7558-xxx
POR the machine and repeat step 1 to verify the adjustments.
7.
8.
Repeat steps 2–6 to make further adjustments.
SCANNER CALIBRATION
Adjust Calibration Values
This setting adjusts the black value for the mono and color bands used in the gamma curve for a specific scan
source. Use this setting to manually tune the black gamma value of the replacement scanner.
To view the effects of adjusting a scan source's value:
ADF front adjustments—Place the test page image side up in the ADF and select Copy Quick Test.
•
ADF front adjustments—Place the test page image side up in the ADF and select Copy Quick Test.
•
Flatbed adjustments—Remove all pages from the ADF, places the test page on the flatbed, and select
•
Copy Quick Test.
Copy Quick Test
The printer performs a copy using the following value when this this option is selected:
Content Type: text/photo
•
Content Source: color laser
•
Darkness:5
•
•
Background Removal: -4
Contrast: best for content
•
Shadow Detail: 4
•
Sharpness: 3
•
Deskew: false
•
Print Testcase
The printer generates a report to use with the Copy Quick Test setting when this option is selected.
Reset Flatbed Calibration
This setting resetes the flatbed calibration.
Reset ADF Front Calibration
This setting resetes the ADF front calibration.
Reset ADF Back Calibration
This setting resetes the ADF back calibration.
SENSOR TESTS
PRINTER SENSOR TESTS
This test verifies that the sensors in the base machine are operating properly.
To run these tests:
1.
From the Diagnostics Menu, navigate to SENSOR TESTS.
Select PRINTER SENSOR TESTS.
2.
Service Manual
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