4.Release the left and right sprockets by pulling the sprocket lock levers forward.
front of the printer
5.Slide the left sprocket to the left margin of the paper using the scale on the printer. (Printing starts at the “0” mark.) Then push the lever back to lock it in place.
front of the printer
Note:
See Appendix C, “Paper alignment” and “Printable area,” for more information on the left margin position.