Xerox 3400N Service Guide - Page 45

the xerographic process. It is important that the leading edge of the paper enters - 3400 process developer

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Page 45 highlights

5HJLVWUDWLRQ 6HQVRU The registration sensor has two purposes. First, it is used to monitor paper movement. If the paper takes too long getting to the sensor, or it stays at the sensor too long, the Print Engine Controller Board will shut down the printer and light both the Paper and Error LEDs on the control panel. Second, the signal generated by the sensor tells the Print Engine Controller Board that the paper is almost at the transfer area and it is time to start the xerographic process. It is important that the leading edge of the paper enters the transfer area at the same time that the leading edge of the drums developed image reaches the transfer area. Registration Actuator Paper Out Actuator Printer Bottom View Fuser Exit Sensor Actuator P3400-012 3ULQWHU 6HQVRUV 1RWH The registration and paper out sensors are mounted on the Print Engine Controller Board. The Fuser Exit sensor is mounted on the rear frame. 34 Xerox Phaser 3400 Printer Service Guide

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34
Xerox Phaser 3400 Printer Service Guide
5HJLVWUDWLRQ±6HQVRU
The registration sensor has two purposes. First, it is used to monitor paper movement. If
the paper takes too long getting to the sensor, or it stays at the sensor too long, the Print
Engine Controller Board will shut down the printer and light both the Paper and Error
LEDs on the control panel. Second, the signal generated by the sensor tells the Print
Engine Controller Board that the paper is almost at the transfer area and it is time to start
the xerographic process. It is important that the leading edge of the paper enters the
transfer area at the same time that the leading edge of the drums developed image reaches
the transfer area.
1RWH
The registration and paper out sensors are mounted on the Print
Engine Controller Board. The Fuser Exit sensor is mounted on the
rear frame.
3ULQWHU±6HQVRUV
P3400-012
Registration
Actuator
Paper Out
Actuator
Fuser
Exit Sensor
Actuator
Printer
Bottom
View