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15 14
TM-T88
III
series
Specification
(STANDARD)
B
To reset the printer, the following requirements must be satisfied.
•
DC characteristics:
Table 2.1.4 Reset DC Characteristics
Pin 6 (DSR)
Pin 25 (INIT)
Reset active voltage
V
A
-15 to -3 V
+2 to +15 V
Reset negative voltage
V
N
+3 to +15 V
-15 to + 0.8 V
Reset active current
I
A
-5.3 mA (maximum)
1 mA (maximum)
Reset negative current
I
N
-5.0 mA (maximum)
-2 mA (maximum)
Input impedance
R
IN
3 k
Ω
(minimum)
•
AC characteristics:
Minimum reset pulse width: T
RS
1 ms (minimum)
•
When using pin 6 (DSR) (DIP switch 2-7 is ON):
TRS
H
L
Figure 2.1.1 Minimum Reset Pulse Width (pin 6)
•
When using pin 25 (INIT) (DIP switch 2-8 is ON):
TRS
H
L
Figure 2.1.2 Minimum Reset Pulse Width (pin 25)
NOTES:
•
When a signal that does not satisfy the requirements above is input, printer operation is
not guaranteed. When a signal is input to pin 25 (INIT) at the TTL level, the
requirements above must also be satisfied. Although a signal is input to pin 6 (DSR) at
the TTL level, according to the DC characteristics described above, the operation is not
guaranteed and pin 6 cannot be controlled.
•
When pin 6 (DSR) and pin 25 (INIT) are open, the printer is operating.
SPACE
MARK
TRS
SPACE (H)
MARK (L)
TRS
