Stratasys J750 User Manual page 152

Stratasys J750 User Guide
3. Open the panel and disconnect the ground (earth) wire.
4. Remove the panel.
5. Identify the waste pump that requires tube replacement.
DOC-08010 Rev. E
Figure 6-112 Ground wire connected to panel
Figure 6-113 Waste pumps
6 Operating and Maintaining the J750 3D Printer
6-73