9 pin dot matrix printers are known for their durability, ability to handle multi-part forms, and cost-effective operation in business environments. This article reviews some of the best 9 pin dot matrix printers available, highlighting key features and specifications to help you find the right printing solution for your needs.
| Product | Brand | Key Features |
|---|---|---|
| Epson LX-350 Dot Matrix Printer | Epson | Up to 347 cps, Parallel/Serial/USB interfaces, compact design |
| OKI MICROLINE 320 Turbo Mono | OKI | 435 cpm, 240 x 216 dpi, USB and Parallel ports, 20,000 pages max duty cycle |
| Microline 321 B/W Dot Matrix Turbo Printer | Oki Data | 240 x 216 dpi, ENERGY STAR qualified, wide carriage |
| Oki Microline 320 Turbo/N Dot Matrix Printer | Oki Data | Reliable dot matrix printer suitable for heavy use |
| Epson LQ-590II 24-Pin Dot Matrix Printer | Epson | 24-pin impact printing, up to 584 cps, long lifecycle |
Epson LX-350 Dot Matrix Printer – 9 Pin, Fast Printing

The Epson LX-350 utilizes EPSON’s well-regarded 9-pin technology, providing durability and speed with print rates up to 347 characters per second (cps). It is ideal for businesses that require continuous paper or multi-part stationery printing, such as invoices or receipts. Connectivity options include parallel, serial, and USB interfaces for versatile installation. Its compact design allows it to fit neatly on crowded desks without sacrificing performance, making it an efficient choice for front and back office applications.
OKI MICROLINE 320 Turbo 9 Pin Dot Matrix Printer

The OKI MICROLINE 320 Turbo is built for speed and reliability, printing at up to 435 characters per minute (cpm). It supports both USB and parallel connections, ensuring compatibility with various systems. Featuring a print resolution of 240 x 216 dpi and a memory of 64 KB, it handles detailed printing and multi-part forms efficiently. Suitable for high-volume use, it has a maximum duty cycle of 20,000 pages, making it a robust solution for busy office settings.
Microline 321 Turbo 9 Pin Dot Matrix Printer

The Microline 321 combines energy efficiency and quality with its ENERGY STAR qualification. This 9-pin printer offers a print resolution of 240 x 216 dpi and has a wide carriage option suitable for various paper sizes. It excels in catalog publishing and form printing, delivering consistent results while helping reduce energy consumption. Its design supports multiple sectors requiring dependable dot matrix printing with environmental considerations.
Oki Microline 320 Turbo/N Dot Matrix Printer

The Oki Microline 320 Turbo/N is a reliable 9-pin printer designed for intensive printing tasks. This model offers solid performance for businesses requiring steady output of multi-part and continuous forms. It features traditional dot matrix printing technology that balances speed with the ability to produce legible, crisp documents. Its robust construction supports frequent use over extended periods without major maintenance needs.
Epson LQ-590II 24-Pin Dot Matrix Printer – High Speed

While primarily a 24-pin model, the Epson LQ-590II is noted for its high durability and fast printing speed of up to 584 cps. It is suitable for users who want a higher resolution and enhanced detail alongside reliability. Its low cost of ownership supports daily critical print requirements with less downtime. This model is ideal for businesses with demanding print volumes needing sharp, consistent output.
Buying Guide For 9 Pin Dot Matrix Printers
Purchasing a 9 pin dot matrix printer involves considering multiple factors to ensure the printer meets your business needs efficiently and economically. Here are some key aspects to evaluate:
Print Speed and Duty Cycle
Evaluate the printer’s characters per second (cps) or characters per minute (cpm) to match your workload. Higher print speed reduces wait time for bulk print jobs. Additionally, consider the maximum duty cycle, which indicates how many pages the printer can handle monthly without performance degradation.
Connectivity Options
Modern printers may offer parallel, serial, and USB interfaces. Choose a model compatible with your existing hardware infrastructure for easy integration. USB is commonly preferred for current systems, but parallel and serial may still be necessary for legacy equipment.
Print Quality and Resolution
Resolution measured in dots per inch (dpi) affects print sharpness, especially for text and forms. Most 9 pin printers offer resolutions around 240 x 216 dpi, adequate for typical business documents; higher dpi may benefit specialized uses.
Durability and Maintenance
Dot matrix printers are known for longevity but vary in build quality. Look for rugged designs and ease of maintenance, such as quick ribbon replacement or head cleaning, to minimize downtime in busy environments.
Compatibility With Paper Types
Consider if your printer supports continuous, multipart stationery, or specific media sizes. Versatility in handling these allows more flexibility for diverse business printing tasks.
Energy Efficiency
Energy Star qualification or similar certifications highlight models that reduce power consumption, decreasing operational costs and environmental impact.
Pin Count and Print Impact
While 9 pin printers are adequate for many standard applications, machines with 24 pins produce higher quality output. Choose based on your quality versus cost priorities.
By balancing these considerations, you can select a 9 pin dot matrix printer that delivers reliability, quality, and compatibility within your office printing needs.