4. Release the sprocket lock levers by pushing them up.
5.Facing the back of the printer, position the left sprocket unit so that the sprocket pins are to the left of the “0” on the scale and the arrow mark on the printer. Then push down the lock lever to lock the sprocket in place.
arrow mark
scale
Note:
Printing starts at the arrow mark on the printer and the “0” mark on the scale. The unprintable area is to the left of the arrow mark and the “0”.