| Print speed | Up to 550 char/sec - ultra speed draft - 10 cpi |
| Up to 584 char/sec - high speed draft - 12 cpi |
| Up to 487 char/sec - high speed draft - 10 cpi |
| Up to 366 char/sec - draft - 10 cpi |
| Up to 121 char/sec - laser quality - 10 cpi |
| Resolution | 10, 12, 15 cpi |
| Number of Pins | 24 pins, 80 columns |
| Character Pitch | 10cpi: 80 columns |
| Interface | Hi-Speed USB - compatible with USB 2.0 specification, Parallel |
| Memory | 128 kB |
| Paper Size | 6 + 1 original (ความหนารวมไม่เกิน 0.014 นิ้ว) |
| Continuous paper 4 in - 10 in (width), 3.9 in x 3.9 in, 10.12 in x 14.29 in, 182 x 210 mm, 216 x 363 mm |
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| Paper Thickness Continuous Paper : 0.065 mm - 0.49 mm |
| Paper Thickness Label Base Sheet : 0.16 mm - 0.19 mm |
| Paper Thickness Multi Part : 0.12 mm - 0.46 mm |
| Paper Thickness Single Sheet : 0.065 mm - 0.14 mm |
| Paper Capacity | Paper Formats : Sheet Paper (single- and multi-layer), Continuous Paper (single- and multi-layer), Labels (single- and multi-layer), Roll Paper, Envelopes, Cardboard |
| Cartridge | EPSON SIDM BLACK RIBBON CARTRIDGE FOR LQ-590 : C13S015337 (5 Million Chars) |
| MTBF | 25,000 Hours |
| Print head life | 400 Million Strokes/Wire |
| Operating System Support | Windows 10, Windows 7, Windows 8, Windows Vista, Windows XP |
| Noise level | Operation: 55 dB (A) |
| Power Supply | AC 220 - 240 V, 50 - 60 Hz |
| Power Consumption | Operating : 49W |
| Sleep Mode : 0.5W |
| Power Off : 0.1W in power off mode |
| Environment | Temperature : Operation 5° C - 35° C |
| Humidity : Operation 10% - 80% |
| Dimensions | 437 x 375 x 177 mm (Width x Depth x Height) |
| Weight | 7.2 kg |
| Package Contents | Main Unit |
| CD-ROM |
| Set-up Manual |
| AC Power Cable |
| Ribbon Cartridge |
| Guide Stacker |
| Wing |
| Tractor |
| - | Barcodes : Code 128, Code 39, EAN-13, EAN-8, Interleaved 2 of 5, POSTNET, UPC-A, UPC-E |
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| Character Tables : PC437, PC708, PC720, PC850, PC858, PC864, PCAR864, ISO-8859-15, Roman 8, Italic |