Ricoh Aficio SP C811DN Hardware Guide - Page 166

number useing the operation panel. The currently set correction value is printed in red.

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8. Adjusting the Printer The gradation correction sheet contains: "gradation correction sheet 1" for adjusting highlights and "gradation correction sheet 2" for adjusting midtones. Gradation correction sheet 1 is used for correction 1, while gradation correction sheet 2 is used for correction 2. Color sample and correction values The following explains how to view the color sample of the Color Calibration Sample Sheet and the correction values of the gradation correction sheet. This explanation uses setting K (black) as an example. The setting method for M (magenta) is similar. For C/Y (cyan/yellow), the correction value is determined based on combinations of these two colors, although panel settings are configured for each color separately. • Hold the correction value (0 to 6) for "K" of the correction value setting sheet over the color sample of gradation correction 1 of the Color Calibration Sample Sheet and find the corrected color closest to that of the color sample. End this sentence here. Then, enter the corresponding number useing the operation panel. The currently set correction value is printed in red. 8 Reading the gradation correction sheet The printed gradation correction sheet is read as shown below. Comparing the gradation correction sheet and correction value of each color, K (black), M (magenta), and C (cyan)/Y (yellow) determine the required gradation correction and configure settings using the control panel. 164

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The gradation correction sheet contains: “gradation correction sheet 1” for adjusting highlights and “gra-
dation correction sheet 2” for adjusting midtones. Gradation correction sheet 1 is used for correction 1,
while gradation correction sheet 2 is used for correction 2.
Color sample and correction values
The following explains how to view the color sample of the Color Calibration Sample Sheet and the
correction values of the gradation correction sheet.
This explanation uses setting K (black) as an example. The setting method for M (magenta) is similar.
For C/Y (cyan/yellow), the correction value is determined based on combinations of these two colors,
although panel settings are configured for each color separately.
•
Hold the correction value (0 to 6) for “K” of the correction value setting sheet over the color
sample of gradation correction 1 of the Color Calibration Sample Sheet and find the corrected
color closest to that of the color sample. End this sentence here. Then, enter the corresponding
number useing the operation panel. The currently set correction value is printed in red.
Reading the gradation correction sheet
The printed gradation correction sheet is read as shown below.
Comparing the gradation correction sheet and correction value of each color, K (black), M (ma-
genta), and C (cyan)/Y (yellow) determine the required gradation correction and configure settings
using the control panel.
8. Adjusting the Printer
164
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