Scanner Calibration; Scanner Registration - Lexmark X422 Laser MFP Service Manual

Scanner calibration

Select Calibration from the scanner tests in the diagnostics menu.
See "Diagnostic mode menu settings" on page 3-6
information. After diagnostics is exited, the calibration test is
performed automatically on the next MFP POR.
Perform the scanner calibration when:
•
The ADF assembly, CCD, RIP card or SCU card is replaced.
•
NVRAM is reset.
•
The operator panel is replaced.

Scanner registration

Automatic registration
Note: Before performing scanner registration, ensure MFP
registration and alignment is properly set. See
alignment adjustment" on page 4-2
registration adjustment" on page 4-4
1. Place a white piece of paper (A4 or letter) on the flatbed.
2. Place a colored piece of paper in the ADF, making sure the
edge guides are properly adjusted.
Note: Use a light blue sheet of paper for the ADF registration. Product
Assurance obtained the best results using Cascade MP Colors Blue
20 lb. paper (Boise Cascade part P1-MP-2201-BE). A moderate
density blue paper should work if this paper cannot be found.
3. Select Registration from the scanner tests menu in the
diagnostics menu.
4. Select Auto Detect.
5. Specify the size of the colored paper, in the ADF.
6. The machine performs a POR.
7. When the machine completes POR, the test runs, the display
indicates the test is active.
8. After the registration test is complete, success or failure is
indicated on the display.
9. Verify the results by running a copy of a quick test page created
during MFP registration. See
more information.
and
for more information.
"Print tests" on page 3-6
Repair information
7001–001
for more
"Printhead
"Printhead
for
4-5