Canon NP6621 Manual De Usuario

3–1

OPERATIONS AND TIMING

CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)

I. BASIC OPERATIONS

A. Functional Construction

The machine can be divided into four functional blocks: pick-up/feeding system, exposure system, image

formation system, and control system.

Figure 3-101

Control system

Control panel

Control circuit

Tray

Fixing

assembly

Feeding

assembly

Duplexing

unit

Drum

cleaning

assembly

Primary corona

assembly

Optical

path

assembly

Photosensitive

drum

Separation

Transfer

Pick-up/feeding
system 1

Pick-up/feeding
system 3 (accessory)

Copyboard

Exposure system

Illuminating

assembly

Image formation

system

Developing

assembly

Pick-up

control

assembly

Cassette 1

Cassette 2

Cassette

Unit

Cassette

Unit

Cassette

Unit

Manual feeding

assembly

Flow of high voltage/toner

Flow of paper

Flow of light

Flow of electrical signals