Lexmark Optra Color 1200 Service Manual page 102

5050-001
Theta Position Adjustment (Alignment of the curve of the
horizontal position over the length of the line)
Modification of this setting allows the users to adjust the color offset
of a color image for the line direction and page direction (X and Y).
Changing this parameter by 1 unit moves the image 1 dot unit. The
theta position can be set from -128 to 127. A positive offset moves
the plane down the page from left side to right side of the page. A
negative offset moves the plane up the page from left side to the
right side of the page.
Light Quantity
If you replace one or more of the printheads, or the EEPROM for the
engine controller, the Light Quantity value must be set to the value
that is marked on the printhead.
To set this value:
1. Select Diagnostic Mode.
2. Select Printer Setup.
3. Select Light Quantity.
Enter the value from the label on the printhead.
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Service Manual