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EPSON Stylus Color 900
Revision C
Product Description
Interface
25
*: In and Out refers to the direction of the signal as viewed from the printer.
Table 1-12. Parallel I/F Forward Channel
Pin No.
Signal Name
Return
GND Pin
In/Out
Functional Description
1
/STROBE
19
I
The strobe pulse. Read-in of data is performed at the falling edge of this pulse.
2
DATA0
20
I
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.
3
DATA1
21
4
DATA2
22
5
DATA3
23
6
DATA4
24
7
DATA5
25
8
DATA6
26
9
DATA7
27
10
/ACKNLG
28
O
This signal is a negative pulse indicating that the printer can again accept data.
11
BUSY
29
O
A high signal indicates that the printer cannot receive data.
12
PE
28
O
A high signal indicates paper-out error.
13
SLCT
28
O
Always at high level when the printer is powered on.
14
/AFXT
30
I
Not used.
31
/INIT
30
I
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.
32
/ERROR
29
O
A low signal indicates printer error condition.
36
/SLIN
30
I
Not used.
18
Logic H
----
O
Pulled up to +5V via 3.9K ohm resistor.
35
+5V
----
O
Pulled up to +5V via 3.9K ohm resistor.
17
Chassis GND
----
---
Chassis GND.
16,33,
19-30
GND
----
---
Signal GND.
15,34
NC
----
---
Not connected.
Summary of Contents for Stylus Color 900
Page 1: ...EPSONStylusColor900 RevisionC Color ink jet printer SEIJ98006 ...
Page 8: ...Component Layout 180 Parts List 184 Exploded Diagrams 187 Circuit Diagrams 195 ...
Page 9: ... PRODUCTDESCRIPTION ...
Page 43: ... OPERATINGPRINCIPLES ...
Page 78: ... TROUBLESHOOTING ...
Page 101: ... DISASSEMBLYANDASSEMBLY ...
Page 130: ... ADJUSTMENT ...
Page 161: ... MAINTENANCE ...
Page 171: ... APPENDIX ...
Page 183: ...EPSON Stylus Color 900 Revision c Appendix Component Layout 183 Figure 7 6 C265 PNL Board ...
Page 194: ...06 03 01 02 for S E ASIA 03 03 05 03 04 EPSON STYLUS COLOR 900 No 7 10056 Rev 01 ...
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