Epson LQ-590II Dot Matrix Printer
4.3Editor score
24-pin impact technology
USB and parallel ports
High speed monochrome output
In this guide
Dot matrix printers remain essential for businesses requiring multipart forms and high durability. These impact printers deliver reliable performance in demanding environments where other technologies fail.
We analyzed ten top models based on print speed, connectivity options, and duty cycle ratings. Our comparison highlights the strengths of each unit to simplify your selection process effectively.
Each pick showcases key features and real-world performance metrics for informed decisions. Note that availability and pricing may change over time so verify details before purchasing your unit.
Top 3 Picks for Best Dot Matrix Computer Printers
Oki Microline 320 Turbo Dot Matrix Printer
4.7Editor score
SuperSpeed Draft mode
Zero-tear auto park
Multiple interface options
OKI MICROLINE 320 Turbo Mono Dot Matrix Printer
4.5Editor score
Robust duty cycle
High resolution output
Enterprise grade build
Top 10 Best Dot Matrix Computer Printers in 2026 Compared
The following table provides a side by side overview of all ten selected models. It highlights core specifications to help you quickly identify the most suitable option for your specific workflow requirements.
ProductsSpecificationsEditor scorePrice
Best Budget
Epson LQ-590II
24-pin mechanism
584 cps speed
USB connectivity
Parallel connectivity
4.3Editor score
Editor's Choice
Epson LQ-590II NT
24-pin mechanism
584 cps speed
Serial port support
Parallel port support
4.2Editor score
Best Premium
Oki Microline 320 Turbo
Dot matrix type
Reliable performance
Standard printer
High duty cycle
4.7Editor score
OKI MICROLINE 320 Turbo
9-pin mechanism
435 cps speed
USB connectivity
Parallel connectivity
4.5Editor score
OKI MICROLINE 420
9-pin mechanism
570 cps speed
Energy Star rated
High duty cycle
4.5Editor score
Oki MICROLINE 320 Turbo
9-pin mechanism
435 cps speed
Serial connectivity
Parallel connectivity
5.0Editor score
Epson LQ-2090II
24-pin mechanism
550 cps speed
Impact technology
Parallel port
3.7Editor score
OKI MICROLINE 320 Turbo
9-pin mechanism
435 cps speed
Zero-tear feed
Multiple emulations
4.2Editor score
Oki Microline 620
High volume
Sharp printing
Reliable performance
Easy loading
4.8Editor score
Epson LQ-590
24-pin mechanism
USB support
IBM PPDS
ESC/P support
3.7Editor score
1. Epson LQ-590II – Best Overall Value
Epson LQ-590II
24-pin head
584 cps rate
USB interface
Parallel port
The Epson LQ-590II stands out as a top contender in the dot matrix category. With a 4.3 rating, it delivers consistent performance for high-volume printing tasks.
Pros
- Fast print speed
- Durable construction
- Multiple interfaces
- Low noise level
- Energy efficient
Cons
- Limited color options
- Larger footprint
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Its 24-pin design ensures sharp text and graphics while maintaining a high print speed of 584 characters per second. This makes it ideal for offices processing invoices and reports.
Trade-offs include the lack of native color printing and a somewhat bulky design. These are acceptable given the reliability and speed required for industrial applications.
Businesses needing reliable multipart form printing should consider this model. It offers a balanced mix of performance and durability for daily operations.
High Speed Performance
The 584 cps speed ensures documents are ready quickly for fast turnaround times.
Versatile Connectivity
USB and parallel ports allow easy integration with various legacy and modern systems.
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2. Epson LQ-590II NT – Best for Energy Efficiency
Epson LQ-590II NT
Monochrome output
584 cps speed
24-pin head
Serial and parallel
This variant of the LQ-590II emphasizes energy efficiency without sacrificing speed. It holds a strong 4.2 rating from users who value sustainability.
Pros
- Energy Star certified
- High print speed
- Reliable performance
- Multiple ports
- Quiet operation
Cons
- Higher price point
- Limited color support
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The NT model maintains the 584 cps speed and 24-pin quality while adding serial port support for broader compatibility. This is vital for older industrial machinery.
While the price is higher than the standard model, the energy savings and extra connectivity justify the cost. It suits facilities with strict power budgets.
Companies looking for green certification alongside robust printing should choose this unit. It combines environmental responsibility with industrial-grade output.
Eco-Friendly Design
Energy Star certification reduces power consumption during idle and active states.
Legacy Compatibility
Serial port support ensures seamless connection with older hardware systems.
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3. Oki Microline 320 Turbo – Best for Speed
Oki Microline 320 Turbo
Dot matrix type
High duty cycle
Standard printer
Robust build
The Oki Microline 320 Turbo earns a 4.7 rating for its exceptional speed and reliability. It uses a 9-pin system optimized for rapid draft printing.
Pros
- SuperSpeed Draft mode
- Auto park feature
- High reliability
- Fast throughput
- Zero tear paper
Cons
- Premium pricing
- Heavy unit
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Features like zero-tear and auto-park technology minimize waste and ensure consistent paper handling. This is crucial for high-volume environments where downtime is costly.
The premium price reflects its industrial build quality and advanced features. Users accept the cost for the longevity and efficiency gains in busy offices.
Operations requiring fast, continuous paper handling will benefit most from this model. It sets a high bar for dot matrix performance.
Advanced Paper Handling
Auto park and zero-tear tech reduce jams and paper waste significantly.
Draft Mode Speed
SuperSpeed Draft mode delivers quick output for internal documents and drafts.
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4. OKI MICROLINE 320 Turbo – Best Duty Cycle
OKI MICROLINE 320 Turbo
9-pin mechanism
435 cps speed
20k duty cycle
USB parallel
This model offers a robust duty cycle of 20,000 pages per month, making it ideal for heavy use. It holds a 4.5 rating for consistent operation.
Pros
- High duty cycle
- Durable components
- Standard interfaces
- Clear output
- Reliable motor
Cons
- Slower than 24-pin
- Basic features
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While it uses a 9-pin head, the 240 x 216 dpi resolution ensures legible text for standard business documents. It balances speed and quality effectively.
The trade-off is a slightly slower speed compared to 24-pin alternatives. However, the durability and lower maintenance needs make up for this in long runs.
Businesses with moderate volume needs should consider this reliable option. It provides steady performance without frequent service interruptions.
Monthly Capacity
A 20,000 page duty cycle supports continuous operation in busy workspaces.
Resolution Quality
240 x 216 dpi ensures text remains sharp and readable for reports.
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5. OKI MICROLINE 420 – Best High Volume
OKI MICROLINE 420
9-pin mechanism
570 cps speed
24k duty cycle
Energy Star
The MICROLINE 420 handles high volume with a duty cycle of 24,000 pages and a speed of 570 cps. It earns a 4.5 rating for robustness.
Pros
- Very high duty cycle
- High print speed
- Energy efficient
- Parallel USB
- Quiet motor
Cons
- Limited graphics
- Large size
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Energy Star certification means it consumes less power during operation, which is beneficial for 24/7 environments. It supports both USB and parallel connections for flexibility.
The large footprint may be a challenge for smaller desks. However, the throughput capacity justifies the space in dedicated printing areas.
For departments needing non-stop printing, this model is a strong choice. It delivers reliability and efficiency for sustained workloads.
Sustained Output
The 24,000 page capacity supports uninterrupted printing without overheating.
Eco Performance
Energy Star rating helps lower electricity costs over the printer's lifespan.
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6. Oki MICROLINE 320 Turbo – Best Versatility
Oki MICROLINE 320 Turbo
9-pin mechanism
435 cps speed
Serial parallel USB
120V power
With a perfect 5.0 rating, this model excels in reliability and user satisfaction. It supports serial, parallel, and USB interfaces for maximum connectivity options.
Pros
- Perfect rating
- Serial interface
- Reliable feed
- High contrast
- Durable frame
Cons
- 9-pin limitations
- High cost
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The 435 cps speed ensures quick output for text documents. Users praise its consistent paper feeding and low maintenance requirements over time.
It may lack the speed of 24-pin units for graphics. However, for standard text and invoices, it performs exceptionally well without errors.
Facilities prioritizing dependability should select this printer. It is a trusted choice for critical printing tasks.
Connectivity Options
Serial, parallel, and USB ports ensure it works with various legacy systems.
User Satisfaction
A perfect 5.0 rating highlights high user trust and minimal issues.
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7. Epson LQ-2090II – Best for Large Forms
Epson LQ-2090II
24-pin head
550 cps speed
Energy Star
Parallel port
This printer is designed for larger forms and high-resolution text needs. It holds a 3.7 rating, indicating solid performance with some user reservations.
Pros
- High resolution
- Large form support
- Energy efficient
- Reliable
- Clear text
Cons
- Lower rating
- Older design
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The 24-pin head provides crisp text and graphics. Energy Star certification helps manage power usage in offices with multiple units running simultaneously.
Users report some noise levels that might be distracting. However, the output quality and energy savings remain competitive for specific document types.
It is suitable for environments focusing on document clarity and form size. Check compatibility with your specific software before purchase.
Form Compatibility
Optimized for wide and continuous forms used in financial and industrial sectors.
Energy Savings
Low power consumption reduces operational costs over extended periods of use.
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8. OKI MICROLINE 320 Turbo – Best for Multipart Forms
OKI MICROLINE 320 Turbo
9-pin mechanism
435 cps speed
6 carbon copies
Auto park
This unit supports up to six carbonless copies, making it ideal for billing and shipping documents. It maintains a 4.2 rating for functional reliability.
Pros
- 6 carbon copies
- Draft mode speed
- Reliable feed
- Auto park
- Multiple emulations
Cons
- Noise levels
- Maintenance needs
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The zero-tear auto-park technology ensures paper is fed correctly every time. This reduces jams and wasted materials during high-volume printing sessions.
It is relatively noisy compared to modern inkjets. Yet, for businesses requiring immediate multi-copy documentation, the performance is essential and hard to match.
Businesses processing shipments or invoices daily will find this valuable. It handles the specific requirement of carbon copies efficiently.
Multipart Support
Handles up to six carbonless copies to ensure accurate record keeping.
Feed Accuracy
Zero-tear technology minimizes jams and ensures consistent paper alignment.
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9. Oki Microline 620 – Best Precision Print
Oki Microline 620
High volume
Sharp printing
Reliable
Easy loading
The Oki Microline 620 offers precise printing with a 4.8 rating. It emphasizes high-volume versatility and sharp text quality for clear business records.
Pros
- High rating
- Sharp output
- Easy loading
- Versatile
- Durable
Cons
- Complex setup
- Size
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Simplified media loading makes it easier to manage continuous feed paper. Users appreciate the consistent results for labels and specialized forms.
Initial setup may require time to align the tractor feed. However, once configured, the unit runs smoothly and maintains high standards.
It is well-suited for offices needing consistent, high-quality impact printing. The sharp text ensures legibility even for small fonts.
Print Sharpness
Delivers precise and sharp characters for professional-looking invoices and forms.
Media Handling
Simplified loading reduces downtime when switching paper types or refilling.
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10. Epson LQ-590 – Best Compatibility
Epson LQ-590
24-pin head
USB support
IBM PPDS
ESC/P
This printer supports IBM PPDS and ESC/P emulations for wide software compatibility. It holds a 3.7 rating from users looking for straightforward impact printing.
Pros
- USB connectivity
- Broad support
- Standard speed
- Impact quality
- Compact design
Cons
- Lower rating
- Basic features
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The 24-pin head ensures clear text for standard documents. USB support allows for easy connection to modern PCs without extra adapters.
It lacks some advanced features found in newer models. However, its reliability and compatibility make it a practical choice for basic needs.
Small offices needing simple multi-part printing should consider this unit. It works well with legacy software systems.
Software Support
Emulations like IBM PPDS ensure it works with a wide range of legacy apps.
Modern Connectivity
USB support makes it easy to connect without complex serial wiring setups.
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Buying Guide – How to Choose the Best Dot Matrix Computer Printers
Selecting the right dot matrix printer depends on your specific output volume and compatibility requirements. This guide outlines key factors to help you make an informed decision.
Print Head Configuration
Dot matrix printers typically use 9 or 24 pins to strike the ribbon. A 24-pin head provides higher resolution and better text quality than a 9-pin one.
Prioritize 24-pin models if document clarity is a top priority for your business documents.
Print Speed
Speed is measured in characters per second (cps). Models range from 435 to 584 cps depending on the draft or high-speed modes available.
Choose a higher cps rating if you process large volumes of daily documents to reduce wait times.
Connectivity Options
Modern units offer USB, while others include serial and parallel ports. Check your computer's available ports to ensure seamless integration.
Look for multiple port options to ensure flexibility with both new and legacy hardware setups.
Duty Cycle
The duty cycle indicates the maximum recommended pages per month. High-volume offices need ratings of 20,000 pages or more to avoid overheating.
Match the printer's duty cycle to your expected monthly volume to prevent premature wear and failure.
Energy Efficiency
Energy Star certified models consume less power during idle and active states. This feature can significantly lower utility costs in large offices.
Opt for Energy Star units to reduce environmental impact and operational expenses over time.
Paper Handling
Some models support continuous paper and multipart forms with zero-tear technology. Others have manual feed tractors that may require more attention.
Ensure the model supports the specific paper formats you need for invoices and shipping slips.
Noise Level
Impact printers are naturally noisier than inkjets. However, some models have sound dampening features to reduce distraction in open offices.
If noise is a concern, look for reviews mentioning quiet operation or sound enclosure features.
Emulation Support
Software compatibility depends on supported emulations like Epson ESC/P or IBM PPDS. Ensure the printer supports your existing application software.
Verify emulation support before purchasing to avoid driver issues and setup delays.
How to Use and Care for Your Dot Matrix Computer Printers
Ensure you are using continuous feed paper with carbon copies if needed. Align the paper guides on the tractor feed correctly to prevent jams during operation.
Clean the print head regularly using a lint-free cloth and alcohol to remove ink buildup. This maintains print quality and extends the life of the ribbon.
Keep the printer in a dust-free environment to protect the internal mechanisms. Cover the unit when not in use to prevent debris from entering the feed path.
Frequently Asked Questions
What are the advantages of dot matrix printers over laser printers?
Dot matrix printers are superior for printing multipart forms and carbon copies. They are also more durable and cost-effective for high-volume text printing in industrial settings.
Do dot matrix printers work with modern operating systems?
Most modern dot matrix printers include USB drivers compatible with Windows and macOS. However, legacy parallel or serial connections may require adapters for newer computers.
How often should I replace the ribbon in a dot matrix printer?
Ribbon replacement depends on usage volume but typically occurs every few months. Check the print quality; faded text is a clear sign that a new ribbon is needed.
Can dot matrix printers print in color?
Standard impact dot matrix printers are designed for monochrome output. While some specialized models offer color ribbons, they are less common and slower than black and white.
Why is the duty cycle important when buying a printer?
The duty cycle indicates the safe monthly page limit. Exceeding it can lead to overheating and mechanical failures. Match it to your office needs for longevity.
Are dot matrix printers noisy during operation?
Yes, impact printing creates more noise than thermal methods. However, modern units often include noise dampening technology to reduce the disturbance in office environments.
What paper sizes do these printers support?
Most models support continuous feed paper ranging from 9 inches to 14 inches in width. Always check the manual for specific paper width limitations before purchase.
Can I use a dot matrix printer for labels?
Yes, many models support label rolls or pre-formatted paper. Just ensure the printer has the correct feed mechanism to handle adhesive labels without jamming.
Final Thoughts on Choosing the Best Dot Matrix Computer Printers
Our top picks include the Epson LQ-590II for budget value and the Oki Microline 320 Turbo for speed. These models offer the best balance of features for most businesses.
Prioritize duty cycle and connectivity options based on your daily workload. Ensure the printer supports your existing software to avoid compatibility issues after setup.
Always verify current availability and pricing as they can fluctuate regularly. Check the product links provided to get the most up-to-date information before buying.