Service
General Description
1.3 INTERFACE SPECIFICATIONS
The
is equipped with the following external interfaces:
■
Parallel interface
■
interface
■
Optional LocalTalk interface
■
Optional Type B interface
1.3.1 Parallel Interface
The parallel interface has two modes as follows:
Compatibility mode (same as parallel interface of EPSON’s current page printer)
■
Reverse mode
1.3.1.1 Compatibility Mode of Parallel Interface
System:
STROBE synchronization, 8-bit parallel data transfer
Handshaking:
BUSY and
signals
Connector type:
receptacle
Applicable plug:
57-30360
or equivalent)
Transfer speed:
Approximately 400,000 bytes/second (max.)
Signal timing:
See Figure 1-3.
Signal description:
See Table 1-8.
(minimum) (minimum)
I
I
DATA 1-8
VALID
(minimum)
S T R O B E
\ -
(maximum)
0 s
B U S Y
0 . 5 o r
(minimum)
●
\
\
I
1 or
(typical)
Figure 1-3. Compatibility Mode Signal Timing
Rev.
1-11