The Source Name box specifies the names of 12 possible paper sources from which one can be selected. The following contains the names and a brief description of each.
| Paper Source | Description |
| DMBIN_UPPER/ONLY | Upper bin |
| DMBIN_LOWER | Lower bin |
| DMBIN_MIDDLE | Middle bin |
| DMBIN_MANUAL | Manual feed |
| DMBIN_ENVELOPE | Envelope feed |
| DMBIN_ENVMANUAL | Manual-envelope feed |
| DMBIN AUTO | Automatic-sheet feeder |
| DMBIN_TRACTOR | Tractor feed |
| DMBIN_SMALLFMT | Small-format paper |
| DMBIN_LARGEFMT | Large-format paper |
| DMBIN_LARGECAPACITY | Large-capacity bin |
| DMBIN_CASSETTE | Paper cassette |
For the Diconix 150 Plus, the primary paper source is the tractor-feed mechanism; therefore, DMBIN_TRACTOR is selected.
For the HP LaserJet IIP, the primary paper source is the upper-paper tray; therefore, DMBIN_UPPER/ONLY is selected.