Epson EPL-9000, Руководство по обслуживанию

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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