Epson FX Series Product Support page 32

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.