4. Troubleshooting
Auto Tone Adjustment
•
Diagnostics > Image Management > Auto Tone Adjustment > Normal
Purpose
To correct image quality when density of the image is poor. Normal TRC Control is recommended to
be performed after changing a unit, such as toner cartridge, imaging unit, and ITB, and reboot.
Low Im a ge De ns ity
Gra da tion Re production Fa ilure
Operation Procedure
Select “Execute” button.
Verification
Print out a test job and make sure the image quality has recovered.
Reference
Refer to 4.6.6 Light Image
•
Diagnostics > Image Management > Auto Tone Adjustment > Full
Purpose
To correct image quality when any OPC drum is replaced or the life of the OPC drum is changed.
replacing any OPC drum or density of the image is poor. And this function will be performed when
temperature and/or humidity in the room changes suddenly.
Operation Procedure
Select “Execute” button.
Verification
Print out a test job and make sure the image quality has recovered.
Reference
Refer to 4.6.6 Light Image
•
Diagnostics > Image Management > Auto Tone Adjustment > CTD Sensor Cleaning
Purpose
To solve the “CTD Sensor Failure” error.
NOTE
Refer to the troubleshooting for error “A3–2113”
Operation Procedure
1) Clean the ACR/CTD sensor.
2) Enter the SVC mode. Execute the CTD Sensor cleaning.
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