Key Features
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High-Speed Printing: Capable of printing up to 357 characters per second (cps) at 12 CPI in High Speed Draft mode, and up to 390 cps at 15 CPI in Condensed mode
- Enhanced Reliability: Rated for 10,000 MTBF (Power-On Hours)—a 67% improvement over its predecessor. The printhead supports approximately 400 million strokes
- Flexible Paper Handling: Supports continuous tractor feed, cut sheets, envelopes, labels, and roll paper—up to 5-part carbonless forms (1 original + 4 copies).
- Flexible Connectivity: Offers USB 2.0, parallel (IEEE-1284), and serial ports, compatible with legacy and modern systems.
- Large Buffer Memory: 128 KB data buffer reduces printing wait times and ensures smoother output.
- Cost-Effective Operation: Low power consumption (~27 W during operation) and long-lasting ribbon cartridges (~4 million characters per ribbon).
📋 Technical Specifications
| Specification | Detail |
|---|---|
| Printhead | 9-pin narrow carriage |
| Print Speeds | Up to 357 cps @12 CPI (HS Draft); up to 390 cps @15 CPI (Condensed) |
| Buffer Memory | 128 KB |
| Reliability | MTBF: 10,000 POH; Printhead life ~400 million strokes |
| Paper Formats | Continuous forms, envelopes, cut sheets, labels, roll paper |
| Interfaces | USB 2.0; Parallel IEEE‑1284; Serial |
| Ribbon Yield | ~4.0 million characters |
| Power Usage | ~27 W (active), ~1.1 W (sleep), ~0.3 W (auto-off) |
| Noise Level | ~53 dB(A) |
| Supports Operating Systems | Windows 2000, XP, Vista, 7, 8, 8.1, 10 |
| Dimensions & Weight | ~362 × 275 × 154 mm; ~4.1 kg |
🧠 Final Verdict
The Epson LX‑310 is an ideal solution for businesses requiring rugged, high-volume, and multi-part form printing. With its legacy connectivity, mechanical reliability, and efficient operation, it remains among the best dot matrix solutions for transactional environments.



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