Canon PC400 Service Manual page 43

EXPOSURE SYSTEM
This chapter outlines the machine's copyboard drive and scanning lamp control
systems in relation to mechanisms and functions, relationship between electrical and
mechanical systems, and the timing of operation of respective parts.
I. EXPOSURE/COPYBOARD DRIVE
SYSTEM ......................................3-1
A. Outline of Exposure System ...3-1
B. Copyboard Drive System........3-1
II. Controlling the Scanning Lamp....3-7
A. Outline ....................................3-7
COPYRIGHT © 1998 CANON INC.
CHAPTER 3
CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
B. Operations ..............................3-8
C. Controlling the Intensity of the
Scanning Lamp (VR604) ........3-8
III. MECHANICAL SYSTEM..............3-9
A. Scanning System..................3-10
B. Copyboard Drive Assembly...3-11
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