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OKI MICROLINE 790 Plus 24 Pin Dot Matrix Printer



The high-speed, high-performance 80 column MICROLINE 790 Plus 24-pin dot matrix printer flies through up to 5-part forms and reports at print speeds of up to 473 characters per second (cps), delivering fast results and speedy transactions.

Super-fast output

Delivers quick results at print speeds of up to 473cps

High-quality results

Professional 24-pin quality document presentation

Versatile media handling

Easily manages a wide range of paper and media requirements

Cost-effective, easy-to-use

Eco-features, simple operator panel

The ultra-reliable 80-column MICROLINE 790 Plus 24-pin dot matrix printer creates multi-part forms and other customer-facing documents at super-fast print speeds. Versatile paper handling and impressively low energy consumption maximise performance and minimise running costs. Competently managing heavy media, the MICROLINE 790 Plus maximises productivity and delivers a wide range of professional business and commercial documents.

Super-fast output - Delivers quick results at print speeds of up to 473cps

Consistently performing well even in the most challenging environments, the super-fast MICROLINE 790 Plus dot matrix printer features high 473 characters per second (cps) print speeds for fast, efficient throughput. Multiple emulations make it a seamless, straightforward replacement for slow or failed printers.

  • Impressive 473cps print speeds
  • Epson LQ, IBM PPR and IBM AGM compatibility
  • Mean Time Between Failure (MTBF) of 20,000 hours

High-quality results - Professional 24-pin quality document presentation

Ideal for printing customer-facing documents including receipts, invoices, dispatch notes and spreadsheets on single or multipart paper, the efficient, easy-to-use MICROLINE 790 Plus dot matrix printer helps maintain productivity while delivering professional, high-quality documents.

  • 24-pin print head produces sharp, detailed text
  • Resident scalable fonts improve presentation and speed
  • Comprehensive range of built-in fixed pitch fonts, scalable fonts and barcodes

Versatile media handling - Easily manages a wide range of paper and media requirements

Simultaneously printing high-quality documents on single or multi-part paper with up to 5 copies, the MICROLINE 790 Plus printer feeds both cut sheet paper and continuous forms with ease. Front, top, bottom and rear paper input paths and an on-board tractor feed unit can be front or rear-mounted, providing versatile paper handling. Optional push and pull tractor feed units allow the loading of two different media types simultaneously or the feeding of heavier papers and labels.

  • Prints single or multi-part papers up to 5 copies
  • Four paper paths handle cut-sheet paper and continuous forms
  • Roll Paper Stand option for economical printing of passenger lists, call logs and data logs

Cost-effective, easy-to-use - Eco-features, simple operator panel

Equipped with long-life ribbons and power-saving technology, the efficient MICROLINE 790 Plus dot matrix printer minimises energy use and running costs, while an easy-to-use operator panel saves time and increases productivity.

  • 4 million-character long-life ribbons keep running costs low
  • Easy-to-use operator panel


Printing Method

Serial Impact Dot Matrix Method

Print Head

24 Pin

Dot Wire Diameter

0.2 mm

Print Direction

Bidirectional/Unidirectional printing, Short line-seeking printing

Graphic Resolution

Max. 360(H) x 360(V) dpi

Print Speed

High Speed Draft : 420 cps, Utility : 315 cps, Letter Quality : 105 cps

Line Feed Pitch

4.23mm (1/6 "), 3.18mm (1/8 "), n x 0.42mm(n/60 ") (n=0-127), n x 0.35mm(n/72 ") (n=1-85), n x 0.14mm(n/180 ") (n=0-255), n x 0.12mm(n/216 ") (n=0-255), n x 0.07mm(n/360 ") (n=0-255)

Feed Speed

4.5 inches per second

Feed Rate

4.23mm(1/6) line feed: Approx. 46 milliseconds

Paper Route

Tractor feeder (Rear), Tractor feeder (Bottom), Manual (Top), Roll paper stand, Cut sheet feeder (Rear)

Character Pitch

High Speed Draft : 10.0 cpi, 12.0 cpi

Utility : 10.0 cpi, 12.0 cpi, 15.0 cpi, 17.1 cpi, 20.0 cpi

Letter Quality : 10.0 cpi, 12.0 cpi, 15.0 cpi, 17.1 cpi, 20.0 cpi, Propotional

Printing Width

80 characters/line at ANK 10 cpi


IEEE1284-1994 Bi-directional Parallel, USB 2.0 (Full Speed), (Optional) 100BASE-TX/10BASE-T, (Optional) RS-232C (25pin)


ESC/P2 emulation, IBM ProPrinter emulation, IBM AGM emulation

Supported OS

Windows 7, Windows 7 x64, Windows Vista, Windows Vista x64, Windows Server 2008 R2, Windows Server 2008, Windows Server 2008 x64, Windows Server 2003, Windows Server 2003 x64

Receive Buffer

Max. 128KB

Resident Font

Utility, LQ Gothic, LQ Roman, LQ Courier, LQ Swiss, LQ Prestige, LQ Orator, LQ Swiss Bold, Scalable Roman, Scalable Courier, Scalable Swiss, High Speed Draft, OCR-A, OCR-B

Font Style

Double Width, Double Height, Enhanced, Emphasized, Bold, Italics, Over score, Outline, Shadow, Underline

1-D Barcode

UPC-A, UPC-E, EAN8, EAN13, Code39, Interleaved 2 of 5 (ITF), Code128, POSTNET, Codabar (NW-7), Industrial 2 of 5, Matrix 2 of 5

Paper Type

Continuous paper, Continuous copying paper, Cut sheet, Card, Envelope, Label

Paper Weight Adjustment


Paper Size

Continuous paper: Width 76.2-254.0mm x Length 76.2-355.6mm

Single part paper: Width 99.1-216.0mm x Length 99.1-356.0mm

Multi part paper: Width 76.2-254.0mm x Length 76.2-355.6mm

Paper Weight

Continuous paper : 45 - 90 gsm

Single part paper : 45 - 90 gsm

Multi part paper : 35 - 40 gsm

Copy Capability

Normal print mode: original + 4sheets(Total Thickness < 0.36mm)


398 x 345 x 153 mm

Operating Environment

Operating: 5 - 35 C, 20 - 80 %RH

Storage: -10 - 50 C, 5 - 95 %RH

No condensation

Power Source

Single phase 220 - 240 VAC 10%, 50/60 Hz 2%

Power Consumption

Operating: Max. -W (ISO10561 (Utility, Range1) Printing Approx. 60W)

Power Save: < 1.7W

Noise Level

Operating :Approx. 56 dBA

Quiet Mode: < 52 dBA

MTBF(Mean Time Before Failure)

20,000 hours

Ribbon Life

Black : 4 million characters

Print Head Life

Approx. 300 million strokes/ pin

In the Box

Ribbon cartridge, Power cable, CD-ROM, Others

No additional files, specification sheets, guides or documentation found for product.

Warranty: 12 Month Return To Base

Full manufacturers warranty details are available at the manufacturers (OKI) web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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