PROGRAMMING CONTROL SYSTEM FOR PRINTING MACHINE

摘要

A programming control system for controlling the processing steps of an electrostatic printing machine of the type employing an endless photoreceptor belt. A photoreceptor speed sensitive element in the form of a transfer roller is utilized for resetting on complete machine timing cycle of processing operation. This cycle, called pitch is applied to the belt and comprises a predetermined number of electrical pulses some of which control machine events.