Seiko LTP F Series, Reference Manual

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Table 3-8 DST Blocks and Activated Heat Elements (LTPF347)
DST Number Heat Element Number Dots/DST
DST1 1 to 384 384
DST2 385 to 640 256
3.5.5 Printed Position of the Data (LTPF347)
384 data dots from No.1 to No.384 which are transferred through DAT IN1 terminal and 256 data dots
from No.385 to No.640 are printed as shown in
Figure 3-12 .
For No.1 to No.32 of 384 data dots transferred from the DATA IN1 and No.609 to No.640 of 256 data
dots transferred from the DATA IN2, set the NULL data.
Figure 3-12 Printed Position of the Data (LTPF347)
LTPF347 printer mechanism
1 2 3 4 5 6 .................... 638 639 640
Paper feed direction
Print surface
Data print sequence
Paper
DATA IN1 Data input sequence 1 2 . . . . . . 383 384
Data in
DATA IN2 Data input sequence 385 386 . . . . . . 639 640