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OkiData MicroLine 691 Serial Card - QuikShip Toner
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4 Products for the OkiData MicroLine 691 Impact Printer
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OkiData MicroLine 691 Serial Card

Price:  $103.89
Product Description
RS-232 Serial Card for OkiData MicroLine 691 Laser Printer, manufactured by OkiData

OkiData MicroLine 691 Ribbon Cartridge - 13,000,000 Characters
  OVER 100

Price:  $13.89
OkiData MicroLine 691 Ribbon Cartridge (OEM) 13,000,000 Characters

Price:  $26.89
OkiData MicroLine 691 Push Tractor (OEM)

Price:  $56.89

OkiData MICROLINE 691 Dot Matrix Printer Review


As one of the 24 pin models in the Oki 600 line, the OkiData MICROLINE 691 Dot Matrix Printer is capable of printing at much higher resolutions than that of most impact devices in its price range, even though, being dot matrix, this still results in very low output quality when compared to any other printing device. That being said, the unit is an excellent choice for multi layer printing and form printing.


The primary purpose of a dot matrix printer in today’s business world is printing multi layered forms and documents, as well as withstanding harsh work environments such as warehouses and shipping bays. Even if problems do arise when the OkiData MICROLINE 691 Dot Matrix Printer is in use, its comprehensive three year warranty should cover any problems.

The speed of dot matrix printers is measured mostly in characters per second, but these relatively slow devices are also measured by the rate at which they can feed paper. The OkiData MICROLINE 691 Dot Matrix Printer, for example, is capable of literally cranking out up to 5.5 inches of page per second, while its print speed is selectable up to 480 characters per second.

As the OkiData MICROLINE 691 Dot Matrix Printer is designed for over the counter business use, it is of course compatible with almost all point of sale software packages, making it perfect for retail, manufacturing departments, and warehousing. Though the unit’s high speed draft mode clocks in at 480 cpm, higher resolution print modes are selectable and include a 360 character per minute utility speed and a 120 character per minute near letter quality speed. When resolution is set at its maximum, the device can print 360 x 360 dots per inch, making it comparable to a decent fax machine as far as print quality.

The 24 pin print head found on the OkiData MICROLINE 691 Dot Matrix Printer can last for as many as 400 million characters, meaning it will probably only require replacing once or twice, or never at all over the life of the printer. It is also rated as a whole for up to 25,000 hours of use at 25% duty cycle.


The OkiData MICROLINE 691 Dot Matrix Printer is quite costly, even more so than other impact printers with similar features. This device’s hardware is fairly thorough, as well as sturdy, but the unit can be outmatched in too many categories by less expensive impact printers to be considered if anything short of very heavy volume dot matrix printing is required, as this hearty piece of hardware is built to go the distance.

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