Scanner Functions; Image Processing For Scanner Mode; Image Data Path - Gestetner B130 Service Manual

4.3 SCANNER FUNCTIONS

4.3.1 IMAGE PROCESSING FOR SCANNER MODE

The scanner application program executes the image processing on the IPU of the
BICU. The application program receives the settings from the scanner driver
(TWAIN Mode) or from the operation panel (Delivery Mode), and selects
appropriate gamma tables, dither patterns, and other variables.
NOTE: The compression type for binary picture processing is specified by Scanner
SP1-004.

Image Data Path

1. Image Store/Image Delivery Mode
Image
Scanning Processing
SBU
The scanner application program processes images and compresses them. The
data is stored in the controller RAM. The data format is TIFF or PDF (binary picture
processing). The user selects a data format from the following menu: Options >
File Type.
Before transferring the data to the server, the controller attaches the destination
and page information.
2. Twain Mode
Image
Scanning Processing
SBU
The scanner application program processes images and compresses them. The
data is transferred to the scanner driver on the PC. The data format is TIFF or
PDF.
SM
CÓPIA NÃO CONTROLADA
Image Image
Compression
BICU
Image Image
Compression
BICU Controller
9
CÓPIA NÃO CONTROLADA
SCANNER FUNCTIONS
Network
RAM
I/F
Controller
Image
Network
I/F
File
Server
B683D904.WMF
PC
B683D905.WMF
B683