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Ricoh Aficio 1032 [12/27] Copy application css overview
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Ricoh Company, Ltd
12/27
2.2 Copy Application (CSS)
2.2.1 Copy Application (CSS) Overview
A call signal from the CSS Call Center through the telephone line starts the LADP, and the acquired service
information is requested of the LADP. The LADP acquires the requested service information via the CSS I/F, and then
notifies the CSS Call Center. The service information includes coin device information (machine number, value of
usage count).
If the device malfunctions, a request through the CSS I/F notifies the CSS Call Center for the LADP. In response to the
request, the LADP automatically telephones the CSS Call Center, and then sends the information through the
telephone line to the CSS Call Center that the device has malfunctioned.
2.2.2 Copy Application (CSS) Data Flow
Information is extracted from the service information requested from the LADP from the RAM defined by the SCS, and
then this information is sent via the CSS I/F to the LADP. When a malfunction is detected, the SCS sends the
information about the malfunction through the CSS I/F to the LADP.
2.2.3 Copy Application (CSS) Security Considerations
In the configuration diagram of a machine provided with CSS, a single chip is shown for the control of transmission
and CSS control; this microchip also comprises the circuits for data conversion and the destruction of illegal data. The
CPU is previously set to take action (read, write, execute) for commands that get past the CSS I/F, and only these
three processes can be performed for external commands. Because these same processes can be selected on the
Service Menus of the operation panel, the data is written into memory and cannot be executed from an external
program.
Because filtering of illegal commands is conducted in this way at the CSS I/F, even when an unknown command is
sent, it is destroyed as soon as it reaches the CSS I/F. In addition, the mask ROM in the PI firmware has been
changed and cannot be switched or changed externally.
Software Flow
:Control Flow
:Data Flow
COPY FAX Scan
Net
File
Printer
Application
API
UNIX OS
OCS
IMH
ECS MCS FCS
SCS
NCS
SRM
Содержание
- Contents 1
- Russian c2 1
- Supplementary materials on information security 1
- Overview 2
- Card i f for service 3
- Css i f ladp 3
- Engine 3
- Flash rom 3
- Hardware configuration 3
- Host i f 3
- Operation panel 3
- Russian c2 internal system configuration 3
- Applications 4
- Engine i f 4
- Hared service layers 4
- Host i f hdd 4
- Ncs scs fcs mcs ecs 4
- Printer copy fax scan net file 4
- Printing scanning 4
- Software configuration 4
- Unix os 4
- Data security 5
- External i f 5
- Protection of program data from illegal access from an external device 5
- Copy application 6
- Copy data flow 6
- Overview of copy application operation 6
- Russian c2 applications 6
- Engine i f 7
- Fcu hdd 7
- Ncs scs fcs mcs ecs 7
- Printer copy fax scan net file 7
- Printing scanning host i f 7
- Unix os 7
- Hdd host i f 8
- Ncs scs fcs mcs ecs 8
- Printer copy fax scan net file 8
- Unix os 8
- Ncs scs fcs mcs ecs 9
- Printer copy fax scan net file 9
- Unix os 9
- Ncs scs fcs mcs ecs 10
- Printer copy fax scan net file 10
- Unix os 10
- Card i f for service 11
- Controller 11
- Css i f ladp 11
- Engine 11
- Ethernet 11
- Flash rom 11
- Host i f 11
- Operation panel 11
- Page memory 11
- To public tel line 11
- Copy application css 12
- Copy application css data flow 12
- Copy application css overview 12
- Copy application css security considerations 12
- Copy fax scan net file 12
- Ecs mcs fcs scs ncs 12
- Printer 12
- Unix os 12
- Host i f 13
- Overview of printer application operation 14
- Print data flow 14
- Printer application 14
- Ncs scs fcs mcs ecs 15
- Print security considerations 15
- Printer copy fax scan net file 15
- Unix os 15
- Host i f 16
- Overview of scanner application operation 17
- Scanner application 17
- Scanner data flow 17
- Scanner security considerations 17
- Fcu hdd 18
- Host i f scanning printing 18
- Ncs scs fcs mcs ecs 18
- Printer copy fax scan net file 18
- Unix os 18
- Host i f 19
- Fax application 20
- Fax data flow 20
- Fax data security considerations 20
- Overview of fax application operation 20
- Hdd host i f 21
- Ncs scs fcs mcs ecs 21
- Printer copy fax scan net file 21
- Printing 21
- Scanning fcu 21
- Unix os 21
- Host i f 22
- Network applications 23
- Network data flow 23
- Overview of network application operation 23
- Stored image file output data flow 23
- Thumbnail creation data flow 23
- Thumbnail reference data flow 23
- Host i f printing 24
- Ncs scs fcs mcs ecs 24
- Printer copy fax scan net file 24
- Scanning 24
- Stored image file fax transmission data flow 24
- Stored image file print data flow 24
- Unix os 24
- Hdd host i f printing 25
- Ncs scs fcs mcs ecs 25
- Printer copy fax scan net file 25
- Scanning 25
- Unix os 25
- Host i f 26
- Network security considerations 27
- User code and password protected data flow for stored image files 27
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