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Interface Specifications
Your printer is equipped with an S-bit parallel interface. For
specifications on optional interfaces, refer to their manuals.
Pin Assignments for the Parallel Interface
Connector pin assignments and a description of their respective
interface signals are shown in the following table.
Signal Return
Pin Pin
Signal
Direction Description
1
19
STROBE IN
STROBE pulse to read data. Pulse width
must be more than 0.5 microseconds at
the receiving terminal.
2
20
DATA 1
IN
These signals represent information of the
3
21
DATA 2
IN
1st to 8th bits of parallel data,
4
22 DATA 3
IN
respectively. Each signal is at HIGH level
5
23
DATA 4
IN
when data is logical 1 and LOW when it is
6
24
DATA 5
IN
logical 0.
7
25
DATA 6
IN
8
26
DATA 7
IN
9 27 DATA 8
IN
10
28
ACKNLG
OUT
About an 11-microsecond pulse. LOW
indicates that data has been received and
that the printer IS ready to accept more
data.
11
29
BUSY
OUT
A HIGH signal indicates that the printer
cannot receive data. The signal goes
HIGH in the following cases:
1) During data entry (ea. char. time)
2) During printing
3) When off line
12
30 PE
4) During printer-error state
OUT
A HIGH signal indicates that the printer is
out of paper.
8-8
Technical Specifications