OKI Microline 420 image

OKI Microline 420

Quick information
Brand OKI 1996
Model D22900A
Released Year 1996
Type Printers
Series Microline
Status Discontinued
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Overview

The OKI Microline 420 is a 9-pin dot matrix printer designed primarily for business and office environments. It features a print speed of up to 435 characters per second, making it suitable for high-volume printing tasks. The printer supports multiple paper types, including continuous feed, cut sheets, envelopes, and labels, enhancing its versatility.

Connectivity options include parallel and serial interfaces, facilitating integration with various legacy systems and terminals. It uses a tractor feed mechanism to handle continuous paper efficiently, ensuring stable and reliable paper movement during printing. The printer resolution is 360 x 360 dpi, providing clear and readable text output.

The Microline 420 supports ANSI, Epson ESC/P2, and IBM ProPrinter emulations, allowing compatibility with a wide range of printing applications. Its robust construction ensures durability for heavy-duty printing needs in demanding environments.

Specifications

Print Technology 9-pin dot matrix
Print Speed Up to 435 cps (characters per second)
Print Resolution 360 x 360 dpi
Interfaces Parallel (IEEE 1284), Serial (RS-232C)
Paper Handling Continuous feed, cut sheets, envelopes, labels
Emulation ANSI, Epson ESC/P2, IBM ProPrinter
Noise Level Approx. 59 dBA during printing
Dimensions 410 x 280 x 180 mm
Weight Approx. 7.6 kg
Power Supply AC 100-120V or 200-240V, 50/60 Hz
Operating Systems Supported DOS, Windows (with compatible drivers), various legacy systems
Connectivity Parallel (IEEE 1284), USB 1.0/1.1, Ethernet (RJ-45), USB 2.0
Fonts Draft, Courier, and others
Duty Cycle Heavy-duty industrial use
MPN D22900A
Model Microline 420
Technology Dot Matrix
Output Type Black & White
Features Networkable
Input Type Monochrome
Type Standard Printer
Maximum Resolution 240x216 dpi
Black Print Speed 570cps
Product Line OKI Microline

Key Advantages

The OKI Microline 420 offers excellent durability and reliability, suitable for continuous printing in industrial or office settings. Its compatibility with various emulation languages supports seamless integration with existing systems. High-speed printing enhances productivity by reducing print job time. The ability to handle diverse media types makes it a versatile choice for multiple applications. The tractor feed mechanism ensures smooth and consistent paper handling, minimizing jams. Its straightforward maintenance and availability of replacement parts contribute to low operating costs.

Limitations

The Microline 420's dot matrix technology limits print quality compared to modern printers, with relatively low resolution and monochrome output. Noise during operation can be significant, making it less ideal for quiet office environments. It lacks modern connectivity options like USB or network interfaces, restricting compatibility with contemporary devices. The printer's size and weight are larger compared to newer compact models, requiring more space. Color printing is not supported, limiting its use for color documents. Its slower speed compared to laser or inkjet printers can be a bottleneck for certain workloads.

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