Solution : https://service.sap.com/sap/support/notes/896953 (SAP Service marketplace login required)
Key words :
smart form print action, sap-gui front end, front-end print, back-end print, front-end printing, front-end printer, back-end printer, spool request remains, pdf preview function, user-specific printer
Related Notes :
1075270 | Front-end printing activated in PPF print actions |
616762 | Front-end printing in BSP or Web Dynpro applications |
521529 | PPF: Setting up dynamic printer determination |