COPYRIGHT
©
1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 3
EXPOSURE SYSTEM
In this chapter the purpose and functions of the unit’s scanner system drive and doc-
ument sensors, etc. as well as the relationship between the electrical and mechanical
systems is summarized. An overview of each parts operation timing is also included.
I. OPERATION OVERVIEW........................3-1
A. Overview ............................................3-1
B. Exposure system sequence...............3-2
II. SCANNER DRIVE SYSTEM....................3-3
A. Document scanner motor...................3-3
B. Charging the magnification ratio ........3-4
C. Scanning lamp control .......................3-4
III. DISASSEMBLY, ASSEMBLY ..................3-5
A. Scanning lamp ...................................3-6
B. Document scanning motor .................3-8
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