Lexmark 4I3 - Manual (Page 94)

3. Adjust the right tractor as necessary:
Unlock and move the tractor toward the left side of the
printer to loosen the tension on the forms.
Unlock and move the tractor toward the right side of the
printer to tighten the tension on the forms.
L e ft M a r g in L e ft M a r g in R ig h t M a r g in R ig h t M a r g in
Correct Incorrect
4. Lock the tractor.
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