Ricoh G188 Service Manual page 122

Image Adjustment
2. Use the down arrow key to select Controller SP1-102 "ToneCtlSet". Then press the
Enter key.
3. Use the up/down key to select the mode you want to calibrate, Then press the Escape
key until you get back to the controller service mode menu.
4. Use the down arrow key to select Controller SP1-103 "PrnColorSheet". Then press the
Enter key.
5. Use the up/down key to select Controller SP1-103-001 "ToneCtlSheet" (normally this is
displayed by default). Then press the Enter key.
6. Press the Enter key to print out the "color calibration test sheet". When "Execute?"
shows.
7. Press the Escape key 2 times to exit from the menu. when "Execute OK" shows. (You
return to Controller SP1-103 "PrnColorSheet" in the controller service menu.)
8. Use the down arrow key to select Controller SP1-104 "ToneCtlValue". Then press the
enter key.
9. Use the up/down arrow key to select the setting you want to adjust. Then press the
enter key. The three digits in the display (example '016') indicate a position on the color
calibration test sheet.
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
G188/G189
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
4-8 SM