Chapter 5
5-10
F-5-19
2. ADF Being Opened
No.1 mirror base: moves to a specific point of original detection
scanning lamp: off
original sensor: off
F-5-20
3. ADF Being Closed
No. 1 mirror base: at point of original detection
scanning lamp: off -> on
original sensor: original detection operation
- When the ADF is at 25 deg or lower, the external light within the width of any original is kept out of external light, thus causing the machine to assume the absence
of an original at points of external light detection (external light search operation).
The ADF open/closed sensor 2 identifies the state as being "closed," and the machine starts original size detection.
Here, B5, B4, A4, and A3 are eliminated from the list of possible sizes.
- When the external light search is over, the machine turns on the xenon lamp for the main scanning lamp, and checks the CCD (4 points) for external light. For sub
scanning direction, the machine starts to operate the original sensor.
F-5-21
F-5-22
4. ADF Fully Closed (5 deg or less)
No. 1 mirror base: at point of original detection
scanning lamp: on
original sensor: original detection operation
The machine looks for a change in the output level of individual sensors for a period of 2 sec after the ADF open/closed sensor 1 has identified the current state
as being "closed." The absence of a change in the level causes the machine to assume the presence of an original at the point in question.
The machine uses the combination of changes in the levels of 5 points to identify the size of the original in question.
F-5-23
5. In a Wait State (for a press on the Start key)
No.1 mirror base: at point of original detection
scanning lamp: off
original sensor: off
F-5-24
CCD point of original detection
Scanning lamp
Original sensor
Reader unit
ADF
Point of detection 1
Point of detection 2
Point of detection 3
Point of detection 4
Platen
glass
(external
light)
(external
light)
25
5
Содержание imageRUNNER 5065 series
Страница 1: ...Feb 26 2007 Service Manual iR5075 5065 5055 Series ...
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Страница 27: ...Chapter 1 Introduction ...
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Страница 53: ...Chapter 2 Installation ...
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Страница 98: ...Chapter 2 2 42 ...
Страница 99: ...Chapter 3 Basic Operation ...
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Страница 109: ...Chapter 4 Main Controller ...
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Страница 129: ...Chapter 5 Original Exposure System ...
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Страница 163: ...Chapter 6 Laser Exposure ...
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Страница 173: ...Chapter 7 Image Formation ...
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Страница 211: ...Chapter 8 Pickup Feeding System ...
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Страница 263: ...Chapter 9 Fixing System ...
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Страница 307: ...Chapter 10 External and Controls ...
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Страница 321: ...Chapter 10 10 9 F 10 8 ...
Страница 345: ...Chapter 11 MEAP ...
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Страница 389: ...Chapter 12 RDS ...
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Страница 399: ...Chapter 13 Maintenance and Inspection ...
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Страница 411: ...Chapter 14 Standards and Adjustments ...
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Страница 441: ...Chapter 15 Correcting Faulty Images ...
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Страница 471: ...Chapter 16 Self Diagnosis ...
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Страница 493: ...Chapter 17 Service Mode ...
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Страница 553: ...Chapter 18 Upgrading ...
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Страница 572: ...Chapter 18 18 16 F 18 29 2 Click Start F 18 30 3 When the session has ended click OK ...
Страница 587: ...Chapter 18 18 31 F 18 59 2 Select the data to download F 18 60 3 Click Start ...
Страница 589: ...Chapter 19 Service Tools ...
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Страница 591: ...Contents Contents 19 1 Service Tools 19 1 19 1 1 List of Special Tools 19 1 19 1 2 List of Solvents Oils 19 1 ...
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Страница 595: ...Feb 26 2007 ...
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