Side registration operation
The side registration operation detects the trailing edge of paper by the side registration sensor and
trailing edge sensor, and moves the hole punch slide assembly to the proper punching position
according to the paper size.
The side registration sensor and the trailing edge sensor consist of 5 sets of sensors on the paper
path of the hole puncher assembly inlet. The photo sensors are located upper side and the LEDs are
located lower side so that the paper passes through between them.
Operational sequence of the side registration operation is as follows:
1. When the trailing edge sensor detects the leading edge of paper, the hole punch controller
drives the side registration motor so that the hole punch slide assembly moves toward front side
of the stapler/stacker from its home position.
M62
Paper feed direction
Punch slide ass’y
Trailing edge sensor
(LED5, PTR5)
PI61
2. The side registration sensor detects the side edge of paper according to the MEDIA SIZE signal
sent from the product.
146 Chapter 1 Theory of operation ENWW
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