Stratasys J750/J735/J720 User Guide
4 Operating and Maintaining the Printer
DOC-08040 Rev. R
4-68
13. Remove the driver card by releasing the latch at the points shown.
Figure 4-93 Releasing the driver-card latch
14. Release the upper and lower screws that secure the print head in the block.
(If necessary, you may use a 4-mm hex (Allen) key to loosen the screws.)
Figure 4-94 Releasing the print-head locking screws