Whether you need regular output of continuous multi-part forms, fine business correspondence - or combinations of both the 24-pin OKI ML491 printer is the single solution. It handles 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 warehouse sites. Yet it also produce letter-quality type and high-resolution graphics for the office and executive suite. The ML 491 sports features that giving it a strong edge over its 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. The ML491 runs the gamut of paper types and envelopes at lightning speed, reaching 475 cps in Utility/Draft mode and 105 cps in Letter Quality mode. 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.
Features
Print Head: 24 Pin (200 million character printhead life)
Carriage Type: Wide (up to 16 ")
Resolution: 360 dpi x 360 dpi maximum resolution
Print Speed: Up to 475 cps
Memory: 128 KB receive buffer/memory
Paper Loading: Rear Push and Friction Feed
Reliability: Rated at 20,000 hours MTBF
Connectivity: USB and Parallel
Environments: PC Compatible
Warranty: 3 Year Limited covering parts and labor
Options
Oki MICROLINE 491 Dot Matrix Printer: Supplies and Accessories Options
42377801 Self-inking Ribbon Cartridge (4 million characters)
Other Supplies
70046501 OkiLAN® 6120i 10/100 Base-T Ethernet internal print server 70012801 RS-232C Serial Interface (19.2K baud max.) 70030501 Top-Mount Pull Tractor Kit with acoustic cover 70030701 Bottom Push Tractor Kit: 70030101 Cut Sheet Feeder Roll Paper Stand (ML490 only) 70023301
Dimensions (H X W X D)
Unit
6.0" x 13.6" x 21.7" (15.2 cm x 34.5 cm x 55.1 cm)
Weight
Unit
21.2 lb. (9.6 kg)
As Shipped
24 lb
System Requirements
PC
Windows XP, 2000, 98/95, 3.x and NT 4.0, MS-DOS
Warranty
Three Year Limited Warranty Covers Parts and Labor, 2-Year printhead
Includes in the Box
Oki Microline 490 Dot Matrix Printer Users Manual CD ROM: Drivers and Utilities ** Cable Not Included
Oki MICROLINE 491 Dot Matrix Printer Features
Unequaled Performance Technology 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
Advanced Paper Handling The ML491 printer handles a number of paper types and envelopes at lightning speed, reaching 475 cps in Utility/Draft mode and 105 cps in Letter-Quality mode. 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.
Built to Last, Inside and Out The performance-optimized power supply of the Oki Microline 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. The ergonomically-designed, impact-resistant chassis protects the ML491 from damage, even in the toughest working environments.
User-Friendly Performance 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 Reliability Oki provides the edge in performance no competing printer can claim—and backs it with 3 years of warranty coverage and a network of authorized Oki Dealer Service Centers and Service Depots.
Oki MICROLINE 491 Dot Matrix Printer Included Items
Okidata Microline 491 Dot Matrix Printer
Users Manual
CD ROM: Drivers and Utilities ** Cable Not Included
Oki MICROLINE 491 Dot Matrix Printer Warranty Information
Warranty Length: Manufacturer Three Year Limited Warranty
Details: Three Years covering parts and labor, Two Years covering print head. This warranty does not cover consumables.
1.800.814.5410 
858.764.8900 Mon-Fri 6AM-4PM PT
