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HP E0495 Local Printers, Network Peripherals, Output Destinations

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The spooler routes a request to be printed on a particular printer when five conditions are met:

1.The request names the printer (or a class in which the printer is a member) as its destination.

2.The printer becomes available, that is, the printer is declared to be operational for spooling purposes and it is not already busy printing a request.

3.No higherpriority requests are queued for that printer.

4.The •priority fence" for the printer is set such that the request may be sent to the printer. Details of priority fences are given in a following section.

5.The request is the first of all requests with the same priority in the queue for that printer.

Output Destinations

In the LP spool system, the term •printer" refers to any device to which it can output, in keeping with the HPUX terminology. The actual type of output device is not restricted by the LP spool system, although HP provides support only for printer and plotter devices. In this documentation, the term printer is used to mean any output device, unless printer devices are specifically indicated.

Three general categories of printers are accessed by the LP spool system: local printers, which are actual print devices directly connected to the local system, network peripherals, which are printers connected to a LAN (not to any one system), and remote printers, which are network links to printers located on remote hosts.

Local Printers

Local printers are physical print devices directly connected to the local system, usually through a MUX, ASIC, or HPIB interface. The LP spooler prints to any supported printer or plotter in a supported configuration using the standard RTE drivers. Additionally, you can develop your own custom device handlers for other devices to which you want to spool output.

Network Peripherals

The LP spooler prints to network peripherals connected to Ethernet LANs by HP JetDirect cards. You must have the NSARPA/1000 or ARPA/1000 subsystem installed to print to these devices. Network peripherals function similarly to local devices connected to your system via a LAN.

22 LP Spool System

Contents

RTEA Print and Spooling Reference Manual NOTICE Printing History Page Preface Page Table of Contents rbsd hpnp_pcl 259 hpnp_passthru 260 Tables Page Introduction Page LP Spool System Overview Local Printers Network Peripherals Remote Printers Printer Interfaces Printer Model Files Printer Classes Destination Availability Spooled File Formats LP Spool System User Interface accept cancel Page cancel: printer ”printer” was not busy [locally] printer cancel: no requests selected on ”dest” [locally] cancel: warning: fmp error /usr/spool/lp/hostname fmp error disable Page enable CI> lp [-options] file|mask [file|mask...] [<fileoffiles] Copy files to be printed into the spool request directories (directories under /usr/spool/lp/request that the spool system uses to access the files in a always copied -ddest CI might be: CI> lp -o‘bsd‘p filename -ppriority in which requests are printed. If not specified, the default priority for the printers that are a member of the destination class is used Page Page lpadmin Page Page Page lpalt Page Page lpfence lpmove Page lpsched Page lpshut lpstat -c[list] list of class names. By default, all classes are shown. An example listing is: members of class laserjets: lj3 Page Page reject Page LP Spooler Administration NSARPA/ARPA Configuration The rlpout Program The rlpdaemon Program Installing the Spool System Software Page $rte_progs /programs $rte_snap $rte_usr Directory in which usr files are to be placed. The default is /usr $LINK Spooler Administration Tasks Page Page Page 5. If the printer has been disabled, enable the printer as follows: Log File Maintenance The LP spool system keeps two log files: •.old" extension after purging an existing •.old" file Resetting the Request ID Sequence Number Troubleshooting Page Dremote rejects submissions Also check file /usr/spool/lp/log for error messages related to the printer Problem: Remote printers on other hosts cannot access the printer on my HP Ddestination dest is not accepting requests Ddestination dest non-existent HPSupplied Printer Interfaces The rtestd Interface hold locked to the lpout program. Both times, lpout prints a message on the system console of the form: lpout handling the print operation remains in the paused state until an RTE GO command is issued for that program name. In this manner, adjustments to the Page Page typenn or stypenn Line Printer Pica Elite b or bold Set primary font stroke weight to bold (weight 1). [Esc(s1B PCL3] ps or sps Set the primary (ps) or secondary (sps) font to proportional spacing [Esc(s1P PCL3] The passthru Interface The rrte Model The rhpux Model The rbsd Model The hpnp_pcl Model The hpnp_passthru Model The Model Custom Printer Interfaces Modifying Printer Interface Sources Programming Considerations SP Spool System SP Runstring ON[,–S sess][,lu1],lu2[,DC] lu1 lu2 sp,on,7,9 sp,on,9,11 LU Redirection Spooling LU Output ST Command Listing Format SP Spooler Administration Programmatic Spooling The PRINT Utility PRINT Runstring PRINT Options Page This option returns a short explanation of the PRINT options The format of the option is: +A:outputfilename This option prints the specified string as a banner headline +B:string Note Page Page PRINT Operation PRINT Messages PRINT Return Values PRINT Examples CI> print +b:C.85 +b:libraries: fnewf.ftn @.mac This example produces a leading page with the following banners: C.85 LIBRARIES: FNEWF.FTN PRINT Administration A listing of the &FFL module is given below: Page Page Index Page adding, 243 interfaces, 23 custom, 261 loading new forms, 244 model files, 23 remote, 257 removing, 243 priority, LP spool system, 225 fence priority, 225 rbsd model file, 258