Epson DFX-5000+ 用户手册
lnferface Specifications
This printer is equipped with both a parallel and a serial interface.
Parallel interface
Connector pin assignments and a description of their respective interface
signals are shown in the table on the following pages.
signals are shown in the table on the following pages.
Signal
Return
Pin
Pin
Signal
Direction
Description
1
19
STROBE
IN
STROBE pulse to read data.
Pulse width must be more
than 0.5 µs at the receiving
terminal.
terminal.
2
20
DATA 1
IN
These signals represent
3
21
DATA 2
IN
Information in bits 1 to 8 of
4
22
DATA 3
IN
parallel data respectively.
5
23
DATA 4
IN
Each signal is at HIGH level
6
24
DATA 5
IN
when data is logical 1 and
7
25
DATA 6
IN
LOW when it is logical 0.
8
26
DATA 7
IN
9
27
DATA 8
IN
10
28
ACKNLG
OUT
About an 11- µs pulse. LOW
indicates that data has been
received and that the printer
is ready to accept more
data.
indicates that data has been
received and that the printer
is ready to accept more
data.
11
29
BUSY
OUT
A HIGH signal indicates the
printer cannot receive data.
The signal goes HIGH in the
following cases:
printer cannot receive data.
The signal goes HIGH in the
following cases:
1) During data entry (for each
character)
2) During printing
3) When the PAUSE button is
3) When the PAUSE button is
pressed
12
30
13 -
PE
SLCT
OUT
OUT
4) During an error state
A HIGH signal indicates that
the printer is out of paper.
the printer is out of paper.
Always HIGH
Technical Specifications A-11