REV.-A
Table A-8.
(BOARD ASSEMBLY,
—
2
3
5
7
3
3
10
11
12
13
14
—
o
o
C246
o
o
o
o
I
o
C789
o
I
o
o
o
o
o
Function
Head Data 2
Head Drive Common
Head Data 6
Head Data 8
Head Data 4
Head Data 9
Head Temperature
Head Drive Common
Head Temperature
Head Data 1
Head Data 3
Head Data 5
Head Data 7
Head Drive Common
Table A-9.
(BOARD ASSEMBLY,
MAIN)
No.
Signal Name
Function
1
-
Signal Ground
2
I
PER
Paper End, REAR
3
LED
Paper End, LED
Table
A-10.
(BOARD ASSEMBLY,
MAIN)
No
2
3
4
6
7
8
9
10
o
0
0
0
I
I
I
Signal Name
READY
STAT
FONT
COND
PAUSE
FONT
PFEED
OPERA
Function
+5
READY LED
STAT LED (Not equipped
FONT LED
CONDENSED LED
PAUSE
FONT
PAPER FEED BUTTON
OPERATE
Signal Ground
Table A-n.
(BOARD ASSEMBLY,
No.
Signal Name
Function
1
0
CR A
CR Motor Phase A
2
0
CR
CR Motor Phase
3
0
CR B
CR Motor Phase B
4
0
CR
CR Motor Phase
5
0
CRCOM
CR Motor Common
Table A-12.
(BOARD ASSEMBLY,
MAIN)
No.
Signal Name
Function
1
-
+5
+5
2
-
+5
+5
3
-
Signal Ground
4
-
Signal Ground
5
-
Signal Ground
6
-
GP
Power Ground
7
-
GP
Power Ground
8
-
GP
Power Ground
9
-
+35
+35
10
-
+35
+35
11
-
Psc
Power Switch Signal
f.’..:
A-4
Summary of Contents for FX 1170 - B/W Dot-matrix Printer
Page 1: ...EPSON EPSON TERMINAL PRINTER FX 870 1170 SERVICE MANUAL 4001461 REV A ...
Page 5: ... f REVISION SHEET REVISON DATE ISSUED CHANGE DOCUMENT A June 15 1992 1st issue 7 v ...
Page 11: ...REV A 4 80 column model 136 column model Figure 1 1 External View of the FX 870 1170 r 1 2 ...
Page 128: ...REV A Figure 6 1 Lubrication Points 6 3 ...
Page 135: ......
Page 136: ......
Page 137: ......
Page 138: ...EPSON ...
