Oki 3321, 3320 specifications Head Drive Timing Chart

2.1.5Print Control

Print data is transmitted as parallel data (HEAD1~HEAD9) from LSI to print head. LSI generates print timing and drive time.

Control/Power Supply Board

MPULSI

A/D bus

Driver Board

Print Data

HEAD1-N~

HEAD9-N

DRIVER

Print Data

HEAD1~

HEAD9

Print Head

HEAD DRIVE TIMING CHART

DT1

DT2

HEAD

DRIVE CURRENT

2 – 9