Product details
Overview
The Epson LQ-350 is a reliable 24-pin impact dot matrix printer designed for front and back office work, especially where multi-part continuous stationery or continuous paper is used. It combines decent speed, durability, and economy, with multiple interfaces (USB, serial, and parallel) for flexibility.
Key Features
| Feature | Description |
|---|---|
| Print Technology | 24-pin impact dot matrix. |
| Columns | 80 columns. |
| Speed | Various modes: • HighSpeed-Draft (10 cpi): ~ 347 chars/sec • Draft (10 cpi): ~ 260 chars/sec • “LQ” quality (10 cpi): ~ 86 chars/sec |
| Resolution | 360 × 180 dpi. |
| Copies (Multi-Part Forms) | Supports up to 3 carbon copies + 1 original (so 4 layers total). |
| Mean Time Between Failures (MTBF) | 10,000 operating hours. |
| Print Head Life | 400 million strokes per wire. |
| Ribbon Yield | • Draft mode: about 3,000,000 characters • LQ mode: about 2,500,000 characters (black) |
Interfaces & Connectivity
USB 2.0 (Type B)
RS-232 serial port
Bidirectional parallel port
Paper / Media Handling
| Parameter | Details |
|---|---|
| Feed paths | Single sheet rear feed; continuous media rear feed; paper output at rear. |
| Media types | Plain paper; continuous forms; multi-layer (carbon / carbonless) forms; labels; envelopes; roll paper. |
General Specs
| Parameter | Value |
|---|---|
| Dimensions (W × D × H) | ~ 348 × 275 × 154 mm |
| Weight | ~ 4.1 kg |
| Power Consumption | 22-23 W when printing / powered on; about 1.3 W in standby/sleep mode. |
| Voltage (Supply) | AC 200-240 V (region-appropriate) |
| Noise | ~ 53 dB(A) during operation. |
| Operating Environment | Temperature: ~ 5°C to 35°C; Humidity: 10-80% |
| Memory | 128 kB on-board memory included. |
Emulations / Languages / Compatibility
Supports ESC/P2 (Epson standard control language)
Also supports IBM PPDS / IBM 2390 Plus emulation in some documentation.
Compatible with Windows OS family (older Windows: 2000, XP, Vista, 7, etc.).
Warranty / Other
Warranty: 24 months carry-in (i.e. you bring in for service).
“What’s in the box”: main unit, ribbon, setup guide, user manual & driver utilities, warranty documentation.







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