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9 SCHEMATIC DIAGRAM
9.1. SCHEMATIC DIAGRAM (DIGITAL CIRCUIT)
CIS LED ARRAY
ON: 3.3V
T5
3.3V
0V
T4
T3
T2
OFF: 0V
MOTOR ON: 3.3V
OFF: 0V
PRINTING
LATCH
STB1
THERMAL
HEAD TEMP
STB2
DATA
CLOCK
5V
0V
5V
0V
5V
0V
23~24V
PRINTING 3.3V
WATCH DOG ERROR
5V (NORMAL)
5V
0V (WATCH DOG ERROR OCCUR)
FAX TX signal
FAX RX signal
KX-FT21RS
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