Can you provide more information about the specific machine code and software being used in the setup that is causing this error? What type of feeding operation is being performed in the front waiting area, and what is the expected behavior during this process? It may also be helpful to know what other error codes or indications are present in
The solution to the error M87 is to check the board to see if it is stuck between the upstream and downstream of the machine. This usually occurs when a machine is stopped, and the conveyor belt stops, causing the downstream