|---------------------------------------------------------------------|
 |                              sender                                 |
 |                                                                     |
 | queue with filter                                         |
 |                                                                     |
 | original data --( print filter )--> printer-specific data |
 |                                                      |              |
 |------------------------------------------------------|--------------|
                                                        |
                                               ( data transmission ) 
                                                        |
 |------------------------------------------------------|--------------|
 |                              recipient               |              |
 |                                                      v              |
 |                                            printer-specific data |
 |---------------------------------------------------------------------|