Print Process - Canon Color imageCLASS MF9170c Service Manual

Chapter 7

7.1.2 Print Process

imageCLASS MF9170c / imageCLASS MF9150c / imageCLASS MF8450c
The print process is performed in 10 steps with five blocks.
A toner image is formed on paper when the steps in each block are executed in sequence.
1. Electrostatic latent image formation block
To form an electrostatic latent image on the photosensitive drum
Step 1: Pre-exposure
Step 2: Primary charging
Step 3: Laser beam exposure
2. Development block
To make the electrostatic latent image visible on the photosensitive drum surface with the contact development method
Step 4: Development
3. Transfer block
To transfer toner on the photosensitive drum to paper
Step 5: Attraction
Step 6: Transfer
Step 7: Drum separation
Step 8: ETB separation
4. Fixing block
To fix toner on paper
Step 9: Fixing
5. Cleaning block
To remove the residual toner on the photosensitive drum
Step 10: Drum cleaning
Print paper path
Direction of rotation
7-2
Delivery
Bk
Photosensitive
drum
Y
Photosensitive
drum
Photosensitive
Electrostatic latent
image formation
1. Pre-exposure
2. Primary charging
3. Laser beam exposure
: Block
: Step
Fixing
9. Fixing
8. ETB separation
7. Drum separation
6. Transfer
7. Drum separation
6. Transfer
Transfer
7. Drum separation
C
6. Transfer
drum
Cleaning
10. Drum cleaning
7. Drum separation
M
6. Transfer
Photosensitive
5. Attraction
drum
Registration
4. Development
Development
Cassette pickup
F-7-2
ETB
Manual tray pickup
0019-5013