Adjustments; Calibrating The Scanner - Lexmark X925 Service Manual

Adjustments

Calibrating the scanner

After replacing any of the following components, you must reset the scanner calibration values and check the
black levels of the scanner:
–
Flatbed scanner assembly
–
ADF unit assembly
–
Flatbed scanner CCD assembly
Resetting the calibration values
Note: If the printer menus do not match the following instructions, then contact your next level of support.
1.
Enter the Diagnostic mode: press and hold 3 and 6, turn on the printer, and release the buttons when the
splash screen appears.
2.
From the Diagnostics menu, navigate to:
SCANNER CALIBRATION > (select an assembly) > Reset Calibration Values
Calibrating the scanner black levels
Note: If the printer menus do not match the following instructions, then contact your next level of support.
1.
From the Diagnostic menu, navigate to:
PRINT TESTS > Print Quality Pages
Multiple test pages print. Use the first printed page to test the scanner black levels.
•
Adjust the ADF Front:
a. Load the printed test page face up into the ADF.
b. From the Diagnostics menu, navigate to:
SCANNER CALIBRATION > Copy Quick Test.
c. Compare the copy to the original test page, and then navigate to:
Adjust Calibration Values > ADF Front Black
d. Adjust the values, and then touch Submit to save your changes. Increasing the value makes the
black level darker.
e. To check the changes, reload the original test page, and then repeat the Copy Quick Test. Repeat
the steps as needed until you are satisfied with the ADF Front settings.
•
Adjust the ADF Back:
a. Place the original test page facedown into the ADF, and select Copy Quick Test.
b. Compare the copy to the original test page, and then navigate to:
Adjust Calibration Values > ADF Back Black
c. Adjust the values, and then touch Submit to save your changes.
d. To check the changes, reload the original test page, and then repeat the Copy Quick Test. Repeat
the steps as needed.
•
Adjust the Flatbed:
a. Remove all pages from the ADF, and then load the original test page onto the flatbed scanner.
b. Select Copy Quick Test.
c. Compare the copy to the original test page, and then navigate to:
Adjust Calibration Values > Flatbed Black
d. Adjust the values, and then touch Submit to save your changes.
e. To check the changes, reload the original test page, and then repeat the Copy Quick Test. Repeat
the steps as needed.
7541-03x
4-205
Repair information