Canon PC430 - Chapter 4 Image Formation System; Image Formation System

COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
1
CHAPTER 4
IMAGE FORMATION SYSTEM
I. PROCESS DESCRIPTION..........4-1
A. Outline ....................................4-1
B. Sequence of Image Formation
Operations (A4, 2 copies).......4-2
C. Primary Charging Control Circuit
................................................4-3
D. Controlling Developing Bias....4-6
E. Transfer Charging Control Circuit
..............................................4-10
F. Document Density Measurement
(AE; PC420/430/FC220).......4-14
II. CHARGING, DEVELOPING, AND
CLEANING SYSTEMS ..............4-17
A. Cartridge...............................4-17
III. MECHANICAL SYSTEM............4-18
A. Photosensitive Drum.............4-19
B. Transfer Charging Roller.......4-20
This chapter outlines the machine's image formation system in relation to
mechanisms and functions, relationship between electrical and mechanical systems,and
the timing of operation of respective parts.