Solution : https://service.sap.com/sap/support/notes/134506 (SAP Service marketplace login required)
Key words : 
symptom pm/sm/qm notifications, additional key words iw21, pm/sm orders, source code correction, active print diversion, output device carried, spool control check, additional check, spool control, output device
Related Notes : 
       
| 107769 | Setting 'Print online' does not work | 
| 102366 | TD460: No authorization |