Parallel Port Connector; 50-Pin Narrow Scsi Port Connector - HP Officejet LH 6000 Service Manual

Chapter 2

Parallel Port Connector

Parallel Port Connector Pinouts
Pin Number
1
2
3
4
5
6
7
8
9
a. All data bits are sent to a printer in an 8-bit parallel format.
b. The signal is active low.

50-Pin Narrow SCSI Port Connector

50-Pin Narrow SCSI Port Connector Pinouts
Pin Number
1-11
12
13
1
2
3
4
5
6
7
8
9
10
11
12
13
Parallel Connector Pinouts
Signal Description
Strobe5
Data bit 06
Data bit 1 a
Data bit 2 a
Data bit 3 a
Data bit 4 a
Data bit 5 a
Data bit 6 a
Data bit 7 a
Position 25
Position 50
SCSI Port Connector Pinouts
Signal Description
Ground
Reserved
Open
14
15
16
17
18
19
20
21
22
23
24
25
Pin Number
Acknowledge b
10
11 Busy
12 Paper end
13 Select
Auto line feed b
14
15 Error1
Initialize printer b
16
Select in b
17
18-25 Signal ground
Position 1
Position 26
Pin Number
37
38
39
System Information
Signal Description
Signal Description
Reserved
Termpwr
Reserved
19