Friday, February 12, 2021

How to fix MakerBot Error 81 due to false-positive filament jam

I recently got an old MakerBot 3d printer on craigslist. I could not get the print to work. It would print a tiny amount and then give me Error 81 - filament jam. Here's a note on how I fixed it. I just want to document it somewhere so others can find it. Not sure if there's a good MakerBot forum, so just leaving this here.

The printer model is MakerBot Replicator Mini - it's more than 5 years old I think. the print cartridge is a "Smart Extruder", not a "Smart Extruder +" which fixes this issue I had. This issue is discussed here: https://ift.tt/379XzV0

This Error 81 in my case was caused by the "encoder wheel" getting stuck, which triggered a false error. This is discussed in the MakerBot support page, but the page doesn't tell you the right way to fix it (at least not for me): https://ift.tt/37bQCCP

See next comment on how to fix it (i hit a character max)


Comments URL: https://news.ycombinator.com/item?id=26120069

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