HP rp5800 - POST Numeric Codes and Text Messages

Ethernet RJ-45
Connector and Icon Pin Signal
1
2
3
4
(+) Transmit Data
(-) Transmit Data
(+) Receive Data
Unused
5
6
7
8
Unused
(-) Receive Data
Unused
Unused
Parallel Interface
Connector and Icon
Pin Signal Pin Signal
1
2
3
4
Strobe
Data Bit 0
Data Bit 1
Data Bit 2
10
11
12
13
Acknowledge
Busy
Paper End
Select
5
6
7
8
Data Bit 3
Data Bit 4
Data Bit 5
Data Bit 6
14
15
16
17
Auto Linefeed
Error
Initialize Printer
Select IN
9 Data Bit 7 18–25 Signal Ground
Ethernet RJ-45 109