Epson LQ-510 User Manual page 164

The Interface Boards
3. Secure the board with the screws provided.
4. For all interface boards except #8l43 New Serial Interface board,
set the DIP switches on the interface board according to the
manual accompanying it. If you have the #8143, see page 5-41.
Attaching the interface board cover
I. Bend back the hinge plate on the interface board cover as shown
below.
Note: When you reattach the interface board, rebend the plate
to cover the opening. The plate is sturdy, but be careful not to
subject it to excessive bending.
5-40
Using the Printer Options