Epson 1520 - Stylus Color Inkjet Printer, Руководство пользователя

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Interface Specifications
Your printer is equipped with an 8-bit parallel interface.
Parallel interface
The built-in parallel interface has the following characteristics:
Forward channel
Data format: 8-bit parallel, IEEE-1284 compatibility mode
Synchronization: STROBE pulse
Handshake timing: BUSY and ACKNLG signals
Signal level: TTL compatible (IEEE-1284 level 1 device)
Connector: 36-pin 57-30360 Amphenol connector or
equivalent
Pin assignments
The parallel interface connector pin assignments and a description of the
interface signals are shown in the table below.
Signal
Pin Return
Pin
Signal Direction Description
1 19 STROBE IN STROBE pulse to read data.
2
3
4
5
6
7
8
9 20
21
22
23
24
25
26
27 DATA 0
DATA 1
DATA 2
DATA 3
DATA 4
DATA 5
DATA 6
DATA 7 IN
IN
IN
IN
IN
IN
IN
IN These signals represent
information in bits 0 to 7 of
parallel data respectively.
Each signal is at HIGH level
when data is logical 1 and
LOW when it is logical 0.
10 28 ACKNLG OUT About a 5-
µ
s pulse. LOW
indicates data has been
received and the printer is
ready to accept more data.
L
Loire2 Ref. Guide
Rev.c
A5 size Appendix C
11-11-96 DR, pass 0
C-14 Specifications