Lexmark MS610dn Manual page 12

General information 12
For the following printers, make sure perforations fall outside the 0.3–0.79‑inch area on the leading edge of the media:
Optra S, Optra T, T520, T522, T620, T622, T630, T632, T634, T640, T642, T644, T650, T652, T654, T656dne, X203, X204,
X264, X363, X364, X463, X464, X466, X543, X544, X546dtn, X560n, X642e, X644e, X646e, X651, X652, X654, X656, X658,
X734, X736, X738.