EPSON
PRINTERS
Connector
CN4-
MX-80/100
Use:
Two
CN4
connectors
(one
with
male
contacts
and
the
other
with
female contacts)
are
used
to
supply control signals between
the
control
circuit
board
and
driver
circuit
board.
TABLE
2-24.
PIN
ASSIGNMENT
OF
CN4
Conn«cto«
Pin
No.
Signal Name
Description
ol Signal
Direction
1
GP
Ground
Laval
-
2
GP
Ground
Laval
-
3
-
-
-
4
-
- -
5
GP
Ground
Laval
-
6
GP
Ground
Laval
-
7
HB
Head
Solenoid
Onva
Signai
Out
B
H7
Head
Solenoid
Drive
Signal
Oul
9
H6
Head
Solenoid
Drive
Signal
Oul
10
H5
Head
Solenoid
Drive
Signal
Oul
II
H4
Head
Solenoid
Drive Signal
Out
13
H3
Head
Solenoid
Drive Signal
Out
13
H2
Heed
Solenoid
Drive Signal
Out
14
HI
Head
Solenoid
Drive
Signal
Oul
15
H9
Head Solenoid Driv,eSignal
Out
16
(5SS0)
-
in
17
TT
nesei
In
18
Pf
Paper
End
In
19
CRB
Pnase 8 tor Carnage Stepoer Motor Drive
Oul
20
(132
Columns)
-
Oul
21
(FPI
-
Out
22
CRA
Pnase
a lor
Cainage
Steooer
Motor Onve
Out
NOTE "Otrsctign"
isiers
to mo
diteciion
ol
signal
How as
viewM
itom
tne co«tio> ciicu<t
boaia
2-15
WIRING
DATA
Connector
CN5
-
MX-80/100
Use:
Two
CN5
connectors
(one
with
male
contacts
and
the
other
with
female contacts) are used to supply control signals between
the
control
circuit
board
and
the
driver
circuit
board
of
the
MX.
TABLE
2-25.
PIN
ASSIGNMENT
OF
CN5
Connector
Pin
No
Signal
Name
Description
ol Signal
Direction
I
CRD
Phase
0 lor
Carriage
Sieoper
Motor Drive
In
2
LFB
Phase
8 lor Paper Feed Stepper Motor Drive
In
3
SCP
Line
Feed
Activate
In
4
CHC
Phase
C lor Carriage Sieppar Motor Drive
In
5 (BO
columns)
-
Out
6
LFC
Pnase
C lor
Paper
Feed
Stepper
Motor Drive
in
7
Head
Trigger
Timer
Tnggartng
Signal In
8
LFA
Phase
A lor
Paper
Feed
Stepper
Motor Drive
in
9
ffS
Home
Position
Signal
Out
10
LFD
Phase
D lot
Paoer
Feed
Stepper
Motor
Drive
in
11
PT5
Clock
Input
Out
12
GL
Ground
-
13
GL
Ground
-
14
+
24
+24V
DC
in
IS
+
24
+
24V
DC
In
16
+
24
+
24V
DC
tn
17
+
24
+
24V
DC
In
18
+ 5 +
5V0C
in
19
- -
-
20
- -
-
21
Vi
Power
Failure
Detection
Signal
in
22
+
14
+
14V
DC
in
NOTE
"Oiieciion"
laleis
lo ino
direction
ol
signal
"ow
as
viawM
liofn tna
dnvai
circuit
board.