The SCP shall use the N-EVENT-REPORT to inform the SCU about each execution change. The SCP shall send the events to all SCUs with which the SCP has an Association that is using the printer for which the status changes.
The SCU shall return the confirmation of the N-EVENT-REPORT operation.
If the Event Type Name = Warning or Failure then the warning/failure condition is stored in the Printer Status Info argument. The possible values the Printer Status Info argument are defined in H.4.6.3.