Stratasys J750 User Manual page 64

Stratasys J750 User Guide
9. For each column of lines, use a magnifying glass or loupe to inspect pairs
10. In the wizard screen shown in Figure 4-55, select the Transparency
11. In the head-alignment screen, select the number that indicates which
12. Click Next to display the next head alignment screen, and again select the
DOC-08040 Rev. E
of consecutive rows printed on the transparency to see where the vertical
lines align.
Figure 4-57 Comparing rows of alignment lines
Note: It does not matter which pair of lines you inspect, since they were all
printed by the same head. Choose a pair of clearly printed lines for the
inspection. (Since some nozzles may not print clearly, you may have to
inspect several pairs of lines to properly view the alignment.)
Optimum head alignment is shown when the fourth lines in the upper and
lower rows are aligned, Figure 4-57. In the example shown, no change to
the head alignment is necessary. If other lines in the set are aligned, you
need to change the alignment of that head—in the next wizard screens.
removed check box, and click Next.
The first in a series of alignment screens appears.
Figure 4-58 Head alignment selection
lines align in the upper and lower rows of a pair on the transparency
(counting from the left) for this print head.
Note: Because the alignment of the fourth lines is optimum, the number "4"
is selected, by default, in the wizard screen. This does not change the head
alignment. If you select other numbers, the wizard adjusts the head
alignment, accordingly.
number representing the most closely aligned vertical lines on the
transparency for that print head.
4 Operating and Maintaining the Stratasys J750 3D Printer
4-43