Epson LQ-350 Dot Matrix Printer: High-Quality Impact Printing

The Epson LQ-350 Dot Matrix Printer is a reliable, economical 24-pin impact printer designed for front and back office applications requiring continuous paper or multi-part stationery. With a compact design, high ribbon yield, and versatile connectivity, it’s ideal for businesses, retail, and administrative environments needing durable, cost-effective printing for invoices, receipts, and forms. Its robust build and low power consumption make it a practical choice for high-volume tasks.

Product Features

High-Quality Monochrome Printing

Fast and Sharp Print Speeds

The Epson LQ-350 delivers print speeds of up to 347 characters per second (cps) at 10 characters per inch (cpi) in high-speed draft mode, 357 cps at 12 cpi, and 260 cps in draft mode at 10 cpi. For sharper text, near letter quality (NLQ) mode achieves 86 cps at 10 cpi and 103 cps at 12 cpi. The 24-pin printhead produces clear text and basic graphics at a resolution of 360 x 180 dpi, ideal for detailed forms and reports.

24-Pin Impact Technology

With a 24-pin, serial impact dot matrix printhead and 80-column carriage, the LQ-350 offers superior text clarity compared to 9-pin models like the LX-350. It supports scalable fonts and letter-quality printing, making it suitable for professional documents and multi-part forms in retail or service industries.

Economical Operation

High Ribbon Yield

The LQ-350 uses the Epson C13S015633 ribbon cartridge, yielding up to 2.5 million characters in letter quality mode or 3 million in draft mode, reducing replacement frequency and costs. Compatible with LQ-300 series ribbons, it ensures easy supply availability. This high yield supports cost-efficient, high-volume printing.

Low Power Consumption

Consuming just 1.3W in sleep mode and 22–23W during operation, the LQ-350 is ENERGY STAR certified for energy efficiency, minimizing electricity costs. Its power-efficient design makes it an environmentally friendly option for continuous use.

Versatile Media Handling

Continuous and Multi-Part Forms

The LQ-350 supports a variety of media, including single- and multi-layer sheet paper, continuous paper, labels, roll paper, and envelopes. It handles up to 1 original plus 3 carbon copies (4-part forms), perfect for applications like delivery notes, inventory lists, or prescriptions requiring multiple copies.

Flexible Paper Feeding

The printer features rear push tractor and rear single-sheet feed paths, with paper output at the rear. Optional accessories include a pull tractor or cut-sheet feeder. It accommodates continuous paper widths of 3.9–10.1 inches, cut sheets of 3.9–8.5 inches, and envelopes (No. 6, No. 10), ensuring versatility for various form sizes.

Robust Connectivity Options

Multiple Interfaces

The LQ-350 includes Parallel (IEEE-1284), Serial (RS-232), and USB 2.0 interfaces as standard, ensuring compatibility with modern and legacy systems. It supports Windows 2000, XP, Vista, 7, and 8, with included software like Epson Status Monitor 3 for real-time printer status and ribbon life monitoring.

Linux Compatibility

For Linux users, the LQ-350 is supported by CUPS with the Epson 24-Pin Series driver, enabling automatic detection and setup for printing plain text or PDFs on continuous paper. This makes it suitable for specialized applications like point-of-sale or industrial systems.

Compact and Durable Design

Space-Saving Footprint

Measuring 13.7 x 10.8 x 6.1 inches (348 x 275 x 154 mm) and weighing 9.04 lbs (4.1 kg), the LQ-350’s compact design and cable management system ensure it fits neatly on desks, ideal for small offices or retail counters.

High Reliability

With a mean time between failure (MTBF) of 10,000 operating hours and a printhead life of 400 million strokes per wire, the LQ-350 is built for demanding environments. Its durable construction minimizes downtime, ensuring long-term reliability.

User-Friendly Operation

Intuitive Setup and Control

The LQ-350 includes a driver and utilities CD, setup guide, and user manual (CD) for easy installation. The control panel allows adjustments for font, pitch, and paper type, while Epson Status Monitor 3 provides diagnostics and maintenance alerts, simplifying operation.

Built-In Fonts and Barcodes

The printer supports 8 built-in fonts (e.g., Epson Draft, Roman, Sans Serif, OCR-B) with pitch options of 10, 12, 15, 17.1, and 20 cpi, plus scalable fonts for enhanced formatting. It includes 8 barcode fonts, such as EAN-13, UPC-A, Code 39, and Code 128, supporting retail and logistics applications.

Cost-Effective Maintenance

Easy Ribbon Replacement

Replacing the C13S015633 ribbon is simple: open the cover, remove the old cartridge, and install the new one. Genuine Epson ribbons ensure optimal performance and printhead longevity, though compatible third-party options are available.

Optional Accessories

Optional accessories include a high-capacity cut-sheet feeder, pull tractor unit, and roll paper holder to expand functionality. Replacement parts like the printhead and power cord are readily available for long-term maintenance.

Technical Specifications

Printing Specifications

• Print Method: 24-pin, serial impact dot matrix, narrow carriage

• Print Direction: Text: Bi-directional; Graphics: Uni-directional (bi-directional via software)

• Print Speeds: High-Speed Draft: 347 cps (10 cpi), 357 cps (12 cpi); Draft: 260 cps (10 cpi), 312 cps (12 cpi); Letter Quality (LQ): 86 cps (10 cpi), 103 cps (12 cpi)

• Resolution: 360 x 180 dpi

• Number of Columns: 80 columns

• Character Sets: 13 standard, 43 international, 8 code pages

• Fonts: Epson Draft, Roman, Sans Serif, Courier, Prestige, Script, OCR-B, Orator; Scalable: Roman, Sans Serif (10–32 pt); Pitch: 10, 12, 15, 17.1, 20 cpi

• Barcode Fonts: EAN-13, EAN-8, Interleaved 2 of 5, UPC-A, UPC-E, Code 39, Code 128, POSTNET

• Printhead Life: 400 million strokes per wire

• Ribbon: Epson C13S015633, Yield: 2.5 million characters (LQ), 3 million characters (Draft)

• Memory: 128 KB

Paper Handling

• Paper Types: Sheet paper (single/multi-layer), continuous paper (single/multi-layer), labels, roll paper, envelopes

• Copies: 1 original + 3 copies (4-part forms)

• Paper Width: Continuous: 3.9–10.1 inches; Cut Sheet: 3.9–8.5 inches; Envelopes: No. 6, No. 10

• Paper Thickness: 0.0025–0.014 inches (total thickness for multi-part forms)

• Paper Feed: Rear push tractor, rear single-sheet; Optional: Pull tractor, cut-sheet feeder

• Paper Path: Single sheet (rear), continuous (rear), output (rear)

Connectivity and Compatibility

• Interfaces: Bi-directional Parallel (IEEE-1284), Serial (RS-232), USB 2.0

• Operating Systems: Windows 2000, XP, Vista, 7, 8; Linux (via CUPS Epson 24-Pin Series driver)

• Software: Epson Status Monitor 3, Printer Setting utility, driver and utilities (CD)

• Buffer: 128 KB

Power and Noise Levels

• Rated Voltage: AC 200–240 V (varies by region)

• Rated Frequency: 50–60 Hz

• Power Consumption: Operating: 22–23W; Sleep: 1.3W; Power Off: 0W

• Noise Level: Approximately 53 dB(A) (ISO 7779 pattern)

• Energy Certification: ENERGY STAR qualified

Physical Characteristics

• Dimensions (W x D x H): 13.7 x 10.8 x 6.1 inches (348 x 275 x 154 mm)

• Weight: 9.04 lbs (4.1 kg)

• Color: Black

• MTBF: 10,000 operating hours

• Warranty: 1 year (extendable with Epson CoverPlus in some regions)

Accessories and Consumables

• Ribbon Cartridge: Epson C13S015633

• Optional Accessories: Pull tractor unit, high-capacity cut-sheet feeder, roll paper holder

• Replacement Parts: Printhead, power cord, USB cable

• In the Box: Main unit, ribbon cartridge, driver and utilities (CD), setup guide, software (CD), user manual (CD), warranty document

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