Lexmark C746n Service Manual page 187

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Look at the coarse and fine adjustments on the top left of the page, and enter the best number for the top
4.
adjustment in the T space. Transfer this number over to the computation area for Z.
5.
On the operator panel, use
setting computed for T. Press
Repeat this process for skew (Z). Add the T value and the current Z value to obtain the new skew (Z)
6.
value.
7.
Reprint the Quick Test page, and observe the results. Make additional adjustments if necessary before
proceeding on to Quick Test step two page.
Obtain left (L), right (R), and Bow (P) value using the same method as obtaining T from Quick Test Step 1.
8.
Reprint the Quick Test to ensure the settings are correct. Make additional adjustments as required.
Press
to return to ALIGNMENT MENU.
9.
Alignment (C748x)
To perform alignment:
Touch ALIGNMENT MENU from the Diagnostics Menu. Scroll until you reach the color that you desire to
1.
align. Go to each submenu, and use
Note: It is important to zero out all settings to make the adjustment easier.
2.
Scroll and touch Quick Test in the same color menu. Two pages print.
On the pages, make sure all the Current Values are set to zero. If not, go back two steps and repeat.
3.
Look at the coarse and fine adjustments on the top left of the page, and enter the best number for the top
4.
adjustment in the T space. Transfer this number over to the computation area for Z.
On the operator panel, touch Top Margin, and then use
5.
Touch
to save.
Repeat this process for skew (Z). Add the T value and the current Z value to obtain the new skew (Z)
6.
value.
Reprint the Quick Test page, and observe the results. Make additional adjustments if necessary before
7.
proceeding on to Quick Test step two page.
8.
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.
Touch Back to return to ALIGNMENT MENU.
9.
See
"Printhead mechanical alignment (C746)" on page 4-8
and
to locate Top Margin. Press
to save.
and
to zero out all settings.
for printout samples and additional information.
, and then use
or
to enter the setting computed for T.
Diagnostic aids
5026
Previous
or
to enter the
Next
Go Back
3-9

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