82
Appendix
Figure
14
Timing
Diagram
Table
13
GPIO
Pin
Assignment
(D
‐
sub
9
‐
pin
Connector)
Pin
Signal
Description
1
HIGH
(3.3 V)
2
ADC
5
3
job
ready
(output)
(GPIO
A25)
4
External
device
ready
(input)
(GPIO
D04)
5
Printer
error
(output)
(GPIO
D08)
6
LOW
(0 V)
7
NC
8
NC
9
NC
Hillsboro, OR 97124
Toll Free: 1-800-944-4573
Local: 503-640-5920