Specifications 20
| Maximum resolution | 240 x 144 DPI |
| Colour | No |
| Maximum print speed | 1550 cps |
| Built-in barcodes | Code 39, POSTNET, UPC-A, UPC-E |
| Maximum print size | A4 (210 x 297 mm) |
| Buffer size | 128 KB |
| Sound pressure level (printing) | 58 dB |
| Dimensions (WxDxH) | 700 x 378 x 363 mm |
| Power requirements | 100-240V, 50-60Hz |
| Connectivity technology | Wired |
| Compatible operating systems | Microsoft Windows 95 / 98 / 2000 / Me / XP/ Windows NT 4.0 |
| Standard interfaces | Serial |
| Ribbon life | 15 million characters |
| Mean time between failures (MTBF) | 20000 h |
| Power consumption (typical) | 7.5 W |
| Power consumption (standby) | 1.85 W |
| Operating temperature (T-T) | 5 - 35 °C |
| Operating relative humidity (H-H) | 10 - 80% |
| Weight | 34 kg |
| Sustainability certificates | ENERGY STAR |