Epson LQ-2170 User Manual page 59

5. Slide the left sprocket to the left margin of the paper using the
scale on the printer as shown below. (Printing starts at the "0"
mark. See the Appendix for more information on the left
margin position.) Then slide the right sprocket to match the
width of your paper, but do not lock it.
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.
Paper Handling
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