Interface Specifications; Parallel Interface - Epson EPL-7500 User Manual

Interface Specifications

The printer has the following resident interfaces:
• Parallel
• RS-232/RS-422 serial
AppleTalk
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Parallel interface

Your printer is equipped with an B-bit parallel interface.
Pin assignments for the parallel interface
The parallel interface connector pin assignments and a description
of the interface signals are shown in the table below.
Signal Return
Pin Pin
1 19
2 20
21
3
4 22
5 23
6 24
7 25
26
a
27
9
10 28
8-10 Technical Specifications
Signal Direction
STROBE IN
DATA 1 IN
DATA 2
IN
DATA 3 IN
DATA 4 IN
DATA 5 IN
DATA 6 IN
DATA 7 IN
DATA 8
IN
A C K N L G O U T
Description
The STROBE pulse to read data in. Pulse
width must be more than 0.5
microseconds at the receiving terminal.
These signals represent Information of
the 1st to 8th bits of parallel data,
respectively. Each signal
when data is logical 1 and at LOW level
when it is logical 0.
About a 10-microsecond pulse. LOW
indicates that data has been received
and that the printer is ready to accept
more This signal is output as a pair
data.
with BUSY.
at HIGH level
IS