Stratasys J750 User Manual page 60

Stratasys J750 User Guide
2. Loosen the screws securing the suction tube.
3. Lower the suction tube so that the hole in the panel behind the tube is
4. Attach the right-UV-lamp assembly to the print block and reconnect the
Replacing the You should replace the roller scraper blade—
Roller Scraper
• after 1,000 hours of printing.
• if it does not effectively keep the roller clean.
You should periodically test the effectiveness of the roller scraper when you
clean the roller waste collector. See "Cleaning the Roller Waste Collector and
Inspecting the Roller Scraper" on page 4-36.
To replace the roller scraper:
1. Prepare—
2. Remove the right UV lamp and the roller waste collector covering (see
3. Loosen the two screws securing the roller waste collector and pull it out.
DOC-08040 Rev. E
Figure 4-48 Suction tube correctly positioned
visible, and tighten the screws to secure the tube.
UV power and fan cables.
❒ a new roller scraper blade
❒ a Phillips 1x75 mm screwdriver
❒ a 2.5-mm and a 2-mm hex (Allen) key
steps 3 to 6 on page 4-36).
Figure 4-49 Removing the roller waste collector
4 Operating and Maintaining the Stratasys J750 3D Printer
4-39