2.4. Scanner
2.4.1. Purpose
The purpose of the scanner is to provide mechanical transport of hardcopy originals and to convert hardcopy
originals to electronic data.
2.4.2. Hardware
The scanner converts the image from hardcopy to electronic data. An optional document handler moves originals
into a position to be scanned. The scanner provides enough image processing for signal conditioning and
formatting. The scanner does not store scanned images. All other image processing functions are in the copy
controller.
The DADF/Scanner contains a CPU, BIOS, RAM, and Non-Volatile Memory
Volatile Memory Description
Type (SRAM, DRAM, etc)
SDRAM
Registers, RAM Buffer, etc
Additional Information:
All memory listed above contains code for execution and configuration information. No user or job data is permanently stored in this location.
Non-Volatile Memory Description
Type (Flash, EEPROM, etc)
EEPROM
Flash ROM
Additional Information:
All memory listed above contains code for execution and configuration information. No user or job data is stored in these locations.
2.5. Graphical User Interface (GUI)
2.5.1. Purpose
The GUI detects soft and hard button actuations, and provides text and graphical prompts to the user. The GUI is
sometimes referred to as the Local UI (LUI) to distinguish it from the WebUI, which is exported by the web service
that runs in the controller. Images are not transmitted to or stored in the GUI. The Start hard button is located on
the GUI panel.
2.5.2. Hardware
The user interface contains a FPGA that contains RAM and Non-Volatile Memory
Ver. 1.00, May 2010
XEROX WorkCentre 6400 Information Assurance Disclosure Paper
Size
User Modifiable
(Y/N)
2MB
N
32MB
N
Size
User Modifiable
(Y/N)
8KB
N
512KB
N
Table 6 Scanner memory components
.
Function or Use
Executable code, control data
Image buffer (temporarily contains
part of captured image)
Function or Use
Control set points, configuration
settings
Firmware, control set points
12
Process to Clear:
Power Off System
Power Off System
Process to Clear:
None
None
.
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