Printhead

Spares

OKI Microline 5520 Narrow Carriage and 5521 Wide Carriage 9-Pin Dot Matrix Printers

9-Pin dot matrix printer aimed at dedicated forms printing. Ideal for wholesale, retail and service environments where a verifiable paper record is wanted and for labels and listings.

The ML5520 and 5521 are new designs based on OKIs well tested and reliable dot matrix series. These new printers boast higher print speeds, USB connection and much improved MTBF figures whilst keeping the long-life printhead.

  • Choice of 80 column ML5520 (A4) or 136 column width ML5521 at 10cpi
  • High durability 9 pin head with a 200 million character life
  • Print speed to 507 cps at 10 cpi and 570 cps at 12 cpi
  • Barcode support.
  • Centronics Parallel and USB interface as standard
  • RS232 Serial version available
  • 4 million character ribbon life
  • Up to 6 part forms, 1 original and 5 copies

The ML520 and 520 elite are similar but slower.

Control:

Touch-Buttons and lights along front of the printer.

Duty Cycle:

MTBF 20,000 hours

Ribbon life: 4 million characters in utility mode at 10cpi (re-inking cartridge)

Printhead life: 200 million characters

Characters per second at 12 dpi.

Super speed (12cpi): 570cps

High speed draft (10cpi): 507cps

Utility: 380cps

Near letter quality: 95cps

Fastest print speed: 570cps

Up to 240 x 216 dpi

Carriage Widths: at (10cpi) 80 columns and 136 columns. In compressed mode 160 columns and 272 columns

Character Pitch: 10/12/15/17.1 /20 pitch & proportional

Typeface & Font: NLQ-Courier (Scalable), NLQ-Gothic (Scalable), OCR-B, High Speed Draft, Utility + Barcodes

Paper Handling:

2 Versions ML5520 with narrow cartridge 76&254mm. ML5521 with wide carriage 76&406mm.

Standard Paper Handling: Paper parking, Low tear-off, Push tractors, Autoload single sheet

Paper parts: 6 part forms, 1 original and 5 copies

Continuous paper 76, 254mm, 76, 406mm

Continuous envelopes 165 x 92mm 241 x 105mm

First printable line (from top of page) Cut-sheet 0.5mm. Continuous paper 0.5mm

Optional Paper Handling: Pull tractor, Single/dual bin sheet feeder, Bottom Push tractor, Roll paper stand (80 column only).

Memory:

128kb

Interface:

Standard Interfaces: Centronics Parallel

Optional Interfaces: Serial RS 232C/RS 422/Current Loop

Emulations: Epson FX, IBM ProPrinter/Graphics, Oki MicroLine

Power:

230V AC Frequency 50/60Hz.

Dimensions:

ML 5520: Elite Narrow Version 153 x 398 x 345mm 7.5kg

ML 5521: Elite Wide Version 153 x 552 x 345mm 9.5kg

Weight:

ML 5520:7.5kg

ML 5521:9.5kg

Acoustic Noise:

56dB(A) in normal operation / 52dB(A) in quiet mode.

Consumables:

Ribbon (Life 4 million characters in utility mode at 10cpi (re-inking cartridge))

Printhead (Life 200 million characters)

Options and Accessories:

Roll paper stand (ML5520 elite only)

Pull tractor feed - narrow, wide

Single bin sheet feeder

Dual bin cut sheet feeder

Bottom push tractor.

Serial RS 232C/RS 422/Current Loop Interface:

The OkiLAN 7120E network print server can be used with the ML5520/21.

Copyright G & J Huskinson & MindMachine Associates Ltd 2013, 2015. Some pictures derived from OKI User and Service guides. These technical pages do not constitute an offer for sale; just our knowledge at the time of writing. See the catalog. Sales pages on this Web site use cookies to store user information. We also use Google Analytics to track site usage patterns.