Ricoh G133 Service Manual page 106

Image Adjustment
Operation Panel Display
Set Black 1
Set Black 2
Set Black 3
:
:
Set Black 13
Set Black 14
Set Black 15
Set Cyan 1 ∼ 15
Set Magenta 1 ∼ 15
Set Yellow 1 ∼ 15
Adjust the color density at each of the 15 points for each of the four colors.
Do the following to decide what density value to input:
a) Look at the color adjustment sheet.
b) Look at the gradation scale entitled 'Default' for the color you want to adjust.
c) Go along the scale until you reach the density you want to input.
d) Read off the value on the scale and store it in the machine.
Use the up/down key to move the cursor along the three-digit display. Then press
the Enter key.
Use the up/down key to change the digit at the cursor. Then press the Enter key.
Press the Escape key to exit from the menu.
e) Do the same for all 15 points.
10. When the density setting is complete for all colors, print out a color adjustment sheet
again and make sure that the gradation scale for each printed color is smooth and that
the CMY gradation scale is gray. Do the adjustment again if there is an anomaly
(normally, repeat this procedure 3 to 5 times).
G133
Color Calibration
Test Sheet
Default Value 16
Default Value 32
Default Value 48
:
:
Default Value 208
Default Value 224
Default Value 240
See Set Black 1 ∼ 15
See Set Black 1 ∼ 15
See Set Black 1 ∼ 15
3-8 SM