Relevant for
On your Prusa Printer, the I2C bus is used for the xBuddy and Buddy boards to communicate with other printer components. The components have different states, including a busy state: if this particular state occurs while data is being sent from the xBuddy board, the printer will show the message: "HAL detected an I2C busy when sending data via I2C."
Error name: I2C Send busy
Error code: #31312 (CORE One) #35312 (CORE One L) #26312 (MK4S) #13312 (MK4) #27312 (MK3.9S) #21312 (MK3.9) #28312 (MK3.5S) #23312 (MK3.5) #12312 (MINI/+)
Restarting the printer is expected to resolve the error, and this is not expected to occur again. In case a restart does not resolve it, please contact our customer support, we will take it from here.