Ricoh Pro C9200 Operating Instructions Manual page 21

7. Press [Auto Color Diagnosis Unit Setting].
8. Check that all the setting items are set to [Active].
Next, generate paper properties again.
A message prompting you to clean is displayed on the main unit's control panel
Clean the Line Sensor. See "Cleaning the Line Sensor", Maintenance and Management.
The tone or hue of the printed image changes erroneously after Auto Color Diagnosis
Clean the Line Sensor. See "Cleaning the Line Sensor", Maintenance and Management.
Troubleshooting
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