GRAPHTEC SignJet JS310-25ES, Service Manual, Page: 113 / 141

13. How to use the Print head position alignment jig
106 JS310-UM-251-9370
(5) Mount the print heads as shown in the picture below.
Rectangle hole for
mounting the print head
Print head
Attach the print head at lower left corner
of the rectangle hole.
Screws must be tightening
with following order.
1st
2nd
3rd
CAUTION:
When tightening the screws to the print heads, be sure to hold the jig from lower left direction to fit the
pins surely at the edge of frame.
Be sure that the printhead position alignment jig does not move during the alignment work.
(6) Remove the print head position alignment jig after you mount all print heads.
(7) Remove the foamed polystyrene that fixed the print head position alignment jig.
(8) Move the carriage to the cleaning position.
Move the carriage to the cleaning position.
(9) Remove the print head position alignment jig.
(10) Perform final adjustment of the printhead position alignment following to section 8. Print head Adjustment
Procedures.