USB Device Overcurrent #26307 (MK4S) #13307 (MK4) #21307 (MK3.9) #23307 (MK3.5)

Relevant for:

MK4 MK3.9 MK3.5 MK4S

Last updated 4 months ago

This article is also available in following languages:

What happened?

The Original Prusa MK4/MK3.9/MK3.5 is showing the message: "Overcurrent detected on connected USB device, disconnect it."

Error name: USB Device Overcurrent

Error code: #26307 (MK4S) #13307 (MK4) #21307 (MK3.9) #23307 (MK3.5)

The error is shown when there is an issue with the USB drive connected to the printer. In case you are using a USB-to-USB cable to connect the USB drive, the cable might also be causing the issue.

How to fix it?

Replace the USB drive to use on the printer. Ensure that the replacement USB drive is formatted to FAT32 before operating it on the printer for the first time.

Was this article helpful?

Easy to understand

Solved my problem

Other reason

Comments

Still have questions?

If you have a question about something that isn't covered here, check out our additional resources.
And if that doesn't do the trick, you can send an inquiry to [email protected] or through the button below.