1 structure of the thermal head (ltpf247) – Seiko Instruments LTP F Series User Manual

Page 33

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3.5.1 Structure of the Thermal Head (LTPF247)

Figure 3-9 shows the thermal head block diagram for the LTPF247.

Table 3-7 shows the relationship between DST blocks and activated heat elements.

Figure 3-9 Thermal Head Block Diagram (LTPF247)

DAT IN2

CLK

LATCH

DST2

DAT OUT2

TH

TH

Vdd

GND

Output driver

Latch register

Shift register

Heat elements

Vp

DOT448

DOT193

DOT192

DOT

1

Thermistor

Block 2

Block 1

DAT IN1

DAT OUT1

*1

*1

N.C. if not using DAT OUT

DST1

*1

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