Stratasys J750 User Manual page 80

Stratasys J750 User Guide
13. Remove the driver card by releasing the latch at the points shown.
14. Release the upper and lower screws that secure the print head in the
DOC-08040 Rev. E
Figure 4-84 Releasing the driver-card latch
block. (If necessary, you may use a 4-mm hex (Allen) key to loosen the
screws.)
Figure 4-85 Releasing the print-head locking screws
4 Operating and Maintaining the Stratasys J750 3D Printer
4-59