HP Compaq Presario,Presario X1001 Maintenance And Service Manual page 167

Pin Signal
1 Strobe
2 Data Bit 0
3 Data Bit 1
4 Data Bit 2
5 Data Bit 3
6 Data Bit 4
7 Data Bit 5
8 Data Bit 6
9 Data Bit 7
10 Acknowledge
11 Busy
12 Paper End
13 Select
Maintenance and Service Guide
Table A-8
Parallel
Pin Signal
14 Auto Linefeed
15 Error
16 Initialize Printer
17 Select In
18 Ground
19 Ground
20 Ground
21 Ground
22 Ground
23 Ground
24 Ground
25 Ground
Connector Pin Assignments
A–5