SATO Troubleshooting: Disable Sub-Port
An improperly configured sub-port can cause communication complications with SATO GY-412 printers that prevent fluid label printing. For example:
![](https://minisoft.com/support/wp-content/uploads/2021/06/EmptyProt1.png)
In this instance, there’s an active sub-port with a USB connection, but there’s an empty protocol. To disable a sub-port, use the following instructions.
First, make sure the printer is offline. Press Line.
![](https://minisoft.com/support/wp-content/uploads/2021/06/SubPort2.png)
Next, Press Enter.
![](https://minisoft.com/support/wp-content/uploads/2021/06/SubPort3.png)
Press the right arrow twice.
![](https://minisoft.com/support/wp-content/uploads/2021/06/SubPort4.png)
Press Enter.
![](https://minisoft.com/support/wp-content/uploads/2021/06/SubPort5.png)
Press the left arrow to select [YES].
![](https://minisoft.com/support/wp-content/uploads/2021/06/SubPort6.png)
Ensure [DISABLE] is selected on the SUB-PORT CONTROL page.
![](https://minisoft.com/support/wp-content/uploads/2021/06/SubPort7.png)
Press Enter a number of times to return to the menu.
![](https://minisoft.com/support/wp-content/uploads/2021/06/SubPort8.png)
Press the left arrow twice to online mode.
![](https://minisoft.com/support/wp-content/uploads/2021/06/SubPort9.png)
The sub-port has successfully been disabled.
![](https://minisoft.com/support/wp-content/uploads/2021/06/SubPort10.png)
SATO GY-412 Resources
Using a Sato GY412 as a wireless printer
SATO GY412 Recommended Settings