Epson LQ-2070 User Manual page 105

2. Remove the screws securing the shield plate to the back of the
printer and remove the plate.
3. Slide the interface card along the slots on both sides of the
interface compartment. Push it in firmly to make sure you
fully insert the connector at the back of the interface card
into the printer's internal socket. Then re-insert the screws
and tighten them.
To remove the interface card, reverse the steps above.
Using Printer Options
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