OKI ML5520 Manuel D’Utilisation

SPECIFICATIONS > 76

Print Method

Impact dot matrix

Printhead

9 pins, 0.30 mm (0.0118") diameter, with thermal 
protection

Interfaces:

Standard:

Optional

Centronics parallel, IEEE-1284 compliant
USB 1.1
RS-232C Serial

Receive Buffer Size

Maximum 128K

Reliability

Ribbon Life
Printhead Life

Mean Time Between 

Failures (MTBF)

Mean Time to Repair (MTTR)

4 million characters, on average, 10 cpi utility
200 million characters average in 10 cpi utility mode at 
25% duty and 35% page density

20,000 hours at 25% duty cycle and 35% page density
15 minutes

Emulations (co-resident)

IBM Proprinter III 
Epson FX
Oki MICROLINE Standard

Print Speed

Super Speed Draft
High Speed Draft (HSD)
Utility
Near Letter Quality (NLQ)

Speed*
570 cps
507 cps
380 cps
95 cps

* cps = characters per second

Characters per Line (cpl) Setting

10 cpi
12 cpi
15 cpi
17.1 cpi
20 cpi

80 cpl

136 cpl

96 cpl

163 cpl

120 cpl

204 cpl

137 cpl

233 cpl

160 cpl

272 cpl

Graphics Resolution

IBM, Epson

Oki Microline

Single

60 x 216

Double

120 x 216

Quadruple

240 x 216

Single

72 x 72

Double

144 x 144

Quadruple

288 x 144

* dpi = Dots per Inch