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OKI ML3320eco A4 Mono Dot Matrix Printer

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Prints in black and white only

01308203

3.7  /  5   Read 4 Customer Reviews

OKI ML3320eco

3.7  /  5   Read 4 Customer Reviews
Business Price £321.63
ex VAT @ 20%
£385.96
inc VAT
  • Key Features
  • Overview
  • Detailed Spec
  • Cartridges & Accessories
  • Questions & Answers
  • Reviews
  • USB & Parallel
  • 240 x 216 dpi Print
  • Epson FX, IBM ProPrinter, Microline
  • Top-feed: semi-automatic feeding of single sheets or cut sheetfeeder for letterhead
  • 128Kb RAM
  • Parts: 5 (original + 4 copies)
  • width: 80 characters (10cpi), 160 characters (compressed mode)
  • 387cps Draft
  • 435cps Fast Draft
  • 73cps Best
  • Rear-feed: for extra flexibility: paper park feature for easy switching between continuous forms and single sheets
Model Memory Price ex Vat
OKI ML3320eco 128Kb £321.63 View
OKI ML3320eco in More Detail

The OKI ML3320eco mono dot matrix printer is suited to high speed, high volume data and word processing applications, where fast throughput and flexible paper management are required.

Robust and reliable

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 as well as the ability to run twice as long as most printers in their class, they are ideal for customer service points in wholesale and service environments.


The ML3320eco can accommodate multipart forms and stock that are up to twice as thick as those that fit the nearest competitor.

A high performance machine

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 even in the toughest environments.


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

Reducing your carbon footprint

The ML3320eco/ML3321eco 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.

Product Group Output A4
Printer Standard Resolution 240 x 216 dpi Print
Print Width width: 80 characters (10cpi), 160 characters (compressed mode)
Speed Draft 387cps Draft
Speed Fast Draft 435cps Fast Draft
Speed Near Letter Quality 73cps Best
Number of Copies Parts: 5 (original + 4 copies)
Interface Type(s) USB & Parallel
Parallel Ports Centronics parallel interface Parallel Port
Memory (Maximum) 128Kb RAM
Paper Handling Input 2 Top-feed: semi-automatic feeding of single sheets or cut sheetfeeder for letterhead
Paper Handling Input 3 Rear-feed: for extra flexibility: paper park feature for easy switching between continuous forms and single sheets
Envelope Size 165 x 92mm
Media Supported Light card stock: max. 163 g/m2 (via bottomfeed)
Paper Handling Features Pull tractor, Single bin cut-sheet feeder, Dual bin cut-sheet feeder (ML3320eco only), Roll paper stand (ML3320eco only), Bottom push tractor
Paper Size Continuous forms: 76 - 254 mm
Paper Weight 38 to 90g/Sq m
Barcode 5031713050360
Built in Bar Codes Code 39, UPC-A, UPC-E, EAN 8, EAN 13, Interleaved 2 of 5, ZIP, Code 128
Mono or Colour Printer Mono
Technology Dot Matrix Printer
Case Colour Classic Grey
Dimensions 39.8cm (W) x 34.5cm (D) x 11.6cm (H) - Weight 5.8kg
Noise Level 57dbA
Product Summary OKI Microline 3320eco A4 Mono Dot Matrix Printer
Product Type Dot Matrix Printer
Voltage/ Power/ Frequency 220 to 240VAC / 50 to 60Hz
Carton Dimensions 55cm (W) x 25.5cm (D) x 50.5cm (H) - Weight 7.2kg
Print Head Life 200,000,000 Characters
Ribbon Life 3,000,000 Characters
Emulations Epson FX, IBM ProPrinter, Microline
Font Capabilities HSD, Utility, NLQ-Courier (Scalable), NLQ-Gothic (Scalable), Barcodes, OCR-B
Warranty 3 year On-Site Warranty (when product is registered within 30 days of purchase).
Character Pitch 10/12/15/17.1/20 pitch and proportional
MTBF 10,000 Hours

**Page yields are declared by the manufacturer in accordance with ISO/IEC standards or occasionally estimated based on 5% per page coverage. Yields will vary greatly depending on image, area coverage, print mode and environmental conditions.

OKI ML3320eco Consumables

DescriptionProduct CodePrice
Printer Ribbon (3 million characters)
09002303

£7.79 ex VAT @ 20%

£9.35 inc vat

99+ In Stock

**Page yields are declared by the manufacturer in accordance with ISO/IEC standards or occasionally estimated based on 5% per page coverage. Yields will vary greatly depending on image, area coverage, print mode and environmental conditions.

OKI ML3320eco Accessories

DescriptionProduct CodePrice
OKI Pull Tractor
09002365

£35.00 ex VAT @ 20%

£42.00 inc vat

OKI Bottom Push Tractor
09002366

£39.00 ex VAT @ 20%

£46.80 inc vat

OKI Cut Sheet Feeder (Single)
44497402

£160.00 ex VAT @ 20%

£192.00 inc vat

OKI Roll Paper Stand
09002332

£45.00 ex VAT @ 20%

£54.00 inc vat

99+ In Stock
OKI Serial Interface RS232C
44455102

£50.00 ex VAT @ 20%

£60.00 inc vat

OKI RS422 Interface
9002357

£79.00 ex VAT @ 20%

£94.80 inc vat

OKI LAN7130E Network Card
45268706

£210.00 ex VAT @ 20%

£252.00 inc vat

18 In Stock

OKI ML3320eco Cables

DescriptionProduct CodePrice
USB 2.0 Cable (1.8 Metre)
usbcable

£4.95 ex VAT @ 20%

£5.94 inc vat

99+ In Stock
USB 2.0 Cable (3 metre)
usbcable3m

£6.95 ex VAT @ 20%

£8.34 inc vat

99+ In Stock
USB 2.0 Cable (5 Metre)
usbcable5m

£9.95 ex VAT @ 20%

£11.94 inc vat

99+ In Stock

Customer Question & Answers

Can't find the answer you're looking for? Our printer experts are here to help!
Q We have a OKI Microline 320 Elite (Parrallel) , it would seem we need to replace this because it will not work on the new windows 10 pc we have now installed. Would this printer work on a windows 10 pc We are using this to print tickets from a weighbridge system
A Hi, Yes the OKI ML3320eco is Windows 10 compatible. All drivers for this printer can be downloaded from OKI's website.
Q can this be connected to a network?
A Yes, the OKI Microline 3320eco can be connected to a network using a OKI LAN7130E Network Card.
Q We have 2 x of the Oki 3320's. We need another dot matrix but need it to take the wider A3 type paper. Do Oki make an equivalent version?
A The OKI Microline 3320eco (01308203) does not print on A3 paper. The OKI Microline 3321eco (01308303) however does print on A3 paper as this is a wide carriage model which takes similar sized paper to A3 (136 column width)
Q We have an Oki Microline 3320 eco but we now want to put it on our network. Do Oki make an accessory so you can put it on a network?
A Oki do currently offer an accessory for the OKI Microline 3320eco (01308203) to put a printer on the network, it is the OKI OKILAN7130E Network Card.
Q Will this dot matrix print on 10cm wide paper?
A The OKI Microline 3320eco (01308203) can print on paper with a width of 10cm.
  • 1
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3.7 / 5 based on 4 Customer Reviews
Write a Review
  • 4.5/5
  • Value...4
  • Features...5
  • Quality...4
  • Performance...5
oki cutting corners on instructions
life would be so much easier if you provided a proper operators manual and not that useless cd.Trying to set up printer was impossible using cd. otherwise the printer does what it says and is easy to operate.the set up diagrams are good except the release tabs on the tractor feeds are not shown.overall though pleased with product and printerland.
  • 4.2/5
  • Value...4
  • Features...5
  • Quality...4
  • Performance...4
Good speed
Great printer for invoice orders and dispatch notes, good instructions in the manual and easy to install.
  • 5/5
  • Value...5
  • Features...5
  • Quality...5
  • Performance...5
Does exactly what it says on the tin
This is a perfect little dot matrix printer for my company. We replaced another old OKI Microline machine with this and haven't been disappointed. Printerland service as good as ever.

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Price applicable to business customers and those eligible to recover VAT.

VAT is payable at a rate of 20%

This calculation is based on current pricing which is subject to change over time and excludes the cost of additional long life components such as drums, fusers or other maintenance items.

*Page yields are declared by the manufacturer in accordance with ISO/IEC standards or occasionally estimated based on 5% coverage. Yield will vary greatly depending on image, area coverage, print mode and environmental conditions.

*Page yields are declared by the manufacturer in accordance with ISO/IEC standards or occasionally estimated based on 5% per page coverage. Yields will vary greatly depending on image, area coverage, print mode and environmental conditions.

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