CHAPTER 3 LASER EXPOSURE SYSTEM

4 Controlling the Laser Scanner Motor

4.1 Outline

Part 2> Chapter 4> 4.1 “Outline”

The following items are related to laser scanner motor control:

[1]Laser scanner motor drive signal; when ‘1’, the laser scanner motor goes ON (turning on/off the motor).

[2]Laser scanner motor ready signal; when ‘0’, the laser scanner motor rotates at a specific speed.

 

 

J312

DC controller

B9

 

PCB

B10

 

 

 

 

 

Main power

 

 

2

supply PCB

1

J204

 

 

Laser scanner motor unit

[2]

J3128

Speed

Motor

4

control

[1]

driver

3

circuit

GND

 

2

 

 

+24V

 

 

1

 

 

 

 

 

 

 

Reference

 

 

 

pulse

M10

 

 

generation

 

 

 

circuit

Laser scanner

 

 

 

 

 

 

motor

 

F03-401-01

 

E110

Indicates the presence of an error in the laser scanner motor.

COPYRIGHT © 2001 CANON INC.

CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001

3-7 P

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Image 161
Canon IR2200, IR3300, IR2800 manual Controlling the Laser Scanner Motor, Part 2 4.1 Outline