OKI ML 5521eco 01308701 Leaflet

Oki Systems (UK) Ltd.
550 Dundee Road, Slough
Berkshire, SL1 4LE
United Kingdom
T +44(0) 1753 819819
F +44(0) 1753 819899

© 2011 Oki Europe Ltd. Oki Printing Solutions is the trading name of Oki Europe Ltd. Version 1.0 02/2011. 

Specification subject to change without notice. All trademarks acknowledged.

WARNING! 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.

Single Bin Cut Sheet Feeder ML5520eco: 44497402; ML5521eco: 44497502

Push Tractor (bottom feed)  ML5520eco: 09002366; ML5521eco: 09002370

feeds)  ML5520eco: 09002365; ML5521eco: 09002369

Roll Paper Stand  09002332 (ML5520eco only)

Serial RS232C 44455102

Network Card  44455302

(4 million characters) 01126301

Number of pins 9

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

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

Graphics resolution Up to 240 x 216 dpi

Super Speed Draft: 570cps (12cpi); High Speed Draft: 507cps 

(10/12cpi);

 Utility: 380cps (10/12cpi); Near Letter Quality: 

95cps (10/12cpi)

Interfaces Centronics IEEE 1284 parallel interface, USB 2.0

Optional interfaces Ethernet 10/100, Serial RS232C

Emulations Epson FX, IBM ProPrinter, OKI MicroLine (ML)

Typeface & font SSD, HSD, NLQ-Courier (scalable), NLQ-Gothic (scalable), OCR-B

Typestyle Emphasised, Enhanced, Double Width, Double Height, Italics, 

Bold, Superscript, Subscript, Underline, Overscore

Barcodes UPC-A, UPC-E, EAN8, EAN13, Code39, Interleaved 2of5, 

Code128 (A/B/C), POSTNET

1

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 2003

Input buffer 128Kbytes

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

Power consumption ISO/IEC 10561 Letter, Draft, Range1: 40.2W;  

Sleep mode: <1.5W (with no optional attachments)

Noise level Normal: 56dB(A); Quiet: 52dB(A)

Dimensions (HxWxD) ML5520eco: 120 x 398 x 345mm 

ML5521eco: 120 x 552 x 345mm

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

Print Head life 200 million characters

Reliability MTBF: 20,000 hours

Warranty 3 years extended warranty upon registration within  

30 days of purchase

Product order numbers ML5520eco: 01308602; ML5521eco: 01308702

1

Check local OKI Printing Solutions website for latest driver releases and OS compatibility 

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.

Cut Sheet (single sheet), Continuous Paper (single-part, multi-

part), Roll paper (ML5520eco only), Envelope, Card, Label (cut 

sheet and fan fold)

Continuous paper (width) ML5520eco: 76.2 - 254.0mm; ML5521eco: 76.2 – 406.4mm

Continuous envelopes ML5520eco: 165 x 92mm 

ML5521eco: 241 x 105mm (Bottom feed only)

Continuous (multi-parts): 0.5mm  

Cut sheet (single sheet): 0.5mm

No of multi-part forms Up to 6 (one original + 5 copies)

Multi-part paper thickness Bottom push feed: 0.44mm; rear push feed & top/rear push-

pull feed: 0.38mm; Bottom pull feed: 0.44mm

Paper feeding Manual insertion: Top in, top out; Push Tractor: rear in, top out; 

Optional Push/Pull tractor: rear or bottom in, top out

Single Bin Cut Sheet Feeder, Bottom Push Tractor (bottom feed),

Top mounted Pull Tractor (bottom/rear feed), Roll Paper Stand 

(ML5520eco only)

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 
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 
unique all inclusive offer. Fully covered by OKI! For further information please visit: 

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