Canon np6330 서비스 매뉴얼

I.

PROCESSES .....................................4-1
A. Outline ...........................................4-1
B. Basic Sequence of Operations

(image formation) ..........................4-2

C. Controlling the Scanner Lamp.......4-3
D. Controlling the Primary/

Transfer Corona Current 
and the Grid Bias ..........................4-5

E. Controlling the Static Eliminator

Bias/Fixing Roller Bias ..................4-9

F. Controlling the Developing Bias ....4-11
G. Controlling Blank Exposure ...........4-14
H. Mesuring the Density of 

Originals ........................................4-16

I. Cleaning the Transfer Charging 

Wire ...............................................4-19

II.

DEVELOPING ASSEMBLY/
DRUM CLEANER...............................4-21
A. Outline ...........................................4-21
B. Detecting the Level of Toner and

Controlling the Supply ...................4-23

C. Stopping the Hopper Motor in

Response to a Rotation Error........4-24

III.

DISASSEMBLY AND ASSEMBLY......4-25
A. Scanning Lamp Assembly.............4-25
B. Blank Exposure Lamp Assembly ..4-28
C. Drum Unit ......................................4-34
D. Charging Assembly .......................4-36
E. Developing System .......................4-42

This chapter describes the outline of the purposes, roles and operations of image
formation process, the relationship between electric system and mechanical system
and the operational timing of each component.

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