Write Section Image Processing Block Diagram 1 - Konica Minolta bizhub c450 Service Manual
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Theory of Operation Ver. 1.0 Mar. 2005
23.2 Write section image processing block diagram 1
From Scanner Section
1. Image area discrimination
3. Miscellaneous processing (improved reproduction of black text, edge emphasis, edge
expansion, smoothing, color balance, and gamma correction)
4. Multiple values (Photo mode)
5. GBTC compression
6. Input buffer memory
7. JBIG compression
8. File (code) memory
Standard: 256 MB
Extended memory: 256 MB (option)
HDD: 40 G (option)
9. JBIG expansion
10. Memory access coordina-
12. Output buffer memory
13. 600-dpi color shift/skew correction
14. CD position correction
15. GBTC expansion
2. Color correction processing (reflection/density conversion,
masking, UCR/BP)
Electronic sorting Board
11. Frame memory
Standard: 192MB
23. Image processing
4. Error diffusion (binary)
(mode other than Photo)
Copier Board
MFP Control Board
16. Area discrimination FEET
17. Interpolation
18. Gamma correction
19. Screening
To LED Drive Board
105
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