Epson ActionPrinter L-750 User Manual page 102

6. Detach the shield plate from the back of the lower case. This
plate is firmly wedged into place; to remove it gently pull out
on the side of the printer case until there is enough of a gap to
remove the plate.
7. Using a cross-head screwdriver, remove the screw labelled CG
from the main board. Then set it aside in a safe place.
The Interface Boards
Appendix A-5