Compaq AP500 Maintenance And Service Manual page 162

8-4 External Connectors
13 12 11 10 9 8
25 24 23 22 21 20
Connector and Icon
7 6 5 4 3 2 1
19 18 17 16 15 14
Table 8-4
Parallel Interface
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18-25
Signal
Strobe
Data Bit 0
Data Bit 1
Data Bit 2
Data Bit 3
Data Bit 4
Data Bit 5
Data Bit 6
Data Bit 7
Acknowledge
Busy
Paper end
Select
Auto linefeed
Error
Initialize printer
Select IN
Signal ground