Solution : https://service.sap.com/sap/support/notes/61905 (SAP Service marketplace login required)
Key words : 
additional key words, windows terminal server, ftpcd incomingbinput <filename>, print job received, function 'local printout', sapgui work directory, temporary print file, print data, temporary file, local printing
Related Notes : 
       
| 40024 | Transferring customer files to sapserv# using ftp | 
| 12552 | Request for debugging information for SAPLPD |