7
Print head connector
Motor connector
8
9
Wi-Fi/Bluetooth module connector
RFID Module connector
10
11
Panel/Key board connector
Pin
Description
1
3.3V
2
Black mark sensor emitter
3
Black mark sensor receiver
4
3.3V
Pin
Description
1
A+
2
A-
3
B-
4
B+
Pin
Description
1
Enable
2
Reset
3
UART-RXD
4
UART-TXD
5
GND
6
12V
CON13
CON14
CON4
CON12
CON3
7
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