GRAPHTEC SignJet JS310-25ES Service Manual page 87

(4) Use the Try utility to adjust the spacing between print heads of a different color.
Follow the procedure described below to align the magenta lines with the cyan lines.
(a) Use the Try utility to make adjustments so that align the magenta lines with the cyan lines.
(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 and Vertical Space of Important Setup menu to align the magenta lines with
the cyan lines.
(e) Increase or decrease the setting values until the magenta lines are aligned on top of the cyan lines.
(f) Print the adjustment pattern once again and check the results of the adjustments made.
(g) Repeat the printing and adjustment procedures until all the colors are aligned.
(5) Perform adjustments for the yellow and black print heads in the same way.
JS310-UM-251-9370
8. Print Head Adjustment Procedures
Adjust the horizontal space for the
front head and rear head of magenta.
At this time, increase and decrease
the adjustment value of a front head
and rear head at equal value.
Adjust the magenta line to on the cyan line.
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Adjust the vertical space
for the head of magenta.
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