Voting machines may be equipped with a device for printing or photographing the counters prior to the opening and after the closing of the polls and shall:
(1) Provide facilities for voting for nominated candidates, for persons not in nomination, and upon such questions or measures as may be submitted to the registered voters;
(2) Permit each voter to vote for as many persons for any office as he or she is entitled to vote for and to vote in primary elections for candidates for nomination by the political party with which he or she is affiliated;
(3) Preclude each voter from voting for more persons for any office than he or she is entitled to vote for, from voting more than once for the same candidate or upon the same measure or question submitted to the voters, or from voting the ballot of more than one political party in any primary election;
(4) Permit each voter to change his or her vote for any candidate or upon any measure or question up to the time he or she begins the final procedure to register his or her vote;
(5) Permit and require voting in absolute secrecy;
(6) Be constructed and controlled so that no person can see or know for whom any other voter has voted or is voting except a person who is providing the registered voter assistance in voting pursuant to section 32-918 and so that no unauthorized person may see or know the number of votes registered for any candidate, measure, or question or tamper with any registering mechanism;
(7) Be constructed so that when properly operated it registers or records correctly and accurately every vote cast; and
(8) Be constructed and operated so that the registered voter may readily learn the method of operating it.