Chapter 5
5-11
5.3.3 Enlargement/Reduction
5.3.3.1 Magnifications in Main Scanning Direction
0019-4642
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
In book mode/ADF mode
An image is read at 100% in main scanning direction. Magnification variation and its data process are controlled on main controller PCB.
5.3.3.2 Magnification in Sub Scanning Direction
0019-4643
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
To vary the magnification of sub scanning direction, the machine operates as below depending on the original reading methods and the magnifications.
1) Magnifications in book mode
To suite the selected rate of magnification, the machine changes the speed of original reading and executes data processing on reader controller PCB/ main con-
troller PCB.
e.g.) Reduction to 25%: an original is read at 260mm/s, and the data is processed for 50% reduction (skipping for 2/1) by the reader controller PCB and for 50%
reduction (skipping for 2/1) by the main controller PCB.
e.g.) at 100%: an original is read at 260mm/s.
T-5-1
2) Magnifications in ADF mode
To suite the selected rate of magnification, the machine changes the speed of original reading and executes data processing on reader controller PCB/ main con-
troller PCB.
e.g.) Reduction to 25%: an original is read at 260mm/s and the data is processed for 50% reduction (skipping 2/1) by the reader controller PCB and for 50%
reduction (skipping 2/1) by the main controller PCB.
e.g.) Enlargement to 200%: an original is read at 130mm/s and the data is processed for 100% direct reproduction by main controller PCB.
T-5-2
Operation
Magnifications
25% to 50%
50.1% to 199.9%
200% to 400%
Speed change of original reading (mm/sec)
260
260
130
Digital magnification process (%) on the
reader controller PCB
50
100
100
Digital magnification process (%) on the
main controller PCB
50 to 100
50.1 to 199.9
100 to 200
Operation
Magnification
25% to 50%
50.1% to 199.9%
200%
Speed change of original reading (mm/sec)
260
260
130
Digital magnification process (%) on the
reader controller PCB
50
100
100
Digital magnification process (%) on the
main controller PCB
50 to 100
50.1 to 199.9
100
Содержание iR3245
Страница 1: ...Jul 3 2008 Service Manual iR3245 3235 3230 3225 Series...
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Страница 25: ...Chapter 1 Introduction...
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Страница 65: ...Chapter 2 Installation...
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Страница 121: ...Chapter 3 Basic Operation...
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Страница 129: ...Chapter 4 Main Controller...
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Страница 134: ...Chapter 4 4 2 F 4 1 1 5 8 9 11 14 12 3 4 10 2 13 7 15 16 17...
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Страница 153: ...Chapter 5 Original Exposure System...
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Страница 185: ...Chapter 6 Laser Exposure...
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Страница 197: ...Chapter 7 Image Formation...
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Страница 227: ...Chapter 8 Pickup Feeding System...
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Страница 244: ...Chapter 8 8 12 For iR3245 3235 3230 F 8 14 1 2 3 4...
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Страница 279: ...Chapter 9 Fixing System...
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Страница 297: ...Chapter 10 External and Controls...
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Страница 315: ...Chapter 10 10 13 2 Uncheck SNMP Status Enabled F 10 11...
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Страница 343: ...Chapter 11 MEAP...
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Страница 397: ...Chapter 12 e maintenance imageWARE Remote...
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Страница 409: ...Chapter 13 Maintenance and Inspection...
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Страница 424: ...Chapter 13 13 12...
Страница 425: ...Chapter 14 Standards and Adjustments...
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Страница 433: ...Chapter 14 14 5 Execute the following in Service Mode ADF white level adjustment COPIER FUNCTION CCD DF WLVL1 2 3 4...
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Страница 437: ...Chapter 15 Correcting Faulty Images...
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Страница 465: ...Chapter 16 Self Diagnosis...
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Страница 493: ...Chapter 17 Service Mode...
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Страница 691: ...Chapter 18 Upgrading...
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Страница 738: ...Chapter 18 18 44...
Страница 739: ...Chapter 19 Service Tools...
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Страница 741: ...Contents Contents 19 1 Service Tools 19 1 19 1 1 Special Tools 19 1 19 1 2 Oils and Solvents 19 1...
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Страница 745: ...Jul 3 2008...
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