FX-1180/FX-880 Service Manual
Appendix
Rev. B
7-3
Table 7-3. Connector Pin Assignment - CN2
Pin No.
I/O
Signal Name
Function
1 - 6
+5
+5 V
7
O
TXD
Transmit data
8
O
/READY
Ready to receive data
9
I
RXD
Receive data
10
NC
Not connected.
11
O
/RST
Reset
12
O
INH
Inhibit
13
I
/CMREQ
Command request
14
I
/WRRDY
Write ready
15
I
/RDRDY
Read request
16
O
/WR
Write
17
O
/RD
Read
18
O
/CS
chip select
19 - 24
GND
Ground
25
O
A3
Address bus bit 3
26
O
A2
Address bus bit 2
27
O
A1
Address bus bit 1
28
O
A0
Address bus bit 0
29
I/O
D7
Data bus bit 7
30
I/O
D6
Data bus bit 6
31
I/O
D5
Data bus bit 5
32
I/O
D4
Data bus bit 4
33
I/O
D3
Data bus bit 3
34
I/O
D2
Data bus bit 2
35
I/O
D1
Data bus bit 1
36
I/O
D0
Data bus bit 0
Table 7-4. Connector Pin Assignment - CN3
Pin No.
I/O
Signal Name
Function
1
O
PSC
2
I
PWDN
3 - 4
+5V
+5V
5 - 6
GND
Ground
7
+35V
+35V
8
+35V
+35V
9 - 10
GP
Ground
Table 7-5. Connector Pin Assignment - CN4
Pin No.
I/O
Signal Name
Function
1
I
HP
HP Detector signal
2
GND
Ground
Summary of Contents for FX 890 - B/W Dot-matrix Printer
Page 1: ...6 59 0 18 3LQ PSDFW RW 3ULQWHU EPSON FX 1180 880 4008484 ...
Page 9: ...PRODUCT SPECIFICATION 3 7 5 ...
Page 23: ...OPERATING PRICIPLES 3 7 5 ...
Page 30: ...TROUBLESHOOTING 3 7 5 ...
Page 49: ...DISASSEMBLY AND ASSEMBLY C H A P T E R ...
Page 72: ...ADJUSTMENT 3 7 5 ...
Page 80: ...MAINTENANCE 3 7 5 ...
Page 85: ...APPENDIX 3 7 5 ...
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