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Oki MICROLINE 421 Dot Matrix Printer

Today: $602.42
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ITEM# 10832814

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Technical Specifications

  • Description
  • General Information
  • Technical Information
  • Memory
  • Interfaces/Ports
  • Media Types & Handling
  • Fonts & Emulation
  • Reliability
  • Power Description
  • Physical Characteristics
  • Miscellaneous

Oki MICROLINE 421 Dot Matrix Printer


It's designed for commanding performance in demanding environments. The OKI MICROLINE wide-carriage ML421 is a quantum leap forward in Impact printer performance. Engineered for dedicated forms printing in the most demanding point-of-sale, automation and utility environments, ML421 printer is right at home in applications such as retail sales counters, medical facilities, automotive rental and repair shops, airline counters, financial departments and manufacturing sites. It's print speed and versatile paper handling makes it ideal for the office, too.

General Information
Manufacturer OKI Data
Manufacturer Part Number 92009701
Manufacturer Website Address
Brand Name Oki
Product Line MICROLINE
Product Series 400
Product Model 421
Product Name MICROLINE 421 Dot Matrix Printer
Product Type Dot Matrix Printer
Technical Information
Print Color Capability Monochrome
Maximum Mono Print Speed (cps) 570
Maximum Print Resolution 240 x 216 dpi
Number of Pins 9-pin
Number of Columns 136
Standard Memory 128 KB
Parallel Port Yes
Media Types & Handling
Media Type Cut Sheet
Media Size Custom Size, Letter - 8.50" x 11"
Media Handling Push Tractor Rear
Maximum Print Size Letter - 8.50" x 11"
Fonts & Emulation
Language Emulation Oki Microline
MTBF 20000 Hour
Duty Cycle 20000 pages per month
Power Description
Power Source AC Supply
Input Voltage 120 V AC
Operating Power Consumption 58 W
Physical Characteristics
Form Factor Desktop
Color Black
Height 6"
Width 21.7"
Depth 13.6"
Weight (Approximate) 21.20 lb
Additional Information

Paper Handling:

  • Number Of Copies: 6
  • Automatic Paper Forms Loading
  • Short Tear Off
  • Zero Tear Off
  • Rear Feed
Certifications & Standards
  • Energy Star compliant
Platform Supported PC
Green Compliant Yes
Green Compliance Certificate/Authority ENERGY STAR

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Shipping & Returns

Standard Return Policy for Electronics:

The items must arrive at our warehouse within 30 days of purchase. You must return items in their original condition to qualify for a full refund. We will issue a partial refund of up to 70 percent if returned items have been opened, used, or returned late. More Details


This item cannot be shipped to Alaska or Hawaii. More details

Shipping Information:

Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
Standard shipping details
Expedited shipping details

For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.

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