What happened?
The Original Prusa MK4S, MK4, MK3.9, and MK3.5 can manage several tasks simultaneously: this is called multithreading. In case of an issue related to multithreading, the printer will show the message: "Marlin client could not send message to Marlin server and timeout was reached."
Error name: Marlin Request Timeout
Error code: #26530 (MK4S) #13530 (MK4) #21530 (MK3.9) #23530 (MK3.5)
How to fix it?
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, and we will take it from here.
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AnnaBrabec
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The Marlin Requested Time out warning came up 6 hours and 32 minutes into a 10 hour project. The QR code said to restart the printer. One click of the rotary knob automatically restarted the printer and it appears the project that is 3/4 done, is not able to be continued. Any ideas or suggestions? or is this a lost cause?