Epson Stylus PHOTO 2000P Service Manual page 17

EPSON Stylus PHOTO 2000P
Table 1-8. Connector Pin Assignment and Signals
Return
Pin Signal
GND In/Out
No. Name
pin
1 -STROBE 19 In
2 DATA0 20 In
3 -9 DATA1-7 21-27 In
10 -ACKNLG 28 Out
11 BUSY 29 Out
12 PE 28 Out
13 SLCT 28 Out
14 -AFXT 30 In
31 -INIT 30 In
32 -ERROR 29 Out
36 -SLIN 30 In
18 Logic H - Out
35 +5V - Out
Product Descriptions
Functional description
The strobe pulse. Read-in of data is
performed at the falling edge of this pulse.
The DATA0 through DATA7 signals
represent data bits 0 to 7, respectively.
Each signal is at high level when data is
logical 1 and low level when data is logical
0.
This signal is a negative pulse indicating
that the printer can again accept data.
A high signal indicates that the printer
cannot receive data.
A high signal indicates paper-out error.
Always at high level when the printer is
powered on.
Not used.
The falling edge of a negative pulse or a
low signal on this line causes the printer to
initialize. Minimum 50 us pulse is
necessary.
A low signal indicates printer error
condition.
Not used.
Pulled up to +5 V via 3.9 K ohm resistor.
Pulled up to +5 V via 3.3 K ohm resistor.
Table 1-8. Connector Pin Assignment and Signals
Return
Pin Signal
GND
No. Name
pin
17 Chassis -
GND
16, 33 GND -
19-30
15, 34 NC -
NOTE: In/Out refers to the direction of signal flow seen from the printer side.
Interface
In/Out Functional description
- Chassis GND.
- Signal GND.
- Not connected.
Revision A
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