Canon GP605 - Operations; Outline

COPYRIGHT © 1999 CANON INC. CANON GP605/605V REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
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CHAPTER 5 LASER EXPOSURE SYSTEM
I . OPERATIONS
A. Outline
Volume 4>Chapter 4>I.A. "Outline"
Table 5-101 Major Functions
Laser intensity control
Item
Description
[1] APC control
[2] Optimum intensity control to suit the surface potential of the drum
[1] Constant speed rotation control
[2] Full-speed/wait rotation switching
Main scanning direction: by BD signal (based on laser B)
Sub scanning direction: by PTOP signal
(image leading edge signal in page memory)
By 2 laser semiconductors (laser A, B)
Laser scanning
Synchronization control
Laser scanner motor
control