7. Appendix
Sharing the Printer with IPDS host systems
(PSF/400 or z/OS)
• The printer accepts jobs from multiple logical ports (such as TCP/IP LPR, Port 2501, or IPDS). The
printer automatically chooses the next job to print from the highest priority port that has a job ready
to print. The printer chooses the next job when the client closes the port that was used for the
previous job. If the client does not close the port, the printer automatically closes it after a period of
time called the timeout interval. For details, see the Web Image Monitor Help.
• Unlike PostScript and PCL, the IPDS data stream is tightly controlled by the host system. For proper
operation when printing IPDS, the host system must terminate the TCP/IP connection. Host system
output writers post an error if the printer closes the port. Therefore, for printing IPDS, the printer must
be configured for an infinite timeout, and the host system is configured to close the connection after
the output queue is empty for some period of time.
• The drawback of this method is that the IPDS host system must retransmit downloaded PSF
resources each time a new connection with the printer is established. This issue can be corrected by
using a feature called MID (Managed IPDS Dialog). MID allows the TCP/IP connection to remain
active and it allows the printer to retain the IPDS resources while freeing the printer to process
PostScript and PCL jobs from other ports. Only z/OS and the System I host systems support MID. (It
is not supported by AIX or InfoPrint Manager).
• For more information, see page 25 "Sharing the printer with other non-IPDS host systems using
• MID is a negotiated sequence between the printer and the host system. The printer requests the
suspension of IPDS activity. At an appropriate time the host system grants the request. When
suspended, the IPDS TCP/IP connection between the host and the printer remains open, and the
downloaded IPDS resources are retained by the printer. When the printer receives the grant it is
free to process PostScript and PCL jobs from other ports. IPDS activity resumes when the host system
has another IPDS job to print.
• The MID feature should not be used if multiple IPDS host systems send jobs to the same printer
because the first IPDS host system that gains access to the printer will block the other IPDS host
systems from obtaining an IPDS TCP/IP connection to the printer.
53
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Страница 212: ...2 Configuring User Authentication 66...
Страница 226: ...3 Restricting Printer Usage 80...
Страница 248: ...4 Preventing Leakage of Information from Printer 102...
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Страница 460: ...1 Introduction 10...
Страница 478: ...4 Installing the Printer Driver for a Local Connection 28...
Страница 484: ...6 Troubleshooting 34...
Страница 492: ...8 Updating or Deleting the Printer Driver 42...
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Страница 505: ...7 Appendix Sharing the Printer with IPDS host systems PSF 400 or z OS 53 Trademarks 54 INDEX 55 3...
Страница 516: ...2 InfoPrint Manager for Windows 14...
Страница 532: ...3 Configuring System i for an IPDS Printer 30...
Страница 550: ...5 InfoPrint Manager for AIX 48...
Страница 557: ...INDEX C Configuration checklist 9 D Default parameter values 10 N Notice 5 S Symbols 6 55...
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Страница 628: ...1 IPDS Overview 38...
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Страница 836: ...1 Device Control Command Set 106...
Страница 858: ...2 Presentation Text Command Set 128...
Страница 919: ...Offset Range Meaning Error Code 5 End DATA to be bar encoded X 040C 00 Write Bar Code 189...
Страница 920: ...6 Bar Code Command Set 190...
Страница 922: ...7 Overlay Command Set 192...
Страница 924: ...8 Page Segment Command Set 194...
Страница 926: ...9 Object Container Command Set 196...
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Страница 952: ...2 CYP122 CYP125 CYP123 DBH154 CYP124 DBH155 CYP129...
Страница 953: ...3 DBH151 2 1 CYP128 DBH152 2 1 CYP127 DBH153...
Страница 955: ...Design Size A5 Paper Size B5 2013 Printed in China JA JP EN GB EN US EN AU M160 7522 CYN702 CYN703 CYN701...