Alignment Menu; Motor Tests - Lexmark X746de Service Manual

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Alignment Menu

Note: If you need to perform alignment or registration, see
The following information is meant to explain the uses for the menu items.
Alignment is part of the process of adjusting the printhead and the color planes to the black plane and to each
other. Before you start, perform the black alignment (Registration). See
If you are replacing a new printhead, see
To perform alignment:
Touch ALIGNMENT MENU from the Diagnostics Menu.
1.
2. Select one of the colors; cyan, yellow, or magenta.
Use to decrease or
3.
Continue for all colors; cyan, yellow, and magenta.
4.
Touch Submit.
5.
Note: It is important to zero out all settings to make the adjustment easier.
Touch Quick Test
6.
Quick Test printing... is displayed, and then two pages print.
7. On the pages, make sure all the Current Values are set to zero. If not, go back to step 2 and repeat.
Look at the coarse and fine adjustments on the top left of the page, and then enter the best number for the
8.
top adjustment in the T space. Transfer this number over to the computation area for Z.
On the touch panel, select Top Margin. Use
9.
and then touch Submit.
Repeat this process for skew (Z). Add the T value and the current Z value to obtain the new skew (Z)
10.
value.
Reprint the Quick Test page after each change, and then observe the results. Make additional adjustments
if necessary before proceeding on to Quick Test step two page.
11. Obtain left (L), right (R), and Bow (P) value using the same method as obtaining T from Quick Test Step 1.
Reprint the Quick Test to ensure the settings are correct. Make additional adjustments as required.
Press Back to return to ALIGNMENT Menu.
12.
See
"Printhead mechanical alignment" on page 4-10

Motor tests

The motor tests are run to locate noises in the printer and isolate failures between the motors, cables, and
system board.
General motor tests procedures
In some instances, when you enter a particular test, you will be given the choice to run the motor in forward or
reverse. Other times, there will only be the option to run the motor in forward direction.
In general, the test should work as follows:
Touch MOTOR TESTS from Diag Menu.
1.
Select the motor that you need to test.
2.
3. Check the table below for setup requirements, if any.
Select the direction if a choice is offered (Forward or Reverse) or other setting for that test.
4.
Press to stop the motor. Touch Back to return to the previous menu.
The following tests require special setup before running the test (not shown in the same order as the menu):
Service Manual
3-8
"Printhead removal, installation, and adjustment" on page
to increase the offset values, and then set the values to zero.
to decrease or
for printout samples and additional information.
"Printhead alignment" on page
"Printhead alignment" on page
to increase the computed value for T,
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