{TAIL ~ The control system} 1 including means for enabling the photoconductive web conveying means when said first sensing means is disabled and said second sensing means is enabled for {HEAD ~ a period} equal to said first count and means for disabling said photoconductive web conveying means and enabling said knife following said period 
{ TAIL ~ The control system } 1 including means for enabling the photoconductive web conveying means when said first sensing means is disabled and said second sensing means is enabled for { HEAD ~ a period } equal to said first count and means for disabling said photoconductive web conveying means and enabling said knife following said period
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH