| Summary | Compact, narrow (ML720) / wide (ML721) carriage dot matrix with push tractor / paper park. |
| Print Speed 10CPI (CPS) | HSD: 507, Utility: 380, NLQ: 95 |
| Printer Language | Epson ESC/p2, IBM, OKI ML |
| Paper Input standard | Rear Push Tractor |
| Paper Input optional | Pull Tractor kit, Push Tractor Kit, Paper Roll Holder (ML720) |
| Paper Size | Tractor: 76 to 254mm (ML720); 76 to 406mm (ML721) |
| Paper Thickness | Original + 5 parts |
| Interfaces standard | USB, Parallel |
| Interfaces optional | RS232 Serial, Internal Network |
| Dimensions / Weight | 153H x 398W x 345D, 7.5kg / 153H x 552W x 345D, 9.5kg |
| Warranty | 1 year return to base |