Epson MX-80 Technical Manual page 21

(6) Connectors CN6
(a) Use Two CN6 connectors (one with male contacts and the
other with female contacts) are used to supply control
signals between the M-3210 printer mechanism and the
driver circuit board of the MX-80.
(b) Number of pins 28 pins
(c) Pin assignment Refer to Table 2.6 below.
Table 2.6 Pin Assignment of CN6
Connector
Pin No.
Signal Name
Description of Signal
Direction
1
HI
Head Driving Signal
In
2 H2
Head Driving Signal
In
3 H3
Head Driving Signal
In
4
H4
Head Driving Signal
In
5 H5
Head Driving Signal
In
6 H6
Head Driving Signal
In
7 H7
Head Driving Signal
In
8 H8
Head Driving Signal
In
9
H9
Head Driving Signal
In
10 SOL
Solenoid common line -F24V
In
1 1
SOL
Solenoid common line +24V
In
12 V-l-5
-F5V In
13
SCR
Carnage Stepper Motor Current Liimitmg
Signal
In
14
SLF
Paper Feed Stepper Motor Current Limiting
Signal
In
15
GLED Ground level
-
16
GPE Ground level
17 GR Ground level
-
18 PE
Paper End Signal from Printer Mechanism
Out
19
rfs
Timing Signal from Printer Mechanism
Out
20
Reset Signal from Printer Mechanism ^
Out
21
CRA
Carnage Drive Signal
In
22
CRB
Carnage Drive Signal
In
23 CRC
Carnage Dnve Signal
In
24
CRD
Carriage Drive Signal
In
25 LFA
Paper Feed Drive Signal
In
26 LFB
Paper Feed Drive Signal
In
27 LFC
Paper Feed Drive Signal
In
28 LFD
Paper Feed Drive Signal
In
NOTE: "Direction" refers to the direction of signal flow as viewed from the Printer fvlechanism.
REV. A
2-8