GRAPHTEC FCX4000 Service Manual page 134

(9) When the RIGHT ARROW key is pressed, the drawing pattern size is able to select.
Press the F1 or F2 to select the drawing size.
The following menu is displayed after the drawing size was selected.
When inputting the recorded values
(10) If you have replaced the main board only, use the recorded values (The recorded values of X, Y, XY(Z).
These values were measured based on the 400 x 300 size.).
Press the F2 key (X=) to input the X-axis distance adjustment value.
Press the ENTER key to set value.
Press the F3 key (Y=) to input the Y-axis distance adjustment value.
FCX4000-UM-251-9370
8 ELECTRICAL ADJUSTMENTS
8-23