Epson LQ-2170 User Manual page 59

6. Make sure your paper has a clean, straight edge. Then open the
sprocket covers and fit the holes of the paper over the tractor
pins.
7. Close the sprocket covers.
8. Slide the right sprocket to remove any slack in the paper; then
lock it in place.
9. Attach the front paper guide.
10. Slide the left and right edge guides to the center of the paper
guide.
2-14 Paper Handling