Epson STYLUS Stylus 400 - Interface Specifications; Specifications and Pin Assignments

Interface specifications
Your printer is equipped with an 8-bit parallel interface.
Specifications and pin assignments
The built-in parallel interface has the following characteristics:
Data format:
&bit parallel
Synchronization:
STROBE pulse
Handshake timing
BUSY and ACKNLG signals
Signal level:
TTL compatible
Connector:
36-pin 57-30360 Amphenol connector or
equivalent
The table below provides the connector pin assignments and describes
their respective interface signals.
Signal
Pln
1
2
20 DATA 1
3 21
DATA 2
4 22
DATA 3
5 23
DATA 4
6 24
DATA 5
7 25
DATA 6
8 26
DATA 7
9
27
DATA 8
10 28 ACKNLG
Return
Pin
19
Signal
STROBE
Direction
IN
IN
IN
IN
IN
IN
IN
IN
IN
OUT
Descrbtton
STROBE pulse to read data.
Pulse width must be more
than 0.5 us at the receiving
terminal.
These signals represent
information in bits 1 to 8 of
parallel data respectively.
Each signal Isat HIGH level
when data is logical 1 and
LOW when it is logical 0.
-
About an 11q.s pulse. LOW
Indicates that data has been
received and that the printer
is ready to accept more
data.
A-8 Appendix