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Print Method
|
Impact dot matrix
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|
Printhead
|
9 pins
|
|
Print Speed,
Characters per second (cps)
|
|
|
Super Speed Draft (SSD):
|
360 cps (12 cpi only)
|
|
High Speed Draft (HSD):
|
300 cps
|
|
Utility:
|
250 cps
|
|
Near Letter Quality (NLQ):
|
62.5 cps
|
|
Characters per line (cpl)
|
ML320/ML321
|
|
at 10 cpi
|
80 cpl/136 cpl
|
|
at 12 cpi
|
96 cpl/163 cpl
|
|
at 17.1 cpi
|
137 cpl/233 cpl
|
|
at 20 cpi
|
160 cpl/272 cpl
|
|
Emulations
|
E/I Model: Epson FX or IBM Proprinter
Standard Model: OKI Microline
|
|
Reliability
|
|
|
Mean Time Between Failures (MTBF)
|
6000 hours at 25% duty cycle and
35% page density
|
|
Mean Time to Repair (MTTR)
|
15 minutes
|
|
Printhead life
|
200 million characters on average
|
|
Ribbon Life
|
3 million characters on average
|
|
Interface
|
Centronics parallel standard
RS-232C serial optional
|
|
Dimensions (W x D x H)
|
|
|
Model 320:
|
15.7" x 13.6" x 4.6"
|
|
Model 321:
|
21.7" x 13.6" x 4.6"
|
|
Weight
|
|
|
Model 320:
|
15.4 lb.
|
|
Model 321:
|
20.9 lb.
|
|
Environmental Requirements
|
|
|
Operating Temperature:
|
41 to 104°F (5 to 40°C)
|
|
Storage Temperature:
|
14 to 109°F (-10 to +43°C)
|
|
Operating Humidity:
|
20 to 90% RH
|
|
Storage Humidity:
|
5 to 95% RH
|
|
Electrical requirements
|
120 volts ac (+5.5%, -15%), 60 Hz (±2%)
Also available for 230/240 volts ac, 50/60 Hz
(special order)
|
|
Paper Specifications
|
|
|
Minimum Width:
|
3"
|
|
Maximum Width:
|
Model 320 - 10"
Model 321 - 16"
|
Okidata
