Specifications

Appendix A
Ml320/Ml321 Specifications
Print Method
Impact dot matrix
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
ML 320/321 ( 96-02-01 )