Epson ActionLaser 1600 - Manual (Page 12)

7. Pull the tab on the bottom of the bracket to remove the
controller board, as shown below.
Warning:
Avoid touching the electrical components that are exposed
after you remove the controller board. They may be very
hot if the printer has been used recently.
8. Grasp the board with both hands and pull it straight out of
its slot.
9. Place the controller board on a clean, stable surface.
1-4 Setup