Bindery system capable of testing its own inspection and control device

Abstract From the Canadian patent

A collating apparatus for assembling a magazine from a plurality of signatures has a conveyor movable successively through a plurality of signature feeding stations and includes feeder sensors for sensing malfunctions of each feeding station. A rejection station following the last signature feeding stations rejects magazines for which any of the feeder sensors sensed a malfunction. Another sensor at an inspection station following the rejection station senses the presence or absence of a magazine and compares the results with a malfunction-data record to monitor the performance of the rejection station. After a predetermined number of magazines have been assembled a test, of the operability …