OKI Microline 720 Plus – 9 Pin Dot Matrix Printer


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  • OKI Printing Solutions reliability backed by 20,000H MTBF
  • Optimised for high levels of throughput
  • Integrated USB and IEEE Parallel Standard Interfaces
  • Multi-copy capability (up to 6-part forms)
  • Up to 570cps Super Speed Draft
  • 128KB Buffer memory
  • Low noise (56dB(A) in standard operation and 52dB(A) in quiet mode)


Specifications ML720 ML721
General Number of pins 9
No. of multi-part forms 6 (one original + 5 copies)
Speed and throughput Super speed (12cpi) 570cps
High speed draft (10cpi) 507cps
Utility 380cps
Near letter quality 95cps
Fastest print speed 570cps
Font & print features Carriage width (10cpi) 80 Columns 136 Columns
Max. in compression mode 160 Columns 272 Columns
Character pitch 10/12/15/17.1/20 pitch & proportional
Graphics resolution Up to 240 x 216 dpi
Typeface & Font NLQ-Courier (Scalable), NLQ-Gothic (Scalable), OCR-B, High Speed Draft, Utility + Barcodes
Emulations & Interfaces Printer emulations Epson FX, IBM ProPrinter, Oki Microline
Standard interfaces Centronics Parallel + USB
Optional interfaces Serial RS 232C/RS 422/Current Loop
Paper handling 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: 0.5mm
Standard Paper parking, Low tear-off, Push tractors, Autoload single sheet
Optional Pull tractor, Single/dual bin sheet feeder, Roll paper stand (80 column only), Bottom push tractor
Physical Dimensions (HxWxD) 153 x 398 x 345mm 153 x 552 x 345mm
Weight 7.5kg 9.5kg
Memory 128KB
Noise level 56dB(A) normal operation / 52dB(A) in quiet mode
Power Power requirements 230V AC
Frequency 50/60Hz
Reliability Print head life 200 million characters
Ribbon life 4 million characters (re-inking cartridge)
MTBF 20,000 hours