Microline 421 Parallel Narrow-Carriage 9-Pin Dot Matrix Printer by Oki

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$806.61 / EA
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  Estimated delivery time 2-5 business days
  • Easily handles POS, automation and utility applications.
  • Internal cooling fan maximizes productivity for long print jobs.
  • Additional feed rollers provide precise form handling and placement accuracy.
  • Three-piece top cover provides easy access and break resistance.
  • Zero-tear feature eliminates wasted stock.

Rugged, reliable dedicated forms printer handles the printing needs of POS, automation and utility applications such as wholesale or retail sales counters, financial departments and manufacturing or warehouse sites. An internal cooling fan provides continuous airflow for the printhead—maximizing throughput productivity for long, unattended print jobs. Additional feed rollers provide precise forms handling and printed-character placement accuracy. The three-piece top cover provides easy access and unsurpassed break resistance. The patented OKI® closed-loop feedback system assures character placement accuracy. A zero-tear feature accurately positions continuous forms for a clean tear at the perforation to eliminate wasted stock.


Carriage Narrow
Connector/Port/Interface Parallel, USB
Depth 13 3/5"
Emulations Epson® FX, IBM® ProPrinter, OKI® MICROLINE®
Global Product Type Printers-Dot Matrix
Height 6"
High Speed Draft Printing 510 cps
Input Buffer 128 kB
LCD Display No
Maximum Form Parts 6
Maximum Memory 128 kB
Maximum Print Speed (Black) 570 cps
Model Name/Number Microline® 421
Monthly Duty Cycle (Pages) 17,000
Near Letter-Quality Printing Speed 95 cps
Network Ready No
Number of Pins 9
Operating System Compatibility Linux®, Windows® 2000, XP, Vista™, 7
Paper Feeder Type Rear Push, Friction Feed
PC Free Printing No
Post-Consumer Recycled Content Percent 0%
Pre-Consumer Recycled Content Percent 0%
Print Resolution (Black) (Width x Height) 216 x 240 dpi
Printer Type Dot Matrix
Printhead Life (Characters) 400,000,000
Standard Memory 128 kB
Super Speed Draft Printing 570 cps
Utility Printing Speed 380 cps
Width 15 7/10"
Total Recycled Content Percent 0%
Compliance Standards ENERGY STAR Certified
Warranty Comments Manufacturer's standard three-year parts and labor, two-year printhead warranty.
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