Service manual

Chapter 3 Connector Pinouts
18
Parallel Port Connector
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Parallel Connector
Parallel Port Connector (female) Pinouts
Pin Number Signal Description Pin Number Signal Description
1 Strobe5 10
Acknowledge
b
2 Data bit 06 11 Busy
3
Data bit 1
a 12 Paper end
4
Data bit 2
a 13 Select
5
Data bit 3
a 14
Auto line feed
b
6
Data bit 4
a 15 Error1
7
Data bit 5
a 16
Initialize printer
b
8
Data bit 6
a 17
Select in
b
9
Data bit 7
a 18-25 Signal ground
a. All data bits are sent to a printer in an 8-bit parallel format.
b. The signal is active low.