For network printer objects (class WPRPrinter) you may use the settings for Printer objects and the following:
 
  Class WPRPrinter
  Key Name         Value          Description         (OS/2 3.0 ?)
  ----------------------------------------------------------------
  NETID            LS:\\server\alias
                                  The alias name
  SHOWJOBS         OWN|ALL        show all jobs or only the
                                  current user jobs
  REFRESHINTERVALL n              Time interval, in seconds, when
                                  the printer object is refreshed
Source: Workplace Shell Programming Guide (OS/2 WARP Toolkit)