Solution : https://service.sap.com/sap/support/notes/77790 (SAP Service marketplace login required)
Key words : 
text symbols  006  source selection  r21   hardcopy  r22   edi 4, object component 'text elements' 2, choose 'text symbols' 3, additional key words, call transaction se38, special report rgjvbr22, prerequisites report rgjvbr22, hardcopy billing, program rgjvbr22, invoice data
Related Notes : 
       
| 79716 | IS-Oil and 30D Hot Package 19 (HPC 30D/2) | 
| 79500 | JV Billing: Header lines for report RGJVBR22 | 
| 70706 | Reconciliation Report for Invoice & Exp. Detail |