OKI MICROLINE 491 Impact Dot Matrix Monochrome Printer with 360 x 360 dpi Resolution, Parallel, USB - 62419001

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Product Overview

A forms printer with letter-quality output, designed to perform in demanding environments.

High-volume versatility in forms and correspondence.

Whether you need regular output of continuous multi-part forms, fine business correspondence—or combinations of both—24-pin OKI® ML490/491 printers are the single solution. They handle the printing needs of the most demanding environments—including point-of-sale, automation and utility applications such as wholesale or retail sales counters, financial departments, and manufacturing or ware-house sites. Yet they also produce letter-quality type and high-resolution graphics for the office and executive suite.

Unequaled performance technology.

The ML490/491 sport features that give them a strong edge over their predecessors as well as the competition:

  • 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
  • 3-piece top cover provides easy access and unsurpassed break resistance.

    Fast, with Finesse.

    ML490/491 printers run the gamut of paper types and envelopes at lightning speed—reaching 475 cps in Utility/Draft mode and 105 cps in Letter-quality. Their rugged printhead (200 million-character average life expectancy) is made up of powerful samarium magnets and stored-energy pins that deliver precise, sharp characters all the way through to the last page of a 5-part form.

    The patented OKI closed-loop feedback system assures character placement accuracy. And a zero-tear feature accurately positions continuous forms for a clean tear at the perforation to eliminate wasted stock.

    Sturdy and sophisticated.

    Field-proven reliability is just one reason OKI MICROLINE printers are the most widely-used impact printers in North America.1 The rugged, reliable OKI ML490/491 printers are sure to win you over, too!

    Built to Last, Inside and Out.

    The performance-optimized power supply of the OKI® MICROLINE® 490/491 has been enlarged to easily handle harsh printing conditions. Its energy management capabilities match power expenditures to print-job size, maximizing the life of the 24-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 ML490/491 from damage, even in the toughest working environments.

    All This Performance is 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 provides the edge in performance 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 high-quality, highly reliable and highly affordable ML490/491 Impact printers from OKI. Put them to work in your office or behind the counter—and watch them drive your productivity to new limits while they improve the look of your forms printing.

  • Specifications

    Manufacturer Okidata
    Mfg Part# 62419001
    SKU 10334565
    UPC 051851420110
    UPC 14 00051851420110
    Sales Rank 32624
    Tech Specs
    Technology, Speed and Print Characteristics
    Printhead: 24-Pin SIDM
    Graphics Resolution: 360 (H) x 360 (V) dpi maximum
    Feed Rate: 4.5 ips (11.4 cm/sec.)
    Print Speed and Character Matrix:
    Print Speed and Character Matrix:
    Mode Letter Quality Utility Hi-Speed Draft Utility
    (12 cpi) (12 cpi) (10 cpi) (15 cpi)
    Speed (in cps) 126 380 420 475
    Emulation, Interface and Memory
    Emulation: Epson® LQ, IBM® ProPrinter®, IBM AGM, IBM XL24
    Interface: Standard – IEEE Parallel and USB; OkiLAN®
    10/100 Base-T Internal Print Server (ML490/n, ML491/n);
    Optional – RS-232C Serial and Ethernet® via OkiLAN 10/100
    Base-T Internal or External Print Servers
    Memory: 128K
    Compatibility
    Operating Systems: Windows® Vista® 32/64, XP, 2000,
    98/95, 3.x and NT® 4.0; MS-DOS®
    Paper Handling
    Paper Input: Single-part, Multi-part, Continuous forms,
    Cut sheet, Index stock, Envelopes, Labels
    Number of Copies: 5
    Thickness: 0.017" (0.43 mm) maximum
    Paper Feeding: Rear Push and Friction Feed
    Options: Bottom Push Tractor, Top Pull Tractor,
    Cut Sheet Feeder, Roll Paper Stand
    Warranty and Reliability
    Limited Warranty: 3-Year parts and labor, 2-Year printhead
    MTBF: 20,000 hours (25% duty cycle/35% page density)
    Reliability:
    ML420 – 20,000 pg./mo. duty cycle
    ML421 – 12,000 pg./mo. duty cycle
    Printhead Life: 400 million characters
    Ribbon Life: 4 million characters
    Environmental
    Size (WxDxH):
    ML490 – 15.7" x 13.6" x 6.0" (39.8 cm x 34.5 cm x 15.2 cm);
    ML491 – 21.7" x 13.6" x 6.0" (55.1 cm x 34.5 cm x 15.2 cm)
    Net Weight:
    ML490 – 16.4 lb. (7.43 kg); ML491 – 21.2 lb. (9.6 kg)
    Acoustic Noise: 56 dBA
    Power Requirements:
    120V Model: 120 VAC +6%, -15%;
    230V Model: 230 VAC +15%, -14%

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