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Table of contents
1 Introduction to Digital Sending ..................................................................................................................... 1
Digital sending overview ....................................................................................................................... 2
Introduction to DSS .............................................................................................................................. 3
Features overview ............................................................................................................... 4
Supported devices – Legacy device support ....................................................................... 5
Embedded Digital Sending vs DSS ...................................................................................................... 6
Advantages of DSS ............................................................................................................. 8
DSS vs Web Jetadmin ....................................................................................................................... 10
What is new in DSS 4.91? .................................................................................................................. 11
2 Theory of operations .................................................................................................................................... 13
Index ................................................................................................................................................................. 127
viENWW
1Introduction to Digital Sending
This chapter contains the following topics:
Digital sending overview
●
●
Introduction to DSS
Embedded Digital Sending vs DSS
●
DSS vs Web Jetadmin
●
What is new in DSS 4.91?
●
ENWW1
Digital sending overview
HP Digital Sending technology offers a fast, simple and reliable way to capture valuable information
from paper-based documents and convert it to a digital format which can be further processed and
routed to a number of different destinations.
Routing destinations include, but are not limited to, the following:
●Network folders
E-mail
●
FTP sites
●
Fax
●
The digital file types available include, but are not limited to, the following:
●JPEG
●TIFF
PDF
●
PDF/A
●
Optical Character Recognition and Compression are also available offering a wide range of digital file
types of varying sizes and quality that the user can select to meet their needs.
Additional data, or metadata, can also be specified and routed along with the scanned images as a
method for enabling more complex workflows.
Digital Sending is available from most HP Multi-function Peripherals, the Digital Sender line of
products and some HP Scanners. These products offer a wide range of Digital Sending capability
"out of box" via the product firmware. This out of box functionality is referred to as embedded digital
sending. What functions are available via embedded digital sending varies by product. See
Feature comparison on page 7 for more information.
The functionality of embedded digital sending can be extended with the server based HP Digital
Sending Software (DSS) product. Some features DSS adds to embedded digital sending are shared
address books, secure E-mail, a single point for e-mail routing and Optical Character Recognition.
Table 1-1
2Chapter 1 Introduction to Digital SendingENWW
Introduction to DSS
The HP Digital Sending Software (DSS) extends the embedded Digital Sending functionality of
supported devices by adding the following capabilities:
Routing e-mail through a central point (the DSS server), which simplifies SMTP security
●
management in environments with Access Control List security.
●Multiple SMTP gateways for redundancy in delivering e-mail jobs.
Encrypted e-mail channel with SMTP over SSL.
●
Sending fax through LAN Fax and Internet Fax servers.
●
Public- and Personal Address Books.
●
●Access to Microsoft® Exchange Contacts from the front panel of the device with the Exchange
Contacts feature.
The LDAP Replication feature allows access to the company directory while off-loading the
●
LDAP servers.
The Workflow feature allows easy and consistent scanning into company workflow processes.
●
Metadata can be collected for each job using custom keys or built-in system prompts, allowing
integration with third-party applications.
●OCR processing of e-mail, folder and FTP jobs through the I.R.I.S OCR engine to create
searchable output.
●Easy and intuitive interface to manage Digital Sending features through the Configuration Utility.
●Central logging of document sending activity for tracking, auditing, and troubleshooting
purposes.
●Additional file types, such as PDF/A and Compact PDF.
DSS runs as a software service on a networked server. Supported devices are "DSS aware," which
means they have components built into the firmware that allow them to make use of the services/
features offered by DSS. Once a device is added into DSS, all of the Digital Sending features are
managed through the Configuration Utility.
This section contains the following topics:
Features overview
●
Supported devices – Legacy device support
●
ENWWIntroduction to DSS3
Features overview
This section gives a basic overview of the various features of the DSS.
●E-mail
◦Route e-mail jobs from multiple devices through a single point. DSS makes it possible
to route e-mail jobs either through DSS or directly from the device to the SMTP gateway.
Routing e-mail through the DSS server simplifies SMTP security management in
environments with Access Control List security on the SMTP gateways.
◦SMTP gateway redundancy. Multiple SMTP gateways for redundancy in delivering e-mail
jobs.
◦Encrypted e-mail channel. DSS can provide a secure e-mail channel using SMTP over
SSL.
●Fax
◦Manage analog fax settings. The DSS Configuration Utility provides an intuitive interface
for managing fax settings on devices that have an analog fax accessory installed.
◦Electronic faxing. Integrates with LAN Fax and Internet Fax servers.
●Address Books. Devices attached to DSS have access to the DSS address books, which
provide the following functionality:
◦Public Address Book. Allows the administrator to create an address book which is
accessible from all attached devices.
◦Personal Address Book. Each user can create, use and manage a personal address book
from any attached device.
◦Exchange Contacts. Each user can access their Microsoft Exchange® Contacts from the
front panel of any attached device.
◦LDAP Replication. This feature allows access to the company directory while off-loading
the LDAP servers.
◦Address Book Management. Allows the administrator to manage all DSS address books.
●Workflow
◦Integration with third-party applications. The Workflow feature allows easy and
consistent scanning into company workflow processes, either through a shared folder or
FTP site. Metadata can be collected for each job using custom keys or built-in system
prompts, allowing integration with third-party applications.
●Optical Character Recognition (OCR)
◦Searchable documents. OCR processing of e-mail, folder and FTP jobs through the
I.R.I.S OCR engine to create searchable output in file formats such as PDF, XPS, HTML,
RTF etc.
●Digital Sending management
◦Easy and intuitive interface to manage Digital Sending features through the Configuration
Utility.
4Chapter 1 Introduction to Digital SendingENWW
●Logging
◦Central logging of document sending activity for tracking, auditing and troubleshooting
purposes.
●Additional file types
◦PDF/A. This file format is used for long-term archiving of electronic documents.
Compressed PDF. Advanced compression technology allows creating PDF files of
◦
significantly smaller size while preserving good image quality.
Supported devices – Legacy device support
The DSS supports most recent HP high-end multi-function peripheral (MFP) products, Digital Senders
and some ScanJet products. This document refers to these devices as DSS-enabled devices. A list of
all compatible products can be found on the HP Website at
Important notes:
Some DSS features are not available on certain models. This is due to differences in firmware
●
generations in the supported device models. For example, the Send to Folder feature is not
supported on the LaserJet 4100mfp and 9000mfp series – however, it is possible to send to
folder through the Workflow feature on those devices. Also, only configuration of Embedded
Digital Sending features is supported on the Edgeline series devices. Updated feature
compatibility information can be located in the readme file.
www.hp.com/go/dss.
As DSS support is built into the device firmware DSS is generally "forwards compatible" with
●
new device models – provided the device in question supports DSS. Consequently, although HP
recommends keeping DSS updated, it is typically not necessary to update DSS in order to use a
new device model. Exceptions to this are published in the DSS release notes (readme) file.
ENWWIntroduction to DSS5
Embedded Digital Sending vs DSS
There are two ways to implement Digital Sending:
1.Embedded Digital Sending. Embedded Digital Sending indicates device-specific Digital
Sending capabilities. These Digital Sending capabilities are embedded in the firmware of the
Digital Sending enabled device. Embedded Digital Sending includes capabilities such as e-mail
and fax.
2.Digital Sending Software (DSS). DSS is a software service running on a network that expands
the existing embedded capabilities of Digital Sending enabled devices. DSS includes capabilities
such as Send to E-mail (encrypted e-mail), Send to Fax, Send to Workflow, and Send to
Network Folder.
Figure 1-1 Embedded and service-based Digital Sending
Differences
The following product groups are represented in the Features Comparison table below.
Group 1 — HP LaserJet 4100 and 9000 MFP
●
Group 2
●
HP LaserJet 4345, 9040/9050, M3035, M4345, M5035 and M9040/9050 MFP
◦
◦HP Color LaserJet 4730, 9500, CM3530, CM4730 and CM6030/6040 MFP
OtherOptical Character Recognition (OCR)DSSDSSDSS***DSS
WorkflowDSSDSSDSSDSS*DSS
Metadata supportDSS
Custom-keys metadataDSSDSSDSSNADSS
FileNet integrationDSSDSSDSSDSSDSS
Single point for e-mail routingDSSDSSDSSDSSNA
SMTP gateway redundancyDSSDSSDSSDSSDSS
SMTP over SSLDSSDSS
Quick SetsNANA
PDF/ADSSDSS
Compact PDFDSSDSS
Signed e-mailNANA
Encrypted E-mail (message)NANA
Legend
●DSS — Requires DSS
●
— Available both embedded and when managed by DSS
NA
DSSDSS
NANA
NA
●E — Available only in embedded Digital Sending
●NA — Not available
●* — Appended: limitations apply
●** — Not available on the HP ScanJet Enterprise 7000n Document Capture Workstation.
●*** — The HP ScanJet Enterprise 7000n Document Capture Workstation has this feature
available both embedded and when managed by DSS.
Advantages of DSS
HP Digital Sending Software allows customers to do the following:
Table 1-2 What else does DSS allow you to do?
FeatureBenefits
Send to LAN Fax and Internet FaxAllows sending faxes through LAN Fax and Internet Fax
8Chapter 1 Introduction to Digital SendingENWW
systems from DSS-enabled devices using the Fax icon,
which offers a user-friendly interface with Speed Dials,
address book etc.
Table 1-2 What else does DSS allow you to do? (continued)
FeatureBenefits
Public Address BookAllows an administrator to maintain an address book which is
Personal Address BooksGives each user of the DSS-enabled device a personal
Microsoft® Exchange ContactsGives the user access to his/her Exchange Contacts within
LDAP ReplicationOffers a way to allow DSS-enabled devices to access the
Address Book ManagerAllows an administrator to manage the contents of DSS
Send to E-mailWith DSS the Send to E-mail jobs from connected devices
Optical Character Recognition (OCR)Allows scanning to searchable text formats, such as PDF,
accessible to all devices connected to the DSS server.
address book, which is accessible from any device
connected to the DSS server.
Users can manage the contents of their personal address
book from the front panel of the device.
the e-mail- and fax address book of the device.
content of an LDAP address book through DSS. As the
replication occurs at a schedule set by the administrator this
feature can off-load the LDAP servers.
address books.
can be routed through DSS. This provides the following
benefits:
●Allows scanning to e-mail in environments with strict
SMTP security with minimal management effort.
●Supports several SMTP gateways for redundancy.
XPS and RTF.
Device ManagementAllows management of Digital Sending features on the entire
fleet of DSS-enabled device from a user-friendly interface.
ENWWEmbedded Digital Sending vs DSS9
DSS vs Web Jetadmin
HP Digital Sending Software and HP Web Jetadmin are two different software products available
from HP with very different value propositions. However, while the products are different there is still
some overlap in functionality. The purpose of this section is to provide a basic understanding of the
differences between DSS and HP Web Jetadmin.
HP Web Jetadmin is a fleet management tool designed to manage printers and Digital Sendingenabled devices on a network. Features include device configuration, firmware installation, remote
diagnostics, alerting and reporting - to name a few. For instance, system administrators can use this
tool to get alerts for specific error conditions, update firmware on the entire fleet of devices and create
usage reports.
HP Digital Sending Software extends the embedded Digital Sending features of supported devices
with features such as LAN Fax, OCR, Workflows and Personal Address Books. Where DSS may
appear to overlap somewhat with Web Jetadmin is in that it also manages the Digital Sending
settings for connected devices. In fact, when a device is connected to DSS it is only possible to
manage the Digital Sending settings using the DSS Configuration Utility. Web Jetadmin can still be
used to manage all other settings on the device. For more information on the values and capabilities
of DSS, please refer to other sections of this document.
10Chapter 1 Introduction to Digital SendingENWW
What is new in DSS 4.91?
With the release of DSS 4.91, several improvements have been made. DSS 4.91 provides the
functionality of DSS 4.x on a new .NET platform and also adds support for DSS-enabled devices
using the new HP firmware base code.
Table 1-3 Product improvements in DSS 4.91
ComponentDescription
Adds support for Windows 2008, Windows 7 and Windows Vista.
●
Operating system
support
Product compatibility
Configuration Utility
OCR engine
Send to E-mailSecure e-mail channel (SMTP over TLS/SSL).
File types
●Supported on R2 and 64-bit versions of these operating systems, but runs in 32-bit (x86)
mode.
Supports the HP ScanJet Enterprise 7000n Document Capture Workstation.
●
●Supports Digital Sending-enabled devices based on the new HP firmware code, starting with
the HP M4555 MFP and CM4540 Color MFP.
●Configuration Utility window can be maximized and stretched
Supports simultaneous use by multiple administrators.
●
●Faster Configuration Utility start time as device status is only updated when selected by
administrator.
Device grouping.
●
●Miscellaneous UI improvements, such as progress bars.
●Updated to I.R.I.S. engine version.
●Improved text recognition.
●Improved performance and scalability.
●PDF/A – Supporting PDF/A allows customers to meet ISO standards for long-term archival of
electronic documents.
●Compact PDF (high compression of PDF files).
●Exchange Contacts now via HTTPS. MAPI client no longer required.
Addressing
Replaced outdated
functionality
●Address Book Manager now integrated within the Configuration Utility.
Multiple device configuration and copy/paste for device configuration replaced with templates.
●
●Secondary e-mail replaced with SMTP over SSL.
●Novell Bindery no longer supported for authentication.
Windows Fax Service no longer supported.
●
ENWWWhat is new in DSS 4.91?11
12Chapter 1 Introduction to Digital SendingENWW
2Theory of operations
This chapter contains the following topics:
Components
●
●
Understand licensing
ENWW13
Components
Figure 2-1 DSS Components
DSS can be viewed as a system that consists of a number of components, where each component
provides a specific set of features that allows the system to function as a whole. The above diagram
shows the DSS components and how they are connected. The following covers each of these in
detail.
DSS Service
the central nervous system of the HP Digital Sending Software is the service named "HP Digital
Sending Software", typically called the "DSS service". This is the key component of the software that
ties together all other components and enables the DSS system to function.
14Chapter 2 Theory of operationsENWW
Internally, the DSS service is divided into several subcomponents and has dependencies. The below
figure shows this at a high level:
Figure 2-2 DSS Service Architecture
Table 2-1 DSS Service – Technical Detail
Technical detail
Service display name:HP Digital Sending Software
Service name:DssWinService
Executable name:HP.Dss.App.WinService.exe
Typical memory usage:200-400MB
Configuration Utility
The role of the Configuration Utility is to act as a management console for DSS. It provides a user
friendly interface to manage all settings for DSS functions as well as devices.
The Configuration Utility is always installed with DSS, but can also be installed separately on a
different computer on the network. When installed separately it is typically referred to as the "Remote
ENWWComponents15
Configuration Utility", since in this mode it is used to manage a remote DSS server. The address of
the server to be managed is entered in the startup dialog.
DSS-enabled devices are the HP MFPs, Digital Senders or ScanJet products that support DSS.
These devices allow end-users to make use of DSS functionality by scanning to the various
destination types, using the address book etc. See
on page 5 for a complete list of supported devices.
The firmware in these devices has a component built-in which enables use of DSS functionality. In
the previous generation products this is enabled through DSMP (Digital Sending Management
Protocol). In HP's latest generation products this component has been replaced by a WS-* (Web
Services Star) based interface.
Since all DSS features have to be supported by the device firmware DSS 4.91 has a minimum
firmware version requirement, which can be found here
firmware revisions on page 25. Over time, as new features become available in DSS, it may be
required to update the device firmware for compatibility. These changes will be documented in detail
in the DSS release notes.
Supported devices – Legacy device support
Table 3-3 DSS 4.91 supported device
16Chapter 2 Theory of operationsENWW
Table 2-3 DSS-enabled devices – Technical Detail
Technical detail
List of supported devices:See
Minimum firmware version:See
Feature matrix:See
I.R.I.S. OCR engine
DSS uses I.R.I.S. OCR engine version 12 to provide Optical Character Recognition (OCR) and High
Compression PDF functionality. The engine features Intelligent High Quality Compression (iHQC)
technology™.
Figure 2-4 OCR engine
Supported devices – Legacy device support on page 5
The figure above shows how the process flow OCR processing in DSS. When DSS receives a job
where OCR processing is required it invokes the I.R.I.S. OCR engine using COM (Component Object
Model). The image data/document is transferred together with control parameters, such as the
required output file type. Once OCR processing is completed the searchable document is passed
back to DSS which delivers the document to the destination.
DSS is a multi-threaded application and will launch multiple instances of the OCR engine when there
are multiple jobs in the queue that require OCR processing. We refer to this as ‘parallel processing of
OCR jobs’. This makes the OCR feature scalable, which means that average job processing times
will be improved if the server's resources are improved. For instance, adding additional CPUs and
more memory to the server will improve the average processing time of each OCR job when the
server is processing multiple jobs simultaneously. This is a significant improvement over previous
versions of DSS, where OCR processing was serial.
Languages supported:I.R.I.S OCR 12 recognizes more than 120 languages
Database
DSS uses Microsoft SQL Server 2005 Express Edition to host the DSS database. The database is
used to hold the DSS activity log.
Table 2-5 Database – Technical Detail
Technical detail
Database name:HPDSS
Access security:Windows Integrated Security
Local Data Store
The Local Data Store is the series of files located in the DSS installation directory, which is used to
store the DSS configuration data, device information and debug logs. This is also where the job
queue resides.
Table 2-6 Local Data Store – Technical Detail
Technical detail
Default installation dir:C:\Program Files\Hewlett-Packard\HP Digital Sending
As the name indicates, third party tools are not a part of the DSS system. However, they are
mentioned here because third party tools are required to deliver some of the DSS functionality as
listed here:
LAN Fax. This feature requires a compatible LAN Fax product. DSS enables the functionality by
●
providing a Fax interface at the Digital Sending-device and then passing the fax job along with
an HPF file (metadata) to a watched folder.
Internet Fax. This feature requires an Internet Fax server. DSS enables the functionality by
●
providing a Fax interface at the Digital Sending-device and then sending out an e-mail with the
fax job attached.
Software 4.91
Workflow. One of the main ideas behind the Workflow feature is the ability to capture metadata
●
at the Digital Sending-device and pass it on to a folder that is watched by a third party
18Chapter 2 Theory of operationsENWW
application. This application is then able to read the metadata and further process and route the
job.
●Personal Address Book. This feature requires a Microsoft Exchange Server that supports
HTTP connections.
Remote Configuration Utility
The Remote Configuration Utility is a version of the Configuration Utility that is designed to install and
operate on a remote computer.
Using the Remote Configuration Utility allows DSS configuration across the network.
1.Launch the Configuration Utility.
2.Click Another Computer.
Figure 2-5 Remote Configuration Utility
3.Type in the network name of the DSS server.
4.Click OK.
Device firmware
DSS-enabled devices are "DSS aware," meaning they have components built into the firmware that
allow them to make use of the services and features offered by DSS. Some DSS features require a
minimum firmware level; therefore, the version of firmware loaded on the DSS-enabled device is
important.
For example, the OCR processing feature for Send to E-mail requires a minimum firmware revision of
48.051.1 to work on the HP LaserJet M5035 MFP. If the firmware revision is not at least 48.051.1, the
OCR processing feature for DSS Send to E-mail cannot function.
Understand licensing
This section contains the following topics:
Trial license
●
Licensing requirements
●
Auto-generate license
●
Node Locking
●
ENWWUnderstand licensing19
Trial license
When DSS is installed for the first time, you have the option of entering a license number or using the
software on a 60-day evaluation basis. During the evaluation period, the software can support up to
50 Digital Sending-enabled devices. When the trial period expires, the software becomes inactive
until a license is installed.
Licensing requirements
The Licenses section of the Configuration Utility General tab contains a Trial License entry where
new licenses must be added. The remaining trial period also appears on that tab.
DSS is available in five different seat configurations.
SeatsPart Number
1T1936AA#UA0
5T1936AA#0AD
10T1936AA#0A9
50T1936AA#0AA
250T1936AA#UD6
Each seat enables Digital Sending features on one device. As many licenses as needed can be
installed to in order to accumulate seats.
Click Add on the General tab to type a new license key code for the HP Digital Sending Software.
Auto-generate license
The HP 9200C Digital Sender and HP 9250C Digital Sender devices auto-generate licenses after
being added to an existing licensed DSS server. These are the only two DSS-enabled devices that
auto-generate licenses.
Node Locking
Purchased licenses can be applied only to a specific DSS server. The node-locking process
combines the license certificate with a unique ID from the DSS server. The unique ID appears on the
About tab of the Configuration Utility as the MAC Address. This ID appears during and after the trial
period. To activate the license certificate, record the MAC Address that appears on the About tab of
the Configuration Utility and proceed to the HP Software License Manager Website at
licensing.hp.com. At this Website, type the license certificate number and the MAC address. The
Software License Manager activates licenses based on information located on the purchased license
20Chapter 2 Theory of operationsENWW
certificate(s) and the server ID of the DSS server. After this information is entered into the Software
License Manager, the generated licenses are delivered by fax or e-mail.
Figure 2-6 License Node Locking
ENWWUnderstand licensing21
22Chapter 2 Theory of operationsENWW
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