Get Help FAQ
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My OctoPrint update fails with "ImportError: cannot import name NullHandler"
Earlier versions of the third party plugin PrintTimeGenius pulled in an unneeded third party logging module that is incompatible to Python's standard library. Its presence causes this issue. PrintTimeGenius has since bee… |
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2 | 15936 | October 27, 2021 |
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What is a Systeminfo Bundle and how can I obtain one?
Since OctoPrint 1.6.0, you can download a Systeminfo Bundle from the System Information dialog that you'll be asked to provide for support requests and bug reports. :exclamation: Always provide a Systeminfo Bundle wh… |
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8 | 16043 | May 19, 2022 |
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Multiple printers per server megathread
Pis are cheap, human time is expensive (especially when multiplied by the number of people reading a message), and there are plenty of reasons that multiple instances of OctoPrint on one Pi is problematic. Because of th… |
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144 | 67500 | October 27, 2023 |
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Printers known to have backpowering issues
Printers that show backpowering issues try to draw their 5v power from devices connected via USB. In the case of a connected Raspberry Pi, that can cause undervoltage issues and thus negatively affect stability and perfo… |
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28 | 53825 | November 27, 2024 |
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Printers known to ship with broken or unsafe firmware, or broken electronics
A list of printers with known-to-be-problematic stock firmware or electrical issues, based on years of user reports and fielding support requests. Please note: This list is not exhaustive. Just because your printer isn'… |
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3 | 21141 | March 28, 2023 |
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I want to access my OctoPrint installation from the internet, how do I do that?
First of all: Don't even think about doing that without enabling Access Control! I can't stress enough how important it is to secure your printer when you want to make it accessible from the internet (or any public/untru… |
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1 | 48014 | September 10, 2019 |
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Pi Undervoltage/power issues: I had a strange lightning bolt/temperature symbol with an exclamation mark popup in my navbar, what does that mean?
Starting with OctoPrint 1.3.10, the bundled "Pi Support Plugin" (only active when running on a Raspbery Pi) will regularly check if your Pi has detected any underlying issues via vcgencmd get_throttled. This command can… |
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161 | 788124 | June 25, 2024 |
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How to paste and format configuration files or logs, aka "escaping code"
When leaving logs or configuration files, please format them properly. Things like # a comment will appear poorly if you don't: a comment Additionally, it's just a lot harder to read poorly-formatted blobs of text. To … |
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3 | 4502 | November 12, 2018 |
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Where can I find OctoPrint's and OctoPi's log files?
:point_right::point_right::point_right: Going forward, please ALWAYS share a full system info bundle :point_left::point_left::point_left: You can find out here how to obtain that: To help with problem analysis, i… |
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1 | 171766 | November 12, 2018 |
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How can I find out the version of OctoPrint or OctoPi I am running?
To help with problem analysis, it's important to share what software versions you are even running. This FAQ entry is going to tell you how to find out the current version of OctoPrint and the OctoPi OS image. OctoPrint … |
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1 | 15881 | November 12, 2018 |
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Do you need a log file to help me with my problem?
Yes. Always provide as much information as you can if you are asking for help/reporting a problem. That includes what version of OctoPrint (and OctoPi) you are running on what kind of hardware against what printer model… |
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1 | 4096 | September 15, 2018 |
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About the FAQ category
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0 | 4020 | March 9, 2018 |
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Printers known to work/not work
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5 | 82149 | February 23, 2025 |
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OctoPrint tells me my Python environment is outdated and will soon no longer be supported, how do I upgrade?
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4 | 1816 | February 5, 2025 |
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USB webcams known to work with mjpg-streamer
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20 | 243467 | December 31, 2024 |
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OctoPrint shows me a warning about serial.log being enabled
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4 | 20949 | December 29, 2024 |
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I cannot successfully print on my printer running a firmware identifying itself only as "CBD make it" or "ZWLF make it"
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3 | 19292 | December 15, 2024 |
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How do I improve my plugin's security by enabling autoescape?
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1 | 435 | November 5, 2024 |
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OctoPrint's File Check tells me there's a leaked API key in my files
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8 | 3132 | June 10, 2024 |
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What hardware and OS does OctoPrint officially support?
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7 | 28975 | April 18, 2024 |
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Put tape on the 5V pin - Why and how
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67 | 263689 | March 19, 2024 |
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WiFi setup and troubleshooting
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39 | 595202 | March 16, 2024 |
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OctoPrint tells me I have an update available but I can't apply it
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0 | 5402 | November 24, 2017 |
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Why is there no access control for the webcam in OctoPrint? Why is my webcam always on?
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0 | 99876 | November 24, 2017 |
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Common firmware errors and their solutions
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1 | 8210 | January 31, 2024 |
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I forgot my OctoPrint password, how can I reset it?
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16 | 637201 | March 16, 2023 |
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OctoPrint claims to not have a connection to the internet, but it does!
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16 | 81855 | November 26, 2023 |
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My Lulzbot Workhorse locks up when OctoPrint connects to it
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1 | 1470 | September 13, 2023 |
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How to reinstall OctoPrint
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3 | 16039 | June 27, 2023 |
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OctoPrint keeps running into communication errors and timeouts
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6 | 54077 | April 2, 2023 |