Write Section Image Processing Block Diagram - Konica Minolta bizhub C250 Service Manual

23. Image processing

23.2 Write section image processing block diagram

From scanner section
1. Resolution conversion processing in the sub scanning direction
2. AE processing
3. Image data editing
4. Image area discrimination
6. Miscellaneous processing (improved reproduction of black text, edge emphasis,
smoothing and color balance)
Photo mode
PC print data
7. BTC compression
Multi-valued data
(8 bit data)
10. Input buffer memory
11. JBIG compression
12. File (code) memory
DRAM:512MB (standard)
HDD:40G (standard)
13. JBIG expansion
14. Memory access coordinator
16. Output buffer memory
17. BTC expansion
18. Main scanning position correction
120
5. Color conversion processing
(reflection/density conversion, masking, UCR/BP)
Mode other than photo
15. Frame memory
Theory of operation ver. 3.0 Aug. 2006
MFP control board
8. Gamma correction
9. Error diffusion (binary)
Binary data
Multi-valued data
(8 bit data)
19. Area discrimination FEET
20. Interpolation
21. Gamma correction
22. Screening
23. Main scanning speed
conversion
24. Modulation
To PH unit