Epson LQ-860 User Manual page 183

2. Remove any installed printer options such as the pull tractor or
the cut sheet feeder. Then, open the paper guide cover and
remove the paper guide.
3. Turn the printer around so the back is facing you.
4. Using a cross-head screwdriver, remove the retaining screw
securing the interface board cover.
5. Pull the interface board cover toward you and remove it.
5-46 Using the Printer Options