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Ricoh Aficio 1027 [17/27] Scanner security considerations
Ricoh Company, Ltd
17/27
2.4.Scanner Application
2.4.1 Overview of Scanner Application Operation
z At the scan command from the operation panel, the transfer function temporarily stores the image on the HDD,
and then transfers that image via the Plumeria network I/F. The TWAIN function is called from the TWAIN driver
on the PC connected to the network, the scanning is executed under the conditions specified, and then the image
is sent to the TWAIN driver.
z Access to the scanning feature of the machine can be limited by user code settings or with installation of an
external coin device. The user code settings and record-of-use settings previously set up on the TWAIN driver
side are also enabled.
z The time of scanning and image transfer is recorded. The record of the transfer is volatile, and the results of the
transfer can be confirmed only on the operation panel.
2.4.2 Scanner Data Flow
z The raw image data, developed by IMH processing in RAM, is compressed by user selection of a compression
method (MH, MR, MMR, JPEG), and a TIFF header is added (with the exception of JPEG files where the header
is not attached), and the files are transferred to the network in a commonly used format.
z User codes sent from the TWAIN driver flow on as binary data without changing, and the password set up on the
machine operation panel to protect a stored document is not sent to Plumeria or SmartNet Monitor. This
password is used to take a stored document from SmartNet Monitor, or to control access during a remote transfer.
2.4.3 Scanner Security Considerations
z Because only data that is determined functional for Plumeria on the network can be received, the transfer function
cannot receive illegal data from the external I/F. On the TWAIN side, a rigid command interface cannot receive
even one bit of illegal binary data.
z A single page image larger than 25 MB cannot be saved. Document size is limited to 500 pages or limited to a
size of 1GB, whichever is achieved first.
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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