Oki ML490 Maintenance Manual - Page 20
Head Drive Timing Chart
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2.1.5 Print Control Print data is transmitted as parallel data (HEAD1~HEAD24) from LSI to print head. LSI generates print timing and drive time. Control Board MPU LSI A/D bus Print Data DRIVER Print Data Print Head HEAD1-N~ HEAD9-N HEAD1~ HEAD9 HEAD DRIVE TIMING CHART DT1 DT2 HEAD DRIVE CURRENT 42114101 Rev.1 20 /
42114101
Rev.1
20 /
2.1.5
Print Control
Print data is transmitted as parallel data (HEAD1~HEAD24) from LSI to print head. LSI generates
print timing and drive time.
Print Data
MPU
LSI
DRIVER
HEAD1-N~
HEAD9-N
Print Head
A/D bus
HEAD1~
HEAD9
Control Board
Print Data
HEAD DRIVE TIMING CHART
DT1
DT2
HEAD
DRIVE CURRENT