Kan. Stat. § 25-1122a
The county election officer of any county in which voting machines are used may authorize persons filing applications for advance voting ballots as provided by K.S.A. 25-1122, and amendments thereto, to cast their votes upon voting machines. If the county election officer authorizes the use of voting machines by advance voting voters such officer shall equip the office of the county election officer with enough voting machines to enable all advance voting voters to cast their votes upon such machines.
Such machines shall be of a make certified by the secretary of state and shall be sealed in a manner to allow tabulation of the total vote only at the time of the closing of the polls on the day of the election for which such machines are used.
K.S.A. 25-1122a