Lexmark 13P0150 - C 750dtn Color Laser Printer, Service Manual

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Diagnostic Aids
3-19
5060-XXX
ITU Alignment
This alignment is required anytime you replace the ITU Assembly.
1.
Enter the Configuration Menu Group by pressing Select and Return at POST.
2.
Select ITU Alignment from the Configuration Menu Group.
3.
A test page is printed after ITU Alignment is selected.
4.
After the test page prints, enter alignment values for each alignment setting.
Example: A Alignment
=1.5*
The alignment values range from -7 to + 7 in 0.5 increments (0*).
5.
Press Select to continue to the next alignment value.
6.
To cancel the alignment procedure press Go or Return.
Setting Printer Alignment
1.
Enter the Diagnostic Mode.
2.
Select Alignment for Cyan, Yellow, or Magenta.
The following screen is displayed:
T=sxx* R=sxx*
L=sxx* Z=sxx*
T=Top Margin Offset (-128 to +127)
L=Left Margin Offset (-300 to +300)
R=Right Margin Offset (-300 to +300)
Z=Theta Offset (Skew compensation) (-16 to +16)
s=sign for negative values (this space is blank for positive values)
xx=margin value.
*=Default Value
3.
Run an Alignment Test Page before changing any of the settings.
4.
When the alignment screen is displayed the Top Margin sign/value pair flashes. To
Change the value, press Menu. Once the desired value is displayed, press Select to
save the value and move to the next value. The margin values blink in the following
order: Top, Left, Right and Theta. To skip a margin value, because its value is
correct, press Select. The default value remains the same.
5.
If Return is selected and you exit the alignment menu after a margin value has been
changed but not saved, then the default value is not changed. However, if the
Alignment Test page is requested after a margin value has been changed but not
saved, then the default value is changed and the Alignment Test Page is printed
using the new value.