PNG Buffer Full #26508 (MK4S) #13508 (MK4) #21508 (MK3.9) #23508 (MK3.5)

Relevant for:

MK4 MK3.9 MK3.5 MK4S

Last updated 3 months ago

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What happened?

The Original Prusa MK4/MK3.9/MK3.5 electronic boards have memory, including a dedicated dynamic memory for processing the PNG files, to show an image preview of a model on the printer display. In rare cases, this memory can be fully consumed, with the printer unable to perform any further action: when this happens, the printer will show the message: "The PNG buffer dynamic allocation failed - out of memory."

Error name: PNG Buffer Full

Error code: #26508 (MK4S) #13508 (MK4) #21508 (MK3.9) #23508 (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, we will take it from here.

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