Write Section Image Processing Block Diagram - Develop QC 2235 Plus Service Manual

QC 2235plus Theory of Operation Ver.1.0 Mar. 2004

19.2 Write section image processing block diagram

From Scanner Section
1. Image area discrimination
3. Miscellaneous processing (improved reproduction of black text, edge emphasis, edge
expansion, smoothing, color balance, and γ correction)
4. GBTC compression
5. Input buffer memory
6. File (code) memory
Standard: 256 MB
Extended memory: 256 MB (option)
HDD: 40 G (option)
7. Memory access coordinator
9. Output buffer memory
10. 600-dpi color shift/skew correction
11. CD position correction
12. GBTC expansion
13. 1,800-dpi color shift/skew correction
MFP Control Board
2. Color correction processing (reflection/density conversion,
masking, UCR/BP)
8. Frame memory
Standard: 192MB
14. Area discrimination FEET
15. Interpolation
16. γ correction
17. Screening
18. High-speed LED drive
19. Intensity correction
To each LED Unit
2-89
Image processing
LED Drive Board