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COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 5
LASER EXPOSURE SYSTEM
In this chapter the operation, purpose and function of the unit’s laser exposure
process, as well as the relationship between the electrical and mechanical systems, is
summarized. An overview of each part’s operation timing is also included.
I.
OVERVIEW..............................................5-1
II.
BD SIGNAL GENERATION .....................5-3
A. Overview ............................................5-3
B. BD generation / detection ..................5-3
III.
LASER DRIVER CIRCUIT .......................5-4
A. Operation ...........................................5-4
B. Laser light intensity control ................5-4
IV.
LASER SCANNER MOTOR
CONTROL................................................5-6
A. Operation outline................................5-6
V.
DISASSEMBLY, ASSEMBLY ..................5-7
A. Laser scanner unit .............................5-8
Содержание GP160
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