviation.
(f) Repeat the above steps until all colors match.
(g) Press the ONLINE switch to exit the color correction mode (by EXIT). Initialize the page
printer and enter the operation mode.
The menus for correction of color deviations are as follows:
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