Copy sheet controlled selective duplicator

Claim 1

A DUPLICATOR COMPRISING, IN COMBINATION, A PRINTING ROLLER MEANS AND A PRESSURE ROLLER MEANS OPERABLE BETWEEN A POSITION OF REST AND PRINTING POSITION FORMING A PRINTING LINE; HOLDING MEANS ON SAID PRINTING ROLLER MEANS FOR HOLDING ON THE PERIPHERY OF SAME A PRINTING FORM HAVING CIRCUMFERENTIALLY ARRANGED PRINTING SECTIONS; FEEDING MEANS FOR FEEDING TO SAID PRINTING LINE COPY SHEETS HAVING MARKINGS THEREON REPRESENTING DIFFERENT PRINTING PROGRAMS RESPECTIVELY INCLUDING DIFFERENT COMBINATIONS OF SELECTED PRINTING SECTIONS OF THE PRINTING FORM; OPERATING MEANS FOR OPERATING SAID ROLLER MEANS TO ASSUME SAID PRINTING POSITION; A CONTROL DEVICE INCLUDING A PLURALITY OF CONTROL MEANS CORRELATED TO DIFFERENT PRINTING PROGRAMS, RESPECTIVELY, EACH CONTROL MEANS HAVING A PLURALITY OF CONTROL ELEMENTS RESPECTIVELY ASSOCIATED WITH SAID SELECTED PRINTING SECTIONS OF SAID PROGRAMS AND OPERATIVELY CONNECTED TO SAID OPERATING MEANS FOR CONTROLLING THE SAME TO OPERATE SAID ROLLER MEANS TO ASSUME SAID PRINTING POSITION WHEN THE PRINTING SECTIONS OF THE RESPECTIVE PRINTING PROGRAM PASS THROUGH SAID PRINTING LINE; AND SENSING MEANS FOR SENSING MARKINGS ON FED COPY SHEETS AND OPERATIVELY CONNECTED TO SAID CONTROL MEANS TO ACTUATE THE CONTROL MEANS CORRELATED WITH THE PRINTING PROGRAM CORRESPONDING TO THE MARKING SENSED BY SAID SENSING MEANS.