Ipu (Image Processing Unit) - Ricoh B079 Service Manual

6.5.4 IPU (IMAGE PROCESSING UNIT)

Overview
SIB
SBU
LDDR
LD1
FCI
LD2 GAVD
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.
SM
CÓPIA NÃO CONTROLADA
BICU
IPU
6-19
CÓPIA NÃO CONTROLADA
IMAGE PROCESSING
Controller
HDD
B079D905.WMF
B079/B082