===== Printer =====
  lpadmin -p <queue> -v <device> \ -P <PPD-file> -E
example:
  lpadmin -p ps -v socket://10.0.0.200:9100/ -P \ /usr/share/cups/model/Postscript-level1.ppd.gz -E
or
  lpadmin -p ps -v parallel:/dev/lp0 -P \ usr/share/cups/model/Postscript.ppd.gz -E

Generate a print job:
  lpr -P color chart.ps
  lp -d color chart.ps
  lpq -P printr
  lpq -a
  
==== SAP ====
Configured printers:
  /usr/sap/lprng/etc/printcap

Home printer:
  /usr/sap/lprng/spool/<queuename>

Start/ stop spooler:
  /usr/sap/lprng/bin/lprng.sh start | stop
  /usr/sap/lprng/bin/lprng.sh stop && /usr/sap/lprng/bin/lprng.sh start
  
Status/ display current printer queue:
  /usr/sap/lprng/bin/lpq -PPrintername
  
Pid:

  /usr/sap/lprng/run/lpd.*
  
Disable queue-entry:
  ./lpc disable <queuename>
  
Enable queue-entry:
  ./lpc enable <queuename>
  
Disable exit:
  ./lpc stop <queuename>
Enable exit:
  ./lpc start <queuename>
  
Switch off entry and exit:
  ./lpc down <queuename>
  
Switch on entry and exit:
  ./lpc up <queuename>

Kill printqueue:
  ./lpc kill <queuename>
  
Delete one job:
  /usr/sap/lprng/bin/lprm -PPrintername <job-nr>
Delete all jobs:
  /usr/sap/lprng/bin/lprm -PPrintername all