Lexmark Optra Color 1200 Service Manual page 98

5050-001
Printhead Adjustment
X Position Adjustment (Horizontal)
Modification of this setting allows the users to adjust the color offset
of a color image for the line direction (X).
Changing this parameter by 1 unit moves the image 1/600 of an
inch. The x position can be set from -80 to 80. A positive offset
moves the plane up the page. A negative offset moves plane down
the page.
Note: Modification of the x position adjustment setting causes the
entire plane to move up/down on the page.
Y Position Adjustment (Vertical)
Modification of this setting allows the users to adjust the color offset
of a color image for the page direction (Y).
Changing this parameter by 1 unit moves the image 1 dot unit. The x
position can be set from -128 to 127. A positive offset moves the
plane to the right of the page. A negative offset moves the plane to
the left the page.
Note: Modification of the y position adjustment setting causes the
entire plane to more side to side on the page.
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.
Diagnostic Aids
3-13