Stratasys J750 User Manual page 62

Stratasys J750 User Guide
7. Insert and tighten the roller scraper blade screws.
Important:
Tighten the screws in the order shown in Figure 4-53.
l
Use the new screws supplied in the replacement kit
l
8. After tightening the screws, inspect the blade and make sure that it is
9. Return the roller waste collector assembly and the right UV lamp to the
Aligning the You should check the alignment of the print heads—
Print Heads
• once a month
• after replacing one or more heads
• if model quality is not acceptable even after cleaning the orifice plate on
This procedure takes about 20 minutes.
To check the alignment of the print heads:
1. Prepare—
2. Start the Head Alignment wizard from the Options menu.
3. Click Next to begin, and close the cover.
4. In the wizard screen, select the check box to confirm that the cover is
DOC-08040 Rev. E
Figure 4-53 Tightening the roller scraper screws
straight. If necessary, loosen the screws and tighten them again, evenly.
print block. (See steps 4 to 6 on page 4-36 in "Cleaning the Roller Waste
Collector and Inspecting the Roller Scraper".)
the bottom of the print block (see "Cleaning the Print Heads, Roller and
Wiper" on page 4-32).
❒ a transparency sheet, A-4 or Letter size
❒ any type of adhesive tape, to fasten the transparency sheet to the build
tray
closed, and click Next.
4 Operating and Maintaining the Stratasys J750 3D Printer
4-41