Chapter 6
6-3
6.2 Image Formation Process
6.2.1 Image Formation Process
0020-4091
The image formation system of this machine consist of a primary charging roller, a drum unit integrated with a drum cleaner, a toner bottle, a developing assembly,
a transfer charging roller, and so on.
The image formation process of this machine is composed of the following five blocks (7 steps):
[1] Electrostatic latent image formation block
Step 1: Primary charging (AC & Minus DC)
Step 2: Laser exposure
[2] Developing block
Step 3: Developing (AC & Minus DC bias)
[3] Transfer block
Step 4: Transfer (Plus DC)
Step 5: Separation (Minus DC)
[4] Fixing block
Step 6: Fixing (Minus DC bias)
[5] Drum cleaning block
Step 7: Drum cleaning
F-6-2
7. Drum cleaning
1. Primary charging
2. Laser beam exposure
3. Development
4. Transfer
5. Separation
Cassette pickup
Manual feed pickup
Registration
6. Fixing
Delivery
3. Transfer block
4. Fixing block
2. Developing block
5. Drum cleaning block
1. Electrostatic latent
image formation block
Rotational direction of
photosensitive drum
Paper flow
Summary of Contents for iR2422 series
Page 1: ...May 12 2014 Service Manual iR2422 2420 2320 2318 Series...
Page 2: ......
Page 6: ......
Page 16: ...Contents...
Page 17: ...Chapter 1 Introduction...
Page 18: ......
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Page 50: ......
Page 51: ...Chapter 2 Installation...
Page 52: ......
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Page 58: ...Chapter 2 2 4 7 Left cover front 15 Right cover upper 8 Manual feed tray 16 Right cover lower...
Page 62: ...Chapter 2 2 8 8 Manual feed tray 16 Right cover lower...
Page 64: ...Chapter 2 2 10 8 Manual feed tray 16 Right cover lower...
Page 89: ...Chapter 2 2 35...
Page 90: ......
Page 91: ...Chapter 3 Main Controller...
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Page 103: ...Chapter 4 Original Exposure System...
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Page 135: ...9 Remove the reader heater left 1 Connector 2 1 pc Screw 3 1 pc F 4 73 2 3 1...
Page 136: ......
Page 137: ...Chapter 5 Laser Exposure...
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Page 148: ...Chapter 5 5 8...
Page 149: ...Chapter 6 Image Formation...
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Page 165: ...Chapter 7 Pickup Feeding System...
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Page 192: ...Chapter 7 7 24...
Page 193: ...Chapter 8 Fixing System...
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Page 207: ...Chapter 9 External and Controls...
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Page 229: ...Chapter 10 Maintenance and Inspection...
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Page 235: ...Chapter 11 Standards and Adjustments...
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Page 240: ...Chapter 11 11 2...
Page 241: ...Chapter 12 Correcting Faulty Images...
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Page 257: ...Chapter 13 Self Diagnosis...
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Page 269: ...Chapter 14 Service Mode...
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Page 287: ...Chapter 15 Upgrading...
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Page 295: ...Chapter 16 Service Tools...
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Page 301: ...Chapter 17 Backup Data...
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Page 303: ...Contents Contents 17 1 Backup Data 17 1...
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Page 307: ...May 12 2014...
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