Canon NP6412 Service Manual page 32

CHAPTER 1 GENERAL DESCRIPTION
The machine's image formation process consists of the following seven steps:
Step 1 Pre-exposure
Step 2 Primary charging (negative DC)
Step 3 Image exposure
Step 4 Development (AC + negative DC)
Step 5 Transfer (negative DC)
Step 6 Separation (curvature separation + static eliminator; positive DC)
Step 7 Fixing
Step 8 Drum cleaning
Delivery
1-20
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Static latent image formation block
2. Primary charging
1. Pre-exposure
8. Drum cleaning
7. Fixing 6. Separation
: Flow of copy paper
: Rotation of the photosensitive drum
Figure 1-602
CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
3. Image exposure
4. Development
5. Transfer
Registration
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