Oki ML5790 Ask Expert!

24-pin dot matrix perfect for front desk printing

  • Flies through up to 6-part forms and reports at print speeds of up to 576 characters per second (cps) for speedier transactions.
  • 24-pins deliver sharper, detailed text.
  • Scalable fonts for superior print quality.
  • Long life ribbon, 8 million characters.
  • 'Clean hands’ ribbon changing ensures no delay, mess or hassle.
  • Low energy consumption in Sleep Mode.

The ML5790eco is ideal where fast printing, reliability, versatile paper handling and superior quality text is essential. Whether you are printing invoices, purchase orders, spreadsheets, picking lists, call log slips, tickets, receipts or multi-part documents, the ML5790eco keeps your transactions smooth and your customers happy. The small footprint of the ML5790eco is ideal for businesses where space is limited, for example, at the front desk of banks, travel agents, stations or surgeries.

Flexible, Eco-friendly and cost effective 
The ML5790eco has been developed with eco-friendly technology.  With power consumption of just 1.5w in sleep mode, your running costs and energy consumption are kept to a minimum, as well as reducing your carbon footprint.

More paper paths give you flexibility. The three tractor feeding paths handle multi-part forms and continuous paper from either the front, rear or bottom. The two friction feeding paths handle cut-sheets, cards and envelopes from either the front or top.

A selection of pull and push tractors allow permanent stationary loading, for use on demand and handle multi-part and continuous forms more efficiently. The Roll Paper Stand is a cost effective option for applications with variable paper lengths.

Key specifications

  • Print speed:High Speed Draft: 576cps (12cpi), 480cps (10cpi); Draft: 540cps (15cpi), 432cps (12cpi), 360cps (10/20cpi), 309cps (17.1cpi); Letter Quality: 240cps (20cpi), 206cps (17.1cpi), 180cps (15cpi), 144cps (12cpi), 120cps (10cpi)
  • Number of copies:Up to 1 original + 5 copies

Full specifications

Printing Characteristics

  • No of pins:24
  • Columns:80 (10cpi); 160 (maximum in compression mode)
  • Character pitch:5/6/7.5/8.5/10/12/15/17.1/20 pitch and proportional
  • Print speed:High Speed Draft: 576cps (12cpi), 480cps (10cpi); Draft: 540cps (15cpi), 432cps (12cpi), 360cps (10/20cpi), 309cps (17.1cpi); Letter Quality: 240cps (20cpi), 206cps (17.1cpi), 180cps (15cpi), 144cps (12cpi), 120cps (10cpi)
  • Built in barcodes:UPC-A, UPC-E, EAN8, EAN13, Code39, Interleaved 2of5, Code128 (A/B/C), CODABAR (NW-7), POSTNET, Industrial 2of5, Matrix 2of5,

Interfaces and Emulations

  • Interface:IEEE 1284 parallel interface, USB 2.0 (full speed)
  • Optional interface(s):Ethernet 10/100, Serial RS232C
  • Emulation:Epson LQ ESC/P2, IBM PPR, IBM AGM
  • Typeface and Font:HSD, Draft, Courier (scalable), Roman (scalable), Swiss (scalable), Swiss Bold, Orator, Gothic, Prestige, OCR-A, OCR-B
  • Typestyle:Emphasised, Enhanced, Double Width, Double Height, Italics, Outline, Shadow, Superscript, Subscript, Underline
  • Printer driver:Windows 2000 / XP (32-bit & 64-bit) / Vista (32-bit & 64-bit) / 7 (32-bit & 64-bit) / Server 2003 (32-bit & 64-bit) /Server 2008 (32-bit & 64-bit) / Server 2008 R2 (64-bit)
  • Utilities:Status monitor, Button setup utility, Menu setup utility, TOF setup utility, Network setup utility, LPR utility

Paper Handling

  • Standard:Cut Sheet (single sheet), Continuous Paper (single-part, multi-part), Roll paper, Envelope, Card, Label (cut sheet and fan fold)
  • Continuous paper:Width: ML5790eco: 76.2 - 254.0mm / Length: 76.2 - 558.8mm
  • First printable line (from top of page):Continuous: 2.12mm; Cut sheet: 0.5mm
  • Number of copies:Up to 1 original + 5 copies
  • Multi-part paper thickness:Front/rear push feed: 0.36mm; Front/rear pull feed & front/rear push-pull feed: 0.44mm; Bottom pull feed: 0.48mm
  • Standard paper handling:Manual insertion: Front or rear in, top out; Push Tractor: Front or rear in, top out; Pull tractor: Front or rear or bottom in, top out
  • Optional paper handling:Single Bin Cut Sheet Feeder, Push Tractor (front/rear feeds), Pull Tractor (bottom feed), Roll Paper Stand

General Features

  • Input buffer128Kbytes
  • Power supplySingle phase 220 to 240VAC, +/- 10%
  • Power consumption:ISO/IEC 10561 Letter, Roman, Range1: 52W; Sleep mode (no options attached): 1.5W
  • Noise levelNormal: 57dB(A); Quiet: 52dB(A); Silent mode: 49dB(A)
  • Dimensions(HxWxD)191 x 438 x 375mm
  • Weight7.5kg approx


  • Print head life:400 million characters
  • Reliability:MTBF: 25,000 hours

Other Specifications

  • Warranty: 3 years extended warranty upon registration within 30 days of purchase
  •  This product complies with EN55022 Class B. However when fitted with the optional network interface card or optional cut sheet feeder, compliance to EN55022 is Class A. In a domestic environment this configuration may cause radio interference, in which case the user may be required to take adequate control measures

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