9 Block Diagram
9-5 Printer driver
Note:
When Head driving voltage is High, Head driving time becomes Short.
When Head driving voltage 기 low, Head driving time becomes Long.
PART A
TIMING PULSE SENSING,
GUARANTEE PAPER
SENSING,
HEAD LOCATION
SENSING
9-4
ERP-400
9-PIN DOT MATRIX R/J PRINTER
RECEIVER
PART B
MOTOR, STAMP, AUTO-
CUTTER,
RECCEIPT/JOURNAL
PAPER FEEDING, HEAD
SOLENOID DRIVING
IC4 (SCR 60K)
DRIVER
PART C
HEAD SOLENOID DRIVING
TIME CONTROLLING
CONTROL
SAM4S ER-5100 SERIES