Print Control - Oki ML420 Maintenance Manual

2.1.5 Print Control

Print data is transmitted as parallel data (HD01~HD09) from SOC to print head. SOC generates
print timing and drive time.
DT1
DT2
HEAD
DRIVE CURRENT
42113931TH Rev.1
Main Control PCB
SOC
Print Data
HD01-P~
HD09-P
HEAD DRIVE TIMING CHART
DRIVER
Print Data
HEAD1-N~
HEAD9-N
Oki Data CONFIDENTIAL
Print Head
16 /