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Image Processing
SM 6-19
D009/D011/D012/D013
Det
ailed
Des
cription
s
6.5.4 IPU (IMAGE PROCESSING UNIT)
Overview
The image data from the SBU goes to the IPU (Image Processing Unit) IC on the BICU
board, which carries out the following processes on the image data:
1. Auto
shading
2. Filtering (MTF and smoothing)
3. Magnification
4.
γ
correction
5. Grayscale
processing
6. Binary picture processing
7. Error
diffusion
8. Dithering
9. Video path control
10. Test pattern generation
The image data then goes to the HDD.
6.5.5 IMAGE PROCESSING MODES
The user can select one of the following modes with the User Tools screen: Text, Text/Photo,
Photo, Pale, Generation. Some of these modes have a range of different settings (e.g. etc).
To display this screen, press User Tools/Counter> Copier/Document Server Settings>
General Features> Original Photo Type Quality.
Mode
Function
Text/Photo
Glossy Photo/ Printed Photo/ Copied Photo
Photo
Glossy Photo/ Printed Photo/ Copied Photo
6.5.6 SUMMARY OF IMAGE PROCESSING FUNCTIONS
Shading correction:
Compensates for the possible differences in the amount of light at the
edges and center of a scanned image caused by the scanner lens, or scatter among pixels
of the CCD.
Pre-Filter Background erase:
Attempts to eliminate the heavy background texture from
copies (newspaper print or documents printed on coarse paper). Elements below the
selected threshold level are eliminated.
Summary of Contents for D009
Page 1: ...D009 D011 D012 D013 SERVICE MANUAL 003315MIU...
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Page 3: ...D009 D011 D012 D013 SERVICE MANUAL...
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Page 5: ...D009 D011 D012 D013 SERVICE MANUAL 003315MIU...
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Page 33: ...INSTALLATION...
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Page 119: ...PREVENTIVE MAINTENANCE...
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Page 129: ...REPLACEMENT AND ADJUSTMENT...
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Page 225: ...TROUBLESHOOTING...
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Page 285: ...SERVICE TABLES...
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Page 549: ...DETAILED SECTION DESCRIPTIONS...
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Page 605: ...Duplex Unit SM 6 55 D009 D011 D012 D013 Detailed Descriptions...
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Page 637: ...SPECIFICATIONS...
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Page 657: ...1000 SHEET FINISHER B408...
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Page 685: ...AUTO REVERSE DOCUMENT FEEDER DF3010 B802...
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Page 692: ...Covers and Tray B802 2 SM 4 Pivot cover A x 1 5 Original tray B x 1 x 1 x 2...
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Page 723: ...BOOKLET FINISHER SR3020 FINISHER SR3030 B804 B805...
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Page 746: ...Fold Unit B804 B805 18 SM...
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Page 803: ...SCANNER ACCESSIBILITY OPTION TYPE 4045 B838...
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Page 841: ...FAX OPTION TYPE 5000 D346...
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Page 1025: ...PAPER FEED UNIT PB3040 D351...
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Page 1047: ...LCIT PB3050 D352...
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Page 1073: ...1200 SHEET LCIT RT3000 D353...
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Page 1099: ...PRINTER SCANNER OPTION TYPE 5000 D381...
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Page 1139: ...BRIDGE UNIT BU3030 D386...
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Page 1155: ...1 BIN TRAY BN3040 D389...
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