Oki ML5521ECO, ML5520ECO SPECIFICATIONS SHEET

ML5520eco/ML5521eco Specifications

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High performance, versatile, 9-pin printers
for dedicated forms printing

High speed, high volume, outstanding reliability

The ML5520eco and wide carriage ML5521eco
printers are suited to high speed, high volume
data and word processing applications where fast
throughput and flexible paper management are
required.

These 9-pin, impact printers are engineered to be
tough enough for dedicated printing in the most
demanding environments. With outstanding
reliability, ease-of-use and barcoding facilities and
the ability to run twice as long as most printers
in their class, they are ideal for supporting forms
printing at customer service points in wholesale
and service environments.

Precision, Flexibility and Resilience

The ML5520eco/ML5521eco can accommodate
multipart forms and stock that are up to twice
as thick as those that fit our nearest competitor.
Their relentless performance comes from OKI’s
unique, high durability printhead design; and
a light, strong, efficient motor. The long-last
rack-and-pinion drive system and a protective,
impact-resistance chassis, make it resilient to even
the toughest environments.

A patented optical sensor places the printhead for
precise output, and the auto-tear feature accurately
positions your continuous forms for a clean tear
right at the perforation – eliminating wasted forms
and facilitating your day-to-day forms printing.

Eco-friendly and cost effective

The ML5520eco/ML5521eco have been developed
to be eco-friendly. With power consumption at just

1.5W in sleep mode, your running costs and energy
consumption are kept to a minimum, as well as
reducing your carbon footprint.

OKI’s commitment to customers

The OKI brand is one of proven reliability and
value. We provide printers that increase our
customers’ long-term business performance
without impacting their budget.

With almost half a century of experience in
the impact printer industry, with OKI you are
guaranteed a best-in-class, low cost, reliable and
easy to use printer. And, for total peace of mind
just register your product and take advantage of
our extended three-year warranty at no extra cost.

Highlights:

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80/136 column dot matrix printers

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OKI’s unique, high durability 9-pin printhead

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Multi-part paper-handling (original + 5 copies)

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Up to 570 characters per second (cps)

print speed

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ML5521eco is ideal for account applications

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Eco-friendly technology, sleep mode

consumes just 1.5W

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Manufactured at a CarbonZero facility

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4 million character ribbon life

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Three-year warranty as standard

(product registration required)

Variants available:

ML5520eco

Narrow carriage

ML5521eco

Wide carriage

ML5520eco and ML5521eco - Dot Matrix Printers

Printer

Number of pins

Columns

Character pitch 10/12/15/17.1/20 pitch and proportional

Graphics resolution Up to 240 x 216 dpi

Print speed

Interface and Emulations

Interfaces

Optional interfaces

Emulations

Typeface & font

Typestyle

Paper Handling

Continuous paper ML5520eco: 76 - 254mm; ML5521eco: 76 - 406mm

Continuous envelopes

First printable line

(from top of page)

Copy capability

Paper feeding

Optional paper feeding

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ML5520eco: 80 (10cpi); 160 (maximum in compression mode)
ML5521eco: 136 (10cpi); 272 (maximum in compression mode)

Super Speed Draft: 570cps (12cpi); High Speed Draft: 507cps
(10cpi); Utility: 380cps; Near Letter Quality: 95cps

Centronics parallel interface, USB 2.0
Serial RS 232C, OKILAN 7120e3 Network Card
Epson FX, IBM ProPrinter, Microline

HSD, Utility, NLQ-Courier (Scalable), NLQ-Gothic (Scalable),
Barcodes, OCR-B

Emphasised, Enhanced, Double Width, Double Height, Italics,
Bold, Superscript, Subscript, Underline, Overscore

ML5520eco: 165 x 92mm;
ML5521eco: 241 x 105mm (Bottom feed only)

Continuous (multi-parts): 0.5mm;
Cut sheet (single sheet): 0.5mm

Up to 1 original + 5 copies
Paper parking, Low tear-off, Autoload single sheet,

Push tractors, Bottom feed

Pull tractor, Single bin cut-sheet feeder, Roll paper stand
(ML5520eco only), Bottom push tractor

General Features

Input buffer

Power supply

Power consumption

Noise level

Dimensions (HxWxD)

128Kbytes
Single phase 220 to 240VAC, +/- 10%, frequency 50/60Hz

ISO/IEC 10561 Letter, Draft, Range1: 40.2W;
Sleep mode (no options attached): <1.5W

56dB(A); 52dB(A) (quiet mode)

ML5520eco: 120 x 398 x 345mm;
ML5521eco: 120 x 552 x 345mm

Weight ML5520eco: 5.9kg approx; ML5521eco: 7.7kg approx

Print Head life

Reliability

Warranty

200 million characters
MTBF: 20,000 hours
3 years extended warranty upon registration within

30 days of purchase

Product order numbers ML5520eco: 01308602; ML5521eco: 01308702

Accessories (Order Numbers)

Single Bin Cut Sheet Feeder

ML5520eco: 44497402; ML5521eco: 44497502

Pull Tractor ML5520eco: 09002365; ML5521eco: 09002369

Roll Paper Stand

09002332 (ML5520eco only)

Bottom push tractor ML5520eco: 09002366; ML5521eco: 09002370

Serial RS232C

OKILAN 7120e3

Network Card

44455102

44455302

Consumables (Order Number)

Ribbon

(4 million characters)

01126301

Consumables Information: Only use genuine OKI Printing Solutions Original consumables to ensure the best quality and performance from your hardware. Non OKI Printing Solutions Original
products may damage your printer’s performance and invalidate your warranty.

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Simply Unique - 3 Year Warranty

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Our devices are manufactured to the highest standards of quality and technology, which has been confirmed by independent tests. We are so convinced of the high quality of our

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products that we are offering you an extension of the standard warranty period to 3 years – for free! Simply register your product within 30 days of purchase to be eligible for our

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unique all inclusive offer. Fully covered by OKI! For further information please visit: www.oki.nl/garantie

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Without registration, the standard pan-European 1 year warranty applies.

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Oki Systems (Holland) b.v.
Neptunusstraat 29, 2132 JA
Hoofddorp
Postbus 690, 2130 AR
Hoofddorp
Telefoon: 023 – 5563 740
Fax: 023 – 5563 750

WARNING! This product complies with EN55022 Class B. However when tted with the optional network interface card or optional cut sheet feeder,
compliance to EN55022 is Class A. In a domestic environment this conguration may cause radio interference, in which case the user may be
required to take adequate control measures.

E-mail: [e-mail]
www.oki.nl

© 2011 Oki Europe Ltd. Oki Printing Solutions is the trading name of Oki Europe Ltd. Version 1.0 02/2011.
Specication subject to change without notice. All trademarks acknowledged.