GRAPHTEC SignJet JS310-25ES Service Manual page 84

(5) Align the vertical lines for the front and rear print head.
(a) Use the Try utility to make adjustments so that the vertical lines are perfectly aligned in the vertical
direction.
(b) Click the "More" button from the Print Setup menu to display the Important Setup menu.
(c) The "Warning: Change these parameters carefully!" message is displayed. Click "Yes".
(d) Adjust the Horizontal Space of Important Setup menu to become straight line for the rear and front print
head.
The line printed
by the print head
of rear.
The line printed by
the print head of
front.
Adjust these value to move horizontal printing
position of the front print head.
Increasing the value:
Print position is moved to right.
Decreasing the value:
Print position is moved to left.
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8. Print Head Adjustment Procedures