JMP> Job MIB Mapping Document [WARNING: contains CAP

JMP> Job MIB Mapping Document [WARNING: contains CAP

Tom Hastings hastings at cp10.es.xerox.com
Thu Oct 23 21:36:24 EDT 1997


My virus detection software detected the CAP virus in the .doc file.


It claimed to remove the virus, but it was the same size, so I'm dubious.


Otherwise, I would have replaced it on the PWG server.


Tom


At 08:47 10/23/1997 PDT, Ron Bergman wrote:
>I have loaded the following files for the Job MIB Mapping specification:
>
>	ftp://ftp.pwg.org/pub/pwg/jmp/specs/JMPMAP00.TXT (.DOC)
>
>I would like to review this document at the JMP meeting next week.  The
>main subject will be the mapping to jmJobSubmissionId.  We need to verify
>that all the necessary formats for jmJobSubmissionId are available in the
>MIB.
>
>Attached is the text version.
>
>	Ron Bergman
>
>
>
>
>
>
>
>  INTERNET-DRAFT                                              Ron Bergman
>                                                        Dataproducts Corp.
>                                                          October 15, 1997
>
>
>               Job Submission Protocol Mapping Recommendations
>                         for the Job Monitoring MIB
>
>                  <draft-ietf-printmib-job-protomap-00.txt>
>
>                             Expires Apr 15, 1997
>
>
>
>  Status of this Memo
>
>       This document is an Internet-Draft.  Internet-Drafts are working
>       documents of the Internet Engineering Task Force (IETF), its areas,
>       and its working groups.  Note that other groups may also distribute
>       working documents as Internet-Drafts.
>
>       Internet-Drafts are draft documents valid for a maximum of six
>       months and may be updated, replaced, or obsoleted by other
>       documents at any time.  It is inappropriate to use Internet-Drafts
>       as reference material or to cite them other than as "work in
>       progress".
>
>       To learn the current status of any Internet-Draft, please check the
>       "1id-abstracts.txt" listing contained in the Internet-Drafts Shadow
>       Directories on ftp.is.co.za (Africa), nic.nordu.net (Europe),
>       munnari.oz.au (Pacific Rim), ds.internic.net (US East Coast), or
>       ftp.isi.edu (US West Coast).
>
>                                  Abstract
>
>       This Internet-Draft defines the recommended mapping for many
>       currently popular Job submission protocols to objects and
>       attributes the Job Monitoring MIB.
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>  Bergman                                                         [page 1]

>
>
>  Job Submission Protocol Mapping Recommendations             Oct 10, 1997
>
>
>
>  TABLE OF CONTENTS
>
>  1.0  INTRODUCTION .....................................................2
>  2.0  LINE PRINTER DAEMON (LPR/LPD) PROTOCOL ...........................3
>  2.1  jmJobSubmissionId Mapped to LPR/LPD ..............................4
>  2.2  jmJobIndex Mapped to LPR/LPD .....................................4
>  2.3  Other MIB Objects Mapped to LPR/LPD ..............................4
>  2.4  The Attribute Group Mapped to LPD ................................4
>  3.0  APPLETALK PROTOCOL ...............................................5
>  3.1  jmJobSubmissionId Mapped to AppleTalk ............................5
>  3.2  Other AppleTalk Mappings .........................................5
>  4.0  INTERNET PRINTING PROTOCOL (IPP) .................................5
>  4.1  jmJobSubmissionId Mapped to IPP ..................................6
>  4.2  jmJobIndex Mapped to IPP .........................................6
>  4.3  Other MIB Objects Mapped to IPP ..................................7
>  4.4  The Attribute Group Mapped to IPP ................................7
>  5.0  INTELLIGENT PRINTER DATA STREAM (IPDS) ...........................7
>  6.0  DOCUMENT PRINTING APPLICATION (DPA) ..............................8
>  7.0  NOVELL DISTRIBUTED PRINT SERVICE (NDPS) ..........................8
>  7.1  jmJobSubmissionId Mapped to NDPS .................................8
>  7.2  jmJobIndex Mapped to NDPS ........................................8
>  7.3  Other MIB Objects Mapped to NDPS .................................8
>  7.4  The Attribute Group Mapped to NDPS ...............................8
>  8.0  PRINTER JOB LANGUAGE (PJL) .......................................9
>  8.1  jmJobSubmissionId Mapped to PJL ..................................9
>  8.2  jmJobIndex Mapped to PJL .........................................9
>  8.3  The Attribute Group Mapped to PJL ................................9
>  9.0  POSTSCRIPT ......................................................10
>  10.0  NETWARE PSERVER ................................................10
>  10.1  jmJobSubmissionId Mapped to PServer ............................10
>  10.2  jmJobIndex Mapped to PServer ...................................10
>  10.3  The Attribute Group Mapped to PServer ..........................10
>  11.0  NETWARE NPRINTER or RPRINTER ...................................11
>  12.0  SERVER MESSAGE BLOCK (SMB) PROTOCOL ............................11
>  13.0  TRANSPORT INDEPENDENT PRINTER/SYSTEM INTERFACE (TIP/SI) ........11
>  14.0  REFERENCES .....................................................11
>
>
>  1.0  INTRODUCTION
>
>  The Job Monitoring MIB [JobMIB] is functional with any job submission
>  protocol.  However, the information available and the method of
>  presentation varies significantly by job submission protocol.  A common
>  method of mapping job submission information to the Job Monitoring MIB
>  is essential for interoperability of Job MIB agents and monitoring
>  applications.  This document defines recommended mappings for most
>  popular job submission protocols to insure this compatibility.
>
>  All mappings are unidirectional from the job submission protocol to the
>  MIB.  It is assumed that support of the job submission protocol in the
>  printer implies that the reverse information flow is presently defined
>  and does not require interaction from the MIB.  This mapping is not
>  defined in this document as it should be obvious.
>
>
>  Bergman                                                        [page 2]

>
>
>  Job Submission Protocol Mapping Recommendations             Oct 10, 1997
>
>
>
>
>  This document refers to system configurations that are defined in the
>  Job Monitoring MIB [JobMIB].  For those readers that are familiar with
>  the configuration descriptions, a short summary appears here.  Please
>  see the Job MIB document for further details.
>
>     Configuration 1:  This is a simple peer-to-peer system which contains
>         only a client and a printer.  The Job MIB agent is resident in
>         the printer.
>
>     Configuration 2:  This system contains a client, server, and a
>         printer.  The Jib MIB agent is resident in the server.
>
>     Configuration 3:  This system, as in configuration 2, contains a
>         client, server, and a printer.  In this case the Job MIB agent is
>         implemented within the printer.
>
>  The most important object to be mapped is jmJobSubmissionId, since this
>  is the key for the user to locate a submitted job.  Therefore,
>  jmJobSubmissionId is specified for all job submission protocols defined
>  in this document.  The remaining objects mapped include only those items
>  that have the equivalent information presented to the printer by the job
>  submission protocol.
>
>
>  2.0  LINE PRINTER DAEMON (LPR/LPD) PROTOCOL
>
>  The LPR/LPD printing protocol [LPD] is used with BSD Unix systems in the
>  client-server-printer configuration.  Usage of the Job Monitoring MIB
>  with LPR/LPD will most likely conform to Configuration 3, where the
>  monitor application or the server uses SNMP to obtain job information
>  from the printer.  The client communicates with the Unix server using
>  the existing LPD protocol to obtain job information.
>
>  The LPR/LPD protocol is also used in the Windows environment to
>  implement peer-to-peer printing, as shown in configuration 1.  In this
>  case, SNMP is used by the client and/or the monitor application to
>  obtain the job information.
>
>  One of the major problems of LPR/LPD is the large number of vendor
>  unique extensions currently used with the protocol and the resulting
>  compatibility issues between available implementations.  To avoid these
>  issues, this mapping of LPR/LPD is restricted to the protocol as defined
>  by RFC 1179.
>
>  The LPR/LPD protocol transfers print job data and control information in
>  separate files, known as the Data File and Control File respectively.
>  Most of the information concerning the print job is contained in the
>  Control File.  In many LPD implementations, the Control File is
>  transferred following the Data File.  Thus much of the information
>  concerning the job may not be available until the completion of the data
>  transmission.
>
>
>
>  Bergman                                                        [page 3]

>
>
>  Job Submission Protocol Mapping Recommendations             Oct 10, 1997
>
>
>
>
>  2.1  jmJobSubmissionId Mapped to LPR/LPD
>
>  The LPR/LPD Receive Data File command contains a parameter which defines
>  the name of the data file.  This name field is structured as follows:
>
>          dfaXXX<host-name>  or  daXXXX<host-name>
>
>  Where XXX or XXXX is the numeric job number assigned by the LPR/LPD
>  client submitting the print job.  The recommended mapping of this name
>  field to jmJobSubmissionId is:
>
>    octet 1:   '9'
>
>    octets 2-40:  Contains the <host-name> portion of the name field.  If
>                  the <host-name> portion is less than 40 octets, the
>                  left-most character in the string shall appear in octet
>                  position 2.  Otherwise, only the last 39 bytes shall be
>                  included.
>
>    octets 41-48:  `00000XXX'  or  `0000XXXX'.
>
>
>  2.2  jmJobIndex Mapped to LPR/LPD
>
>  The job index (jmJobIndex) is assigned by the SNMP job monitoring agent
>  and is independent of the XXX (or XXXX) index assigned by the LPR/LPD
>  client.  This will allow the SNMP agent to track jobs received from
>  multiple sources.
>
>
>  2.3  Other MIB Objects Mapped to LPR/LPD
>
>  MIB Object             | LPR/LPD Parameter
>  -----------------------+------------------------------------------------
>  jmJobKOctetsRequested  | Number of bytes as defined in the Data File
>  jmJobOwner             | User Identification string in the Control File
>
>
>  2.4  The Attribute Group Mapped to LPD
>
>  Other attributes that are applicable, but not defined in this section
>  such as attributes that map to a vendor unique extension, may also be
>  included.
>
>  MIB attribute         | LPR/LPD information             | Data type
>  ----------------------+---------------------------------+--------------
>  serverAssignedJobName | Name of the data file (note 1)  | Octet String
>  jobSourceChannelIndex | prtChannelIndex (note 2)        | Integer
>  queueNameRequested    | Queue name from the Data File   | Octet String
>  fileName              | Name of the source file (note 3)| Octet String
>  documentName          | The document title name (note 3)| Octet String
>
>
>
>  Bergman                                                        [page 4]

>
>
>  Job Submission Protocol Mapping Recommendations             Oct 10, 1997
>
>
>
>   Notes:
>   ------
>    1. See section 2.1 (jmJobSubmissionId).
>    2. Included if the Printer MIB is also supported by the agent.
>    3. The information is optional in the Control File.  The attribute
>       should be included if present in the Control File.
>
>
>  3.0  APPLETALK PROTOCOL
>
>  AppleTalk was originally developed as a peer-to-peer network protocol,
>  as described in configuration 1, for use with Apple Macintosh computers.
>  Today, print spoolers are also available for use with Macintosh computer
>  networks that conform to configurations 2/3.  In addition, printing with
>  the AppleTalk protocol is supported from both Windows NT servers and
>  Novell servers also per configurations 2/3.
>
>  The AppleTalk protocol provides very little information that can be used
>  with the Job Monitoring MIB.  The Macintosh print drivers are able to
>  provide information concerning the user and document name but imbed this
>  information in the PDL, which is typically PostScript.  The preferred
>  jmJobSubmissionId is constructed from the information in the PostScript
>  file, as defined in section 9.0.
>
>
>  3.1  jmJobSubmissionId Mapped to AppleTalk
>
>  An alternative jmJobSubmissionId may be constructed from the Connection
>  Identifier contained in the AppleTalk Printer Access Protocol (PAP)
>  header.  Since the Connection Id is not readily available in any of the
>  defined AppleTalk implementations, this approach may be of little
>  utility.
>
>    octet 1:   '?'   ***** NEW TYPE CODE ???? *****
>
>    octets 2-40:  Contains the AppleTalk printer name, with the first
>                  character of the name in octet 2.  (AppleTalk printer
>                  names are a maximum of 31 characters.)
>
>    octets 41-48:  `00000XXX', where `XXX' is the decimal representation
>                   of the Connection Id.
>
>
>  3.2  Other AppleTalk Mappings
>
>  No other Job MIB objects or parameters can be derived from information
>  available in the AppleTalk headers
>
>
>  4.0  INTERNET PRINTING PROTOCOL (IPP)
>
>  The Internet Printing Protocol [IPP] supports printing using any one of
>  the three possible configurations.  For configuration 2, the mapping
>
>
>  Bergman                                                        [page 5]

>
>
>  Job Submission Protocol Mapping Recommendations             Oct 10, 1997
>
>
>
>  defined herein is performed on a server.  Otherwise, the mapping is
>  performed on an agent within the printer.
>
>  4.1  jmJobSubmissionId Mapped to IPP
>
>  IPP contains a rich set of parameters which allow several methods of
>  creating the jmJobSubmissionId object.  The preferred method is to use
>  the IPP job-uri attribute as follows:
>
>    octet 1:   '4'
>
>    octets 2-40:  Contains the IPP job-uri job template attribute.  If
>                  the job-uri is less than 40 octets, the left-most
>                  character in the string shall appear in octet position
>                  2.  Otherwise, only the last 39 bytes shall be included.
>
>    octets 41-48:  Contains the job-id job template attribute.
>
>  If the job-uri is not available to the agent, the job-name job template
>  attribute shall be used.
>
>    octet 1:   '?'  ***** New format required ? (1 for clients) *****
>
>    octets 2-40:  Contains the IPP job-name job template attribute.  If
>                  the job-name is less than 40 octets, the left-most
>                  character in the string shall appear in octet position
>                  2.  Otherwise, only the last 39 bytes shall be included.
>
>    octets 41-48:  Contains the job-id job template attribute.
>
>  If both the job-uri and the job-name are not available, the job-
>  originating-user job template attribute shall be used.
>
>    octet 1:   '4'
>
>    octets 2-40:  Contains the IPP job-originating-user job template
>                  attribute.  If the job-originating-user name is less
>                  than 40 octets, the left-most character in the string
>                  shall appear in octet position 2.  Otherwise, only the
>                  last 39 bytes shall be included.
>
>    octets 41-48:  Contains the job-id job template attribute.
>
>
>  4.2  jmJobIndex Mapped to IPP
>
>  The job index (jmJobIndex) assigned by the SNMP job monitoring agent may
>  be identical to the IPP job-id job template attribute if the agent is
>  receiving jobs only from a single server or client.  If jobs are to be
>  received from multiple sources, jmJobIndex and job-id must be
>  independent.
>
>
>
>
>  Bergman                                                        [page 6]

>
>
>  Job Submission Protocol Mapping Recommendations             Oct 10, 1997
>
>
>
>  4.3  Other MIB Objects Mapped to IPP
>
>  MIB Object                | IPP Job template attribute
>  --------------------------+---------------------------------------------
>  jmJobOwner                | job-originating-user
>  jmJobKOctetsRequested     | job-k-octets
>  jmJobKOctetsProcessed     | job-k-octets-processed
>  jmJobImpressionsRequested | job-impressions
>  jmJobImpressionsProcessed | job-impressions-completed
>  jmJobStateReasons1        | job-state-reasons (note 1)
>  jmNumberOfInterveningJobs | number-of-intervening-jobs
>
>   Notes:
>   ------
>    1. JobStateReasons is a bit map described in one object and three
>       attributes.  The IPP condition may change one or more of the bits
>       in one or more of these Job MIB items.
>
>
>  4.4  The Attribute Group Mapped to IPP
>
>  The following mappings are required if the listed IPP job template
>  attribute is provided.
>
>  MIB attribute              | IPP job template attribute   | Data type
>  ---------------------------+------------------------------+-------------
>  jobName                    | job-name                     | Octet String
>  documentFormat             | document-format              | Octet String
>  jobPriority                | job-priority                 | Integer
>  jobHoldUntil               | job-hold-until               | Octet String
>  sides                      | sides                        | Integer
>  finishing                  | finishings                   | Integer
>  printQualityRequested      | print-quality                | Integer
>  printerResolutionRequested | printer-resolution           | Integer
>  jobCopiesRequested         | copies                       | Integer
>  mediumRequested            | media                        | Octet String
>  jobSubmissionTime          | time-at-pending              | Integer
>  jobStartedProcessingTime   | time-at-processing           | Integer
>  jobCompletionTime          | time-at-completed            | Integer
>  sheetsRequested            | job-media-sheets             | Integer
>  jobURI                     | job-uri                      | Octet String
>  jobStateReasonsN           | job-state-reasons (note 1)   | Integer
>  physicalDevice             | output-device-assigned       | Octet String
>  sheetsCompleted            | job-media-sheets-completed   | Integer
>
>   Notes:
>   ------
>    1. JobStateReasons is a bit map described in one object and three
>       attributes.  The IPP condition may change one or more of the bits
>       in one or more of these Job MIB items.
>
>
>  5.0  INTELLIGENT PRINTER DATA STREAM (IPDS)
>
>
>  Bergman                                                        [page 7]

>
>
>  Job Submission Protocol Mapping Recommendations             Oct 10, 1997
>
>
>
>
>
>  6.0  DOCUMENT PRINTING APPLICATION (DPA)
>
>
>  7.0  NOVELL DISTRIBUTED PRINT SERVICE (NDPS)
>
>  Novell Distributed Print Services is a DPA based job submission protocol
>  that conforms to configuration 3.
>
>
>  7.1  jmJobSubmissionId Mapped to NDPS
>
>  NDPS supports the generation of a properly formatted jmJobSubmissionId
>  for use in the Job MIB.
>
>
>  7.2  jmJobIndex Mapped to NDPS
>
>  NDPS does not provide a value that can be mapped to jmJobIndex.
>
>
>  7.3  Other MIB Objects Mapped to NDPS
>
>  MIB Object             | NDPS Parameter
>  -----------------------+------------------------------------------------
>  jmJobOwner             |
>
>
>  7.4  The Attribute Group Mapped to NDPS
>
>  The following mappings are required if the listed PJL attribute or
>  command option is provided.
>
>  MIB attribute              | NDPS parameter               | Data type
>  ---------------------------+------------------------------+-------------
>  jobAccountName             |
>  serverAssignedJobName      |
>  jobName                    |
>  jobServiceTypes            |
>  numberOfDocuments          |
>  fileName                   |
>  documentName               |
>  jobComment                 |
>  documentFormatIndex        |
>  documentFormat             |
>  jobPriority                |
>  jobProcessAfterDateAndTime |
>  jobHoldUntil               |
>  outputBin                  |
>  sides                      |
>  finishing                  |
>  printQualityRequested      |
>
>
>  Bergman                                                        [page 8]

>
>
>  Job Submission Protocol Mapping Recommendations             Oct 10, 1997
>
>
>
>  printerResolutionRequested |
>  jobCopiesRequested         |
>  mediumRequested            |
>  jobSubmissionToServerTime  |
>  jobSubmissionTime          |
>
>
>  8.0  PRINTER JOB LANGUAGE (PJL)
>
>  PJL [PJL] has been developed by Hewlett-Packard to provide job control
>  information to the printer and status information to applications,
>  independent of the PDL.  PJL is normally transferred using a traditional
>  job submission language such as LPR/LPD or NetWare PServer.
>
>
>  8.1  jmJobSubmissionId Mapped to PJL
>
>  PJL has defined the SUBMISSIONID option for the JOB command which
>  indicates a properly formatted jmJobSubmissionId for use in the Job MIB.
>  The PJL JOB command is presented at the start of a print job with
>  options that apply only the attached job.  The syntax for this command
>  option is:
>
>        @PJL JOB SUBMISSIONID = `
                                 `id
string'
                                            '
>
>  Driver software that implements this PJL command option must provide the
>  `
   `id string'
              ' in one of the client version formats
specified in the Job
>  MIB for jmJobSubmissionId.
>
>  For drivers that are not able to create the SUBMISSIONID option, it is
>  recommended that jmJobSubmissionId format 0 be created by the agent
>  using the PJL attribute DocOwner or DocOwnerId.
>
>    octet 1:   '0'
>
>    octets 2-40:  Contains the string associated with DocOwner or
>                  DocOwnerId.  If the string is less than 40 octets, the
>                  left-most character in the string shall appear in octet
>                  position 2.  Otherwise, only the last 39 bytes shall be
>                  included.  If DocOwner or DocOwnerId cannot be obtained,
>                  this field shall be blank.
>
>    octets 41-48:  Contains the value of jmJobIndex associated with the
>                   job.
>
>
>  8.2  jmJobIndex Mapped to PJL
>
>  PJL does not provide a value that can be mapped to jmJobIndex.
>
>
>  8.3  The Attribute Group Mapped to PJL
>
>
>
>  Bergman                                                        [page 9]

>
>
>  Job Submission Protocol Mapping Recommendations             Oct 10, 1997
>
>
>
>  The following mappings are required if the listed PJL attribute or
>  command option is provided.
>
>  MIB attribute         | PJL attribute or command option  | Data type
>  ----------------------+----------------------------------+--------------
>  jobOwner              | DocOwner or DocOwnerId attribute | Octet String
>  serverAssignedJobName | DocName attribute or the command | Octet String
>                        |  @PJL JOB Name = `
              `string'
'        | Octet String
>  submittingServerName  | SrcServerName attribute          | Octet String
>  jobOriginatingHost    | SrcPort attribute                | Octet String
>  queueNameRequested    | SrcQ attribute                   | Octet String
>  fileName              | JobFName attribute               | Octet String
>  jobComment            | JobDesc attribute                | Octet String
>  jobSubmissionTime     | TimeSubmit attribute             | Octet String
>
>
>  9.0  POSTSCRIPT
>
>
>  10.0  NETWARE PSERVER
>
>  The NetWare PServer job submission protocol is implemented in a client-
>  server-printer system on the server to printer link as defined in
>  configuration 3.
>
>
>  10.1  jmJobSubmissionId Mapped to PServer
>
>    octet 1:   '?'   ***** New format req'd ??? *****
>
>    octets 2-40:  Contains the Directory Path Name as recorded by the
>                  Novell File Server in the queue directory.  If the
>                  string is less than 40 octets, the left-most character
>                  in the string shall appear in octet position 2.
>                  Otherwise, only the last 39 bytes shall be included.
>
>    octets 41-48:  `000XXXXX'  The ASCII representation of the Job Number
>                   as per the queue directory.
>
>
>  10.2  jmJobIndex Mapped to PServer
>
>  The job index (jmJobIndex) is assigned by the SNMP job monitoring agent
>  and is independent of the Job Number assigned by the NetWare File
>  Server.  This will allow the SNMP agent to track jobs received from
>  multiple sources.
>
>
>  10.3  The Attribute Group Mapped to PServer
>
>  The following mappings are required if the listed PServer parameter is
>  provided in the Novell File Server queue directory.
>
>
>
>  Bergman                                                        [page 10]

>
>
>  Job Submission Protocol Mapping Recommendations             Oct 10, 1997
>
>
>
>  MIB attribute              | PServer parameter           | Data type
>  ---------------------------+-----------------------------+--------------
>  jobOwner                   | Client Id Number            | Integer
>  serverAssignedJobName      | Job File Name               | Octet String
>  queueNameRequested         | Queue Id                    | Integer
>  physicalDevice             | Server Id Number            | Integer
>  jobComment                 | Job Description             | Octet String
>  jobPriority                |
>  jobProcessAfterDateAndTime | Target Execution Time       | Octet String
>  jobHoldUntil               |
>  jobCopiesRequested         | Number of Copies            | Integer
>  mediumRequested            | Form Name                   | Octet String
>  jobSubmittedToServerTime   | Job Entry Time              | Octet String
>
>
>  11.0  NETWARE NPRINTER or RPRINTER
>
>  The NetWare NPrinter/RPrinter protocol was designed to transfer print
>  data from a Novell File Server to a printer attached directly to a local
>  port (e.g. parallel or serial) on a PC.  NPrinter/RPrinter is an
>  extremely lightweight printing protocol.  Consequently, no information
>  required by the Job Monitoring MIB is provided and a meaningful
>  jmJobSubmissionId cannot be generated.
>
>  It is recommended that an additional job submission layer, such as PJL
>  or another vendor private protocol,  be included on top of
>  NPrinter/RPrinter to provide the required information.  The mapping
>  should then be performed according to the recommendations of the higher
>  layer submission protocol.
>
>
>  12.0  SERVER MESSAGE BLOCK (SMB) PROTOCOL
>
>
>  13.0  TRANSPORT INDEPENDENT PRINTER/SYSTEM INTERFACE (TIP/SI)
>
>
>  14.0  REFERENCES
>
>  [IPP]  The Internet Printing Protocol RFC XXXX, Model RFC XXXX
>
>  [JobMIB]  The Job Monitoring MIB, RFC XXXX, IETF informational document.
>
>  [LPD]  Line Printer Daemon Protocol, RFC 1179, IETF informational
>  document.
>
>  [PJL]  Printer Job Language Technical Reference Manual, Hewlett-Packard
>  part number 5021-0328.
>
>  [PrtMIB]  The Printer MIB, RFC 1759, IETF standards track document.
>
>
>
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>  Bergman                                                        [page 11]

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