Develop QC 2235 Plus Service Manual page 263

QC 2235plus Theory of Operation Ver.1.0 Mar. 2004
2.2 Side registration operation
• The Side registration drive for the Punch Slide Unit is made by the Side Registration
Motor.
• The Home position of the Punch Slide Unit is detected with the Side Registration Home
Position Sensor.
• The Punch Slide Unit detects the trailing edge of the paper with the Trailing Edge Detec-
tion and the Side Registration Sensors and then moves to the position of the trailing edge
according to the size of the paper. And paper edge is detected by means the LED light
emitted from LED Board and received by the Photo Sensor Board.
• Combine this and the next two slides into one transitional slide.
A. Operation 1
1. Trailing Edge Detection Sensor detects paper leading edge.
2. Side Registration Motor rotates.
3. Punch Slide Unit moves toward front side.
Side Registration Home
Position Sensor (PI2P-PK)
Punch Slide Unit
Trailing Edge
Detection Sensor
Side Registration Sensor 4
Trailing Edge Detection Sensor
Paper
Side Registration Motor (M2P-PK)
Photo Sensor Board (PWB-C PK)
LED Board (PWB-D PK)
Paper Exit
Side Registration Sensor 3
2-3
Mechanical operations
Paper
Side Registration Sensor 2
Side Registration Sensor 1
Photo Sensor Board
LED Board