Epson Stylus 300 - Interface Specifications; Specifications and Pin Assignments

Interface specifications
Your printer is equipped with an &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
Return
Pin
Pin
i-
1 19
20
21
22
23
24
25
~ 26
27
28
A-
Signal
Direction
STROBE
IN
Description
STROBE pulse to read data.
Pulse width must be more
than 0.5 fl at the receiving
terminal.
DATA 1
DATA 2
DATA 3
DATA 4
DATA 5
DATA 6
DATA 7
DATA 8
ACKNLG
OUT
IN
IN
IN
IN
IN
IN
’ IN
IN
These signals represent
information in bits 1 to 8 of
parallel data respectively.
Each signal is at HIGH level
when data is logical 1 and
LOW when it is logical 0.
About an 11-p pulse. LOW
indicates that data has been
received and that the printer
is ready to accept more
data.
A-8 Appendix