Chapter 5
5-20
5.3.6 Image Processing
5.3.6.1 Overview <iR7105/7095>
0011-2241
The PCBs used in the image processing system have the following functions:
CDD/AP PCB: CCD drive, analog image processing, A/D conversion
Reader controller PCB: shading correction, image data conversion (4 channels -> 2 channels)
F-5-43
1. Analog Image processing
- CCD drive
- CCD output gain correction, offset correction
- CCD output A/D conversion
F-5-44
[1] 1st half even-numbered pixel analog image signal [4] 2nd half odd-numbered pixel analog
image signal
[2] 1st half odd-numbered pixel analog image signal
[5] 1st half digital image signal
[3] 2nd half even-numbered pixel analog image signal [6] 2nd half digital image signal
CCD/AP PCB
Reader controller PCB
CCD
A/D
conversion
Analog
image
processing
Analog image processing block
Controller block
distal image processing block
shading processing
image data conversion
(4-system -> 2-system)
CCD
Analog image
process
- gain correction
- offset correction
A/D
conversion
Analog
image
signal
CCD/AP PCB
CCD drive
control
Gain correction
data
20bit
J101
J204
20bit
CCD control
signal
A12V
A5V
Gain correction
data
[2]
[1]
[2]
Analog image
process
- gain correction
- offset correction
[3]
[4]
[5]
[6]
[4] [3]
J102
J208
[1]
A/D
conversion
Содержание IMAGERUNNER 7095 PRINTER
Страница 20: ...Chapter 1 Introduction...
Страница 46: ...Chapter 2 Installation...
Страница 88: ...Chapter 3 Basic Operation...
Страница 94: ...Chapter 4 Main Controller...
Страница 116: ...Chapter 5 Original Exposure System...
Страница 165: ...Laser Exposure Chapter 6...
Страница 175: ...Chapter 7 Image Formation...
Страница 180: ...Chapter 7 7 3 7 3 Basic Sequence 7 3 1 Basic Sequence 0010 8038 F 7 3 ON ON WMUPR WMUP STBY OFF 100msec...
Страница 231: ...Chapter 8 Pickup Feeding System...
Страница 287: ...Chapter 9 Fixing System...
Страница 312: ...Chapter 10 External and Controls...
Страница 346: ...Chapter 11 MEAP...
Страница 350: ...Chapter 12 RDS...
Страница 360: ...Chapter 13 Maintenance Inspection...
Страница 375: ...Chapter 14 Standards Adjustments...
Страница 407: ...Chapter 15 Correcting Faulty Images...
Страница 433: ...Chapter 16 Self Diagnosis...
Страница 460: ...Chapter 17 Service Mode...
Страница 559: ...Chapter 18 Upgrading...
Страница 583: ...Chapter 19 Service Tools...
Страница 584: ...Contents Contents 19 1 Service Tools 19 1 19 1 1 Special Tools Table 19 1 19 1 2 Solvents Oils 19 2...
Страница 588: ...APPENDIX...
Страница 615: ......