Oki ML3390 Ask Expert!

Versatile forms printer with 24 pin print head for improved print quality

  • 80 column dot-matrix printer
  • 24 pin printhead with Oki reliability
  • 390 characters per second print speed
  • Multi-part paper handling (original + 3 copies)
  • Ideal for general use and printing of invoices, statements, management information etc.

The Microline 3390 narrow and wide carriage printer is designed for users who require excellent quality and flexibility from a single printer. The Microline 3390 is ideal for volume applications requiring high throughput and flexible changing between various print media. High reliability, ease of use and various in-built barcodes makes this printer the ideal tool for industrial, commercial, service, small business and office environments.

Key specifications

  • Number of copies:4 (original + 3 copies)
  • Print speed:Fastest:390 High speed draft @ 10cpi: 260 Data/Letter quality @ 10cpi: 260/87
  • Printing width:80 characters (10cpi), 160 characters (compressed mode)

Full specifications

Other Specifications

  • Accoustic noise:57dBA, 52dBA in quiet-mode
  • Warranty:3 year
  • Voltage requirements:220/230 VAC (+6%, -14%) 240V AC (+/-10%)
  • Weight:8.4Kg 10.1Kg
  • Frequency:50/60 Hz
  • Dimensions(HxWxD):116 x 398 x 345mm,

Paper Handling

  • Paper path 1:Bottom-feed: for specific applications, heavier paper and labels (pull-tractor required)
  • Other media:Labels, thickness: max. 0.2mm incl. support
  • Optional paper handling:Single-bin & double-bin cut sheetfeeders Pull tractorfeed Bottom-pushtractor incl. stand and metal tear-off bar Roll paper stand
  • Paper path 2:Top-feed: semi-automatic feeding of single sheets or cut sheetfeeder for letterhead
  • Paper path 3:Rear-feed: extra flexibility: paper-park for easy switching between continuous forms and single sheets
  • Number of copies:4 (original + 3 copies)
  • Paper weight:45-90 g/m2
  • Standard paper handling:Push-tractor rear-feed Paper park feature Easy tear-off without paper waste Semi-automatic feeding of single sheets
  • Paper dimensions:63.5 - 254mm (continuous forms), max 165 x 91mm (continuous envelopes)

Printing Characteristics

  • Print speed:Fastest:390 High speed draft @ 10cpi: 260 Data/Letter quality @ 10cpi: 260/87
  • Printhead:24 pin printhead
  • Printing width:80 characters (10cpi), 160 characters (compressed mode)
  • Character pitch:10, 12, 15, 17 and 20cpi
  • Built in barcodes:Code 39, UPC-A, UPC-E, EAN 8, EAN 13, Interleaved 2 of 5, ZIP, Code 128
  • Fonts:Courier, Roman, Swiss, Swiss Bold, Orator, Prestige, Gothic, Utility
  • Optional fonts:None
  • Graphic resolution:360 x 360dpi (max.)
  • Memory:64Kb
  • First printable line:0.5mm from top of page
  • Font styles:Bold, enhanced, italics, double height, double width, underscored, super- and subscript, outline, shadow


  • Print head life:200M characters
  • Reliability:Print head life: 200M characters MTBF: 10,000 hours
  • Ribbon life:2M characters
  • MTBF:10,000 hours

Interfaces and Emulations

  • Interface:Centronics parallel & USB
  • Emulation:Epson LQ Esc/P2 IBM ProPrinter X24/XL24
  • Optional interface(s):RS-232C serial RS-422 Current loop

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