Image Processing; Introduction - Toshiba e-STUDIO 160 Service Manual

6. IMAGE PROCESSING

6.1 Introduction

The following diagram shows the processes on the digital copier, from the scanning of the original up to
transfer onto the photosensitive drum.
Scanner
Original
CCD board
The following table describes the board and its functions for image processing.
Board No. of ASIC
SLG Board 1
MAIN Board 2
December 2002 TOSHIBA TEC
Image processor
Original glass
A/D
Conversion
Shading Image
control processing
ASIC (ST.LOUIS)
SLG board
Fig. 6-1-1
High quality image processing, image memory editing, editing process-
ing, gamma correction processing, tone processing, and external out-
put systems interface
Image area control, laser relation control, smooting processing
Page Smooting
memory ASIC (EET)
Image processing/
Print control
ASIC (PTC)
MAIN board
Photosen-
sitive drum
Function
6 - 1 e-STUDIO160/200/250 IMAGE PROCESSING
Printer
Laser drive board
[LDR]
Polygonal motor
drive board
[PDV]
Semicon-
ductor laser
device
07001