Epson LX-350 Monochrome 9-Pin Dot Matrix Printer with USB Parallel Functionality

Epson LX‑350 Monochrome 9‑Pin Dot Matrix Printer

The Epson LX‑350 is a rugged, high‑performance dot matrix printer designed for demanding office and industrial environments. With its 9‑pin print head, it delivers crisp, reliable text on a wide range of media types—including envelopes, labels, continuous paper rolls, and standard sheets—making it an ideal choice for multi‑part forms, invoices, receipts, and other high‑volume printing tasks.

Key Technical Highlights

• Print Technology: Dot matrix (electro‑static) with a 9‑pin print head capable of 400 million characters before replacement.
• Resolution: Up to 240 × 144 DPI, providing sharp text and fine line work.
• Maximum print speed: 357 characters per second (cps) in normal mode, 312 cps in draft mode.
• Print width: Supports up to 80 columns (347 characters), suitable for A4 and letter‑size documents.
• Memory: Built‑in 128 KB buffer, allowing efficient handling of large print jobs without stalling.
• Operating temperature: 5 °C to 35 °C (±10–80% relative humidity).
• Noise level: 53 dB, a moderate sound level for office use.
• Power consumption: 27 W during operation; standby power drops to 1.1 W.

Connectivity and Interface Options

The LX‑350 offers versatile connectivity, ensuring seamless integration into existing systems:

• USB 2.0 – Fast data transfer for modern PCs and laptops.
• Parallel (LPT) – Classic interface for legacy hardware.
• RS‑232 Serial – Reliable serial communication for industrial controllers.

All interfaces support the Epson ESC/P2 command language, guaranteeing compatibility with a wide range of software applications and operating systems.

Media Compatibility

• Envelopes (briefcases, business envelopes)
• Labels (shipping, barcode, product labels)
• Continuous paper rolls (standard and high‑speed)
• Standard sheets up to A4 size (210 × 297 mm)

The printer’s robust design allows it to handle heavy duty media without compromising print quality or speed.

Barcode Support

Integrated barcode printing capabilities include:

• Code 128 (A/B/C)
• Code 39
• EAN‑13 and EAN‑8
• Interleaved 2/5
• POSTNET
• UPC‑A and UPC‑E

This makes the LX‑350 a powerful tool for logistics, inventory management, and retail applications.

Durability and Reliability

• Mean Time Between Failures (MTBF):** 10 000 operating hours, ensuring long service life in continuous use scenarios.
• Print head lifespan: up to 400 million characters, reducing maintenance frequency.
• Designed for high‑volume environments such as back‑office processing centers, call centers, and manufacturing facilities.