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.
Operation Procedure
When selecting “OK”, Normal TRC will execute now.
Verification
Print out a test job and make sure the image quality has recovered.
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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
When selecting “OK”, Full TRC will execute now.
Verification
Print out a test job and make sure the image quality has recovered.
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Diagnostics > Image Management > Auto Tone Adjustment > CTD Sensor Cleaning
Purpose
To solve the “CTD Sensor Failure” error.
Operation Procedure
After cleaning CTD/ACR sensor, execute this menu.
4.5.5.7. Print Test Patterns
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Diagnostics > Print Test Patterns > Skew Pattern
The skew pattern stored in the machine will be printed out as the size you select.
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