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- USB and IEEE parallel connectivity make it easy to hook up to the rest of your network.
- Print speeds of up to 570 cps help ensure fast results.
- 240 x 216 dpi resolution.
- 24,000 sheet monthly volume.
- 128KB of built-in memory.
- Versatile design lets you print on single sheets, multiple part forms, index stock , continuous forms, envelopes, labels, cut sheets and more.
|-014--upsell Short||Pick up the pace. Get faster black and white print speeds with this model.|
|Certifications & Standards||Energy Star|
|Input Voltage||120 V AC|
|Language Emulation||Epson FX; IBM ProPrinter; Oki Microline|
|Max Resolution (B&W)||240 x 216 dpi|
|maximum black and white print resolution||240 x 216 dpi|
|Maximum Mono Print Speed (cps)||570|
|maximum monthly volume||24,000|
|Maximum Print Size||Letter - 8.50" x 11"|
|maximum sheet size||letter (8 1/2" x 11")|
|Media Feeders||1 x manual - 1 roll - Roll (10 in)|
|Media Handling||Push Tractor Rear; Friction Feed|
|media type||Single Sheet; Multiple Part Form; Index Stock; Continuous Form; Envelope; Label; Cut Sheet|
|number of columns||80|
|Number of Pins||9-pin|
|Operating Power Consumption||51 W|
|ports||1 parallel; 1 serial; 1 USB|
|power source||AC Supply|
|RAM Installed (Max)||128 KB|
|warranty length||3-year limited|
|Weight (Approximate)||16.40 lb|
From the Manufacturer|Powered by
OKI MICROLINE 420 Serial Black Serial Impact Dot Matrix Printer
Doing the job day after day.
The OKI® MICROLINE® 420 9-pin printer and its wide-carriage counterpart ML421 are a quantum leap forward in Impact printer performance. Engineered for dedicated forms printing in the most demanding point-of-sale, automa-tion and utility environments, ML420/421 printers are right at home in applications such as retail sales counters, medical facilities, automotive rental and repair shops, airline counters, financial departments and manufacturing sites. Their print speed and versatile paper handling make them ideal for the office, too.
Performance is built in.
The ML420/421 sport features that give them a strong edge over their predecessors as well as the competition:
- 3-piece top cover provides easy access and unsurpassed break resistance
- 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
Exceptional paper-handling versatility.
The ML420/421 have a zero-tear feature that accurately positions continuous forms for a clean tear at the perforation, which eliminates wasted stock. You also get perfect results with single sheets, index stock, labels and envelopes, too. All with-out jams or smears.
Value that goes the distance.
The OKI ML420/421 deliver the kind of productivity usually reserved for printers many times the price—starting with a super-fast print speed of 570 characters-per-second (in SuperSpeed Draft mode). Then there’s the rugged printhead—with its 200-million character life, powerful samarium cobalt magnets and stored-energy pins— delivering precise, sharp characters all the way through to the last page of a 6-part form. And the patented OKI closed-loop feedback system that assures character placement accuracy...
The OKI ML420/421: Just turn ‘em on and turn ‘em loose
Built to last, inside and out.
Field-proven reliability is just one reason OKI® MICROLINE® impact printers are the most widely-used in North America.1
The performance-optimized power supply of the ML420/421 has been enlarged to easily handle harsh printing conditions— and its energy management capabilities match power expenditures to print-job size, maximizing the life of the 9-pin printhead and other components. A long-lasting rack-and-pinion drive system ensures print quality longer than belt or cable systems. And the ergonomically-designed, impact-resistant chassis protects the ML420/421 from damage, even in the toughest working environments.
Performance that’s user-friendly. Controls are conveniently placed on the front panel for fast access. The automatic loading of continuous and cut stock makes every print job easier, and the design of the internal sheet separator enables easy loading of tractor-fed paper into the rear push tractor.
OKI has a reputation for quality and reliability no competing printer can claim—and backs it with 3 years of warranty coverage 2 and a network of authorized OKI Dealer Service Centers and Service Depots.
The reliable, affordable ML420/421 can work wonders in virtually any forms-handling application.
1. 2002 NPD Intellect and Evans Research Market Share Data.
2. 3-year standard warranty parts and labor/2-year printhead.
|Print Speed And Quality|
|Super Speed Draft (cps)||570|
|High Speed Draft (cps)||510|
|Utility Speed (cps)||380|
|Near Letter Quality Speed (cps)||95|
|Letter Quality Speed (cps)||N/A|
|Number Of Colors||1|
|Maximum Graphics Resolution (dpi)||240 x 216|
|Fonts and Bar Codes|
|Resident Scalable Fonts||Yes|
|Resident Bar Code Fonts||Yes (8 types)|
|No. Of Copies||6|
|Automatic Paper Forms Loading||Yes|
|Short Tear Off||Yes|
|Zero Tear Off||Yes|
|Pin Feed Platen||N/A|
|Top Pull Tractors||Optional|
|Paper Feed Rate (inch per second)||4.5|
|Cut Sheet Feeder Option||Optional|
|Roll Paper Stand Option||Optional|
|Number of Pins||9|
|Expanded Head Gap||Yes|
|Printhead Life (characters)||400 million|
|Memory Buffer Size||128K|
|Monthly Workload (pages)||17,000|
|Operating / Physical Specifications|
|Noise Level In Operating Mode (dBA)||56|
|Noise Level In Quiet Mode (dBA)||52|
|Ribbon Life (characters)||7.5 million|
|Power Voltage||120v or 220v|
|EPA Energy Star Compliance||Yes|
|Dimensions Of Narrow Carriage w/out Box|
(W x D x H) (inches)
|15.7 x 13.6 x 6.0|
|Dimensions Of Wide Carriage w/out Box|
(W x D x H) (inches)
|Weight Of Narrow Carriage w/out Box (lb.)||16.4|
|Weight Of Wide Carriage w/out Box (lb.)||N/A|
|Front Panel Direct Access Controls||Yes|
|Front Panel Limited Function Mode||Yes|
|Warranty||3-year standard warranty parts and labor; 2-year printhead|
|Toll Free Telephone Support (hours/days)||24 / 7|
|Emulations||Epson® FX, IBM® ProPrinter®, OKI MICROLINE|
|OS Compatibility||Windows® XP, 2000, 98/95, 3.x and NT® 4.0; MS-DOS®|
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