Configuration Of The Image Processing Modules; Reader Input Image Processing - Canon imageRUNNER 7095 Service Manual

Chapter 4

4.5.2 Configuration of the Image Processing Modules

The machine primarily uses the main controller PCB for image processing. The following shows the con-
struction of the modules associated with image processing:
- Image memory
- Temporarily stores the program

4.5.3 Reader Input Image Processing

4-10
SDRAM
Main controller PCB
HDD
DC controller
PCB
Reader input image processing block
- magnification
- editing (Shift, angle, repeat, psymmetric fold, mirror image)
edge enhancement
editing (blanking/framing, negative/positive reversal)
- intensity-to-density conversion
- density adjustment (F value adjustment)
- gamma correction
Text mode
Text/photo mode
Printed photo mode
Binary processing (error diffusion)
Compression/expansion/editing block
Printer output image processing block
DC controller PCB
Reader
controller PCB
Reader input image processing block
Executes image processing on image
data collected by the reader unit.
Compression/expansion/editing block
Processes compression/expansion/editing.
Printing output image processing block
Processes image data for output to the printer
Reader unit
Reader I/F PCB
Main controller PCB
Film photo mode
Binary processing (screen processing)
Video PCB
F-4-9
0010-7873
0010-7874