Solution : https://service.sap.com/sap/support/notes/855342 (SAP Service marketplace login required)
Key words :
avoid unnecessary time-consuming analyses, sufficiently long time interval, -called task handler message, fixed sap work process, print request xxxxxx/1 created, task handler message, customers occasionally report, time zone correctly, spooler works internally, background jobs running
Related Notes :
776933 | "Sequential order processing" does not seem to work. |
412065 | Incorrect output sequence of output requests |