Image Processing Path (B044/B045/B046) - Gestetner B130 Service Manual

Rev. 11/2004

6.11.2 IMAGE PROCESSING PATH (B044/B045/B046)

The diagram below shows the image processing steps. The steps that are actually
performed depend on the selected original processing modes and on adjustments
made with the relevant SPs.
Optional Printer
Controller
: Fax processing only
SM
CÓPIA NÃO CONTROLADA
ADS
SBU
Black Level Correction
Shading Line Correction
Peak Tracking & Correction
Gamma Correction
Main-Scan Reduction
Sub-Scan Reduction
Side-to-side registration, mirroring, white-dot
replace
VPU
Main-Scan Magnify
Filtering (MTF, smoothing, line width correction, etc.)
2nd Gamma
Binarize
Correction
Independent
Dot Corr.
Error
Diffusion/
Dithering
Binary OR
processing
Serial/Parallel Conversion
IPU
VPM
VPC (VIdeo Path Control)
Edge Correction
Distortion
FCI
Printer gamma correction
LIF
VPL
To LDD
6-21
CÓPIA NÃO CONTROLADA
IMAGE PROCESSING
Picture/Text
Separation
B046D998.WMF
B129 Series/B044 Series