Octoprint ttyacm0 But I'm encountering a connectivity issue with the printer. Nov 25, 2019 · What is the problem? Trying to connect Raspberry Pi 3 to Anet A8 printer via UART serial connection. I am using this docker image. , then octoprint serve. However, I would like to install my own third-party CA signed SSL certificate with my own domain name. " What did you… Aug 5, 2022 · Recv: echo: 4. the usb show the printer id if i use the command on the terminal. When… Nov 27, 2018 · My printer is coming through on /dev/ttyACM0 and the camera is /dev/video0 as such i added these to the docker-compose. One webcam is located under /dev/video0 and the other one under /dev/video2. /dev/tty* device files have sudo group, and the easiest fix is to add octoprint to sudo group. if i put the devices, i receive a error: ValueError: 'error' required in context i dont know why. Try to stop octoprint (Ctrl+C), check that nothing kept running via "ps -aux", and then start OctoPrint again EDIT: Aaaaalso, does this "rubbing ubuntu on my old LG V20" mean that your kernel actually creates a /dev/ttyACM0 device by its own? Mar 18, 2020 · Hello What is the problem? I have a problem with connecting my printer to octoprint. 1 with white PLA (have not investigated issues so could be dirty Mar 18, 2020 · Hello What is the problem? I have a problem with connecting my printer to octoprint. # Hello everyone. OctoPrint is fine with it: 2021-11-24 18:22:26,704 - octoprint. I need to restart the Printer. 2: USB disconnect, device number 4 [ 2069. 7. OctoPi) isn't even seeing your printer's serial port. I ran dmesg and looked for the USB ttyACM0 that the FAW says… Nov 30, 2019 · What is the problem? About a month ago I had a print going that messed up, blob on the print head and during removal, I broke the thermistor wire (it was heated an on to try and melt but I did not wait long enough. 273195] cdc_acm 1-1. I didn't print anything yesterday, but I tried to use the command M300 to play some tone. Remove the auto login configuration and the server should be accessible again. 0 When I try to connect/ everything times out: Here is the output from Terminal. Formatted SD and flashed OctoPi with correct settings, plugged in Pi, connected to the UI just fine. It was Nov 27, 2018 · My printer is coming through on /dev/ttyACM0 and the camera is /dev/video0 as such i added these to the docker-compose. Octoprint works perfectly by itself. `MJ… Mar 19, 2021 · It looks like you tried to configure auto login local but entered an invalid configuration. Oh and if you see an "Undervoltage error" you can Nov 19, 2018 · What is the problem? I'm having trouble setting up a webcam with a docker install of Octoprint. 1, I am no longer able to connect to my Prusa MK3S. Serial port used to be /DEV/ttyACM0. Jun 15, 2020 · I was referring to the steps after sudo raspi-config. As stated I didn't know how to upload the file. I got /dev/ttyACM0. What happened instead? I get SerialExcep Mar 18, 2020 · Hello What is the problem? I have a problem with connecting my printer to octoprint. First of all, under /var/lib/lxc/<ct id>/ create the folder devices, go in and then execute this: mknod -m 666 ttyACM0 c 166 0 In my case, ttyACM0 is my USB device (my Ender 3 printer). The next version of OctoPrint is hardened against this, since you are the 2nd person we have seen with this issue. Worked fins for past several years, but had to reinstall OctoPrint from scratch since I couldn't figure out how to upgrade Python the latest version. 2) under docker on an RPI 4b. I was forced to upgrade when my old SD card with the image crashed and I rebuilt the OctoPi/Octoprint sw. Here's the terminal's output: Note: Serial ID has been redacted. And it will say that it is offline. There were no commanded changes (ex. You can subscribe to be notified of releases as well, by selecting the Watch button in the upper right corner Man, im having a LOT of trouble on this. 1 for a few days with no issues using OctoPrint. I followed the instructions, but I am unable to get the webcam working. I have previously had it working when using the octopi image on a RPI 2b. 3. 8, and update Octolapse to v0. On my host machine, I have a symbolic link of /dev/bus/usb/00x/00x -> /dev/ttyACM0 I also created a Docker user and a Docker group which I made owner of /dev/bus/usb/00x/00x. I can connect via SSH but dont really know what I am looking for. In VM i have a lot of trouble to pass thru the USB because i need to restart the VM and Feb 10, 2025 · #OctoPrint #3DPrinting #DockerFull steps can be found at https://i12bretro. yml, contains the following under the devices: heading: Jan 20, 2020 · The Serial Port is /dev/ttyACM0 when I have my printer plugged in via USB to my raspberry pi and it will automatically detect the baud rate at 115200. I was hoping someone could point me in the right direction (or even better update the offical docker repository to include webcam setup/) of the correct modifications to the Feb 5, 2019 · I am running octoprint 1. But, as of a few days ago, it won't connect at all. Dec 4, 2020 · 2020-12-04 17:35:10,041 - octoprint. 227893] usb 1-1. Jul 7, 2020 · Looks like 1. Serial logs Oct 8, 2023 · What is the problem? My new Pi Zero 2W doesn't see the BTT SKR Mini E3 v2 in my Ender 5. dmesg displays: [ 2065. If I upgrade, or replace it with the latest OctoPi, I can no longer connect to the printer. When I press connect, it starts up the fans etc on the printer,… Feb 17, 2020 · I am trying to get Octoprint to work in a container. yml: version: '2. 0 Marlin Bugfix2. Here is a Serial log. 2: new full-speed USB device number 5 using dwc_otg [ 2069. In VM i have a lot of trouble to pass thru the USB because i need to restart the VM and Aug 5, 2020 · After updating to OctoPrint 1. 2-2528 As for this, you are running TZB firmware, yes? If it is so, you should mention this in your post. B Oct 9, 2022 · What is the problem? I connected via micro SD Your printer's firmware reported an error. Jan 25, 2024 · What is the problem? Most of the time, after disconnecting from my printer, the connection process freezes on reconnect. What did you already try to solve i… Nov 27, 2021 · If I install the octoprint plugin in cura, I can connect to octoprint, but apparently cura and octoprint are still fighting over control of /dev/ttyACM0. You can try disabling or removing the /dev/ttyS0 port, since it looks like you are using /dev/ttyACM0. js, you’ll be able to pick an available serial port and click connect. Apr 20, 2025 · The problem Apparently packaging as bundled with python 3. May have to make another run at it later. The only thing I have done over the last few weeks is update Octoprint to 1. 5: new full-speed USB Aug 12, 2021 · So far i integrated the octoprint/octoprint:minimal image and an initContainer which basically installs octoprint, because the volume path /octoprint is the same path where octoprint has been installed into during the creation of the image. 10 on pi 3b. Last night OctoPrint refused to connect. 0: ttyACM0: USB ACM device [ 660. Example Aug 30, 2024 · Camera model imx219 What is the problem? I can't get the webcam to work when running Octoprint (OctoPrint 1. I discovered I could no longer connect to the printer. Dec 15, 2021 · What is the problem? Just got Octoprint today and was so excited to NOT be kept awake by my printer all night since my PC is in my room. 9). yml version: '2. After that it should not be a problem to run multiple printers simultaiously from one machine! When I use this command (ls -l /dev/ttyACM0), I get this result: crw-rw-rw- 1 root dialout 166, 0 Oct 12 22:55 /dev/ttyACM0 So ttyACM0 should be in the dialout group which I have permission for and it appears to have read/write access. I made multiple attempts to connect, using both auto-detect and explicit selection of /dev/ttyACM0 and a few different baud rates. but I cannot configure my usb port on my host machine and in my container, so that communication is done correctly. When my printer is power ON, I can see in raspberry terminal with dmesg that the printer is using the serial port /dev/ttyACM0. Was working on older version of OctoPrint What did you already try to solve it? SSH'd into Pi and added enable_uart=1 and dtoverlay=pi3-disable-bt and dtoverlay=pi3-miniuart-bt. 4' services: octoprint: image: octoprint Jun 8, 2022 · What is the problem? After running for 2+ years Octoprint won't connect to a Prusa MK3S. Oct 25, 2019 · What is the problem? I am unable yo get my Octopi/Octoprint to successfully connect to my MK3 (I also have one setup with my MK2 and that works) What did you already try to solve it? Tried safe mode Tried new USB cab… Oct 25, 2019 · What is the problem? I am unable yo get my Octopi/Octoprint to successfully connect to my MK3 (I also have one setup with my MK2 and that works) What did you already try to solve it? Tried safe mode Tried new USB cab… Mar 8, 2020 · Looks like 1. The atwoz link above (foregoing virtualenv) looks like the best approach, in Jan 4, 2022 · The printer is probably drawing too much power via usb. firmwareupdater - INFO - Connecting: Switching Marlin to binary protocol Sep 16, 2021 · Some remarks / thoughts: "Connecting to port /dev/ttyACM0, baudrate 250000" have you tried lower rate? ex 115200 do note the "Recv: Cap:THERMAL_PROTECTION:0" and warning in terminal. Directly after plugging in the running printer please type ls -ltr /dev | tail ls -l /sys/bus/usb-serial/devices/ Additionally you could type before and after you plug the printer in lsusb and look what lines are new afterwards. Due to that OctoPrint will disconnect. 13. I can't start a print or control the printer. 7 KB) I followed everything, numerous times. The Pi ist Installed on Windows!!! What did you already try to solve it? Install the Feb 12, 2022 · Using SD card with Raspberry Pi OS 32 bit Pi 3 OctoPrint connects with USB Cable to Elegoo Mega 2560 R3 arduino compatible and any sketch uploads and executes just fime. printer on, printer off. Tags latest - will always follow the latest stable release edge - will always follow the latest release including prereleases. I found this post that gave me the key to solve the hot-plug USB under LXC containers. Logs Connecting to: /dev/ttyACM0 Aug 16, 2020 · Anyways — current Dockerfile adds octoprint user to dialout group, which only works if udev does. Requires the STATUS permission. g. I was forced to upgrade when my old SD card with the image cras… Jul 1, 2019 · Run Octoprint as nomal, connected to printer Allow ocotprint to restart for a plugin update (or probably install, untested) Attempt to connect to the printer again after the server restarts. I can try to move the print head via manual control and nothing will happen for several seconds, then it (sometimes) suddenly moves. 4. To get a couple of plugins to work better, I also octoprint. If you have multiple 3d printers to control, the 1-1 model of server per printer that relied on rpi needs a second thought. Ive been using octoprint for 4 years, but I don't know what your saying here. plugins. I've attached a snippet of the serial log below. Aug 21, 2021 · I installed Octoprint on Docker and it ran flawlessly until I restarted the raspberry pi and all other containers started normally except for Octorpint and I realized that it won't start unless the printer is on and webcam are connected to USB. "Could not autodetect your printer. 2 Octopi 0. 0, OctoPi versio… Nov 24, 2018 · My printer is coming through on /dev/ttyACM0 and the camera is /dev/video0 as such i added these to the docker-compose. 5: USB disconnect, device number 7 [ 664. OctoPrint sees it (ttyACM0) perfectly fine and selects it perfectly fine. Whenever I switch off the printer /dev/ttyACM0 on the NAS disappears. 0-python3 Everything works normally; I can open the octoprint screen and my 3D printer is recognized without any problems. Setting up OctoPrint on Windows - Get Help / Guides - OctoPrint Community Forum. log (93. I am running Octoprint on OctoPi 0. 2: New USB device found, idVendor=2341, idProduct=0042 Jan 9, 2025 · Looking at the terminal I could see that it was looking on /dev/ttyACM0 and /dev/ttyS0 but it wasn't looking anywhere else. Jan 19, 2024 · OctoPrint version, OctoPi version, printer, firmware, browser, operating system, as much data as possible I am using a Raspberry Pi 3B with latest Version of OctoPi Software downloaded today, and an XYZPrinting 3 in 1 Pro with original manufacturer's latest Firmware. I didn't see any usb devices in the list you had above. comm - INFO - Connecting to port /dev/ttyACM0, baudrate 250000 Dec 27, 2019 · Connection closed, closing down monitor octoprint (1). From all outward appearances, it looks like a connection has been made (Terminal says it's connected and provides updates from the printer, temperature graph updates), but the state of the connection never updates. The second number 166 must be the same that you obtain if Jun 14, 2020 · What isn't shown is the name within /dev. ERROR MESSAGE: Offline after error No more candidates to test, and no working port/baudrate combination . The printer is connected via USB to my NAS and appears as /dev/ttyACM0. github. In the terminal i can see it's trying to negotiate the baudrate but it hangs there forever if i select a bu… Aug 30, 2025 · What is the problem? octoprint cannot connect to my printer on fresh boot, consistently. If i have the printer off, and connect to OctoPrint , the connection Serial Port usually shows the above usb port. Nov 27, 2021 · I have an x86_64 system where I have installed octoprint. As stated the MCU shows up everywhere, but fails in serial connection. Apr 26, 2022 · OctoPrint Adding OctoPrint is very straightforward, since an official image is provided: octoprint/octoprint. Connection handling Contents Connection handling Get connection settings Issue a connection command Get connection settings GET /api/connection Retrieve the current connection settings, including information regarding the available baudrates and serial ports and the current connection state. I remember back in april there was a bug where you had to click connect, disconnect and connect again then it would work. I would like to skip the "connect" step: turn on the relay of the printer and it automatically connect to Jan 21, 2020 · The Serial Port is /dev/ttyACM0 when I have my printer plugged in via USB to my raspberry pi and it will automatically detect the baud rate at 115200. I had an ideia that the connection worked and i was able to move the printer axis when i first reinstall everything, but not sure anymore Btw: i did the exact same thing (re-setup pi4b) with Prusa MK3 Nov 24, 2018 · My printer is coming through on /dev/ttyACM0 and the camera is /dev/video0 as such i added these to the docker-compose. Printer fails to connect, and terminal tab shows this error: Changing monitoring state from "Offline" to I'm able to see the following in Octoprint's terminal when connecting to my docker's USB port (/ttyACM0) with a baud of 115200 (since that's what my friend's Neptune 3 uses), and it seems to give me the best results on this so far. OctoPrint – the snappy web interface for your 3D printer References OctoPrint home page OctoPrint Community Forum DockerHub octoprint/octoprint GitHub OctoPrint/octoprint-docker Device mappings When you select "OctoPrint" in the IOTstack menu, the service definition in your docker-compose. 5 KB) Additional information about your setup (OctoPrint version, OctoPi version, MakerBot Replicator 1, sailfish firmware, google chrome. Changing monitoring state from "Offline" to "Opening serial connection" Connecting to port /dev/ttyACM0, baudrate 115200 Mar 2, 2021 · What is the problem? Cant connect printer to octoprint, only AUTO shows up under serial port. 0 GA now and everything is working again. Mar 8, 2020 · Looks like 1. Disconnected, set baudrate to 250000, connect. I'm guessing the mpeg streamer is not part of the default docker install and I'm guessing I need to add this manually. The Pi boots and I am able to connect using via the web interface, but when I click on Connect (Serial Port Auto, Baud Rate Auto), I get the error: could not write to serial port. Jan 18, 2022 · What is the problem? Unable to connect to port ttyACM0. When… Mar 18, 2020 · Hello What is the problem? I have a problem with connecting my printer to octoprint. 0s, continuing without it" do you know how long the command queue is? May 31, 2023 · Here is what I have: Raspberry PI 3A+ and Shield CNC 3V. 9. What did you already try to solve it? Read Jun 18, 2015 · What were you doing? Opening Octoprint for the first time. I won't bother uploading logs at the moment. Formatted SD and flashed OctoPi with correct settings, plugged in Pi, connected t… I am currently running Octoprint on a windows device using the instructions here. When I start a print using the screen, it works just fine. What happened instead? I get SerialExcep Aug 30, 2025 · What is the problem? octoprint cannot connect to my printer on fresh boot, consistently. I Re-Flashed octoprint. 398432] usb 1-1. I tried Octopi on a pi 3B but the printer connection shows as offline although the pi seems to know something is connected to the usb as i show ttyACM0 in log but fails as it is "busy" - even though the printer is just switched on but doing nothing. I can even preview a snapshot in OctoPrint. Dec 9, 2022 · LXC USB Passthrough with hot-plug in Proxmox. When I set it to AUTO it works, but it connects to /dev/ttyACM0. 12. OctoPrint connects to /dev/ttyUSB0 typically. Mar 17, 2020 · Hello What is the problem? I have a problem with connecting my printer to octoprint. This is not a hardware issue - because if I restore the SD backup image, the printer works. Seems like the SD went bad. 16 on a RasPi 4 2GB. I tried all the baudrates including auto. Apr 22, 2020 · What is the problem? Since today, OctoPrint can't connect to the printer (MonoPrice Select Mini V2) via USB cable. 2-2528 is 14th of February. log Either way it seems like Octoprint is trying to connect to the device but doesn't get a response. So any process could theoretically write to that device. Sep 13, 2018 · Hey guys, I had used Octopi in the past (around april) without any problems and my MP Mini Delta I haven't printed in a while and kind of forgot things lol. 775665] usb 1-1. When… May 10, 2018 · Re: Octopi Connection Issue SOLVED I was on 3. Keep the OctoPrint Docker container service running even when your printer is switched off: GCODE files can still be uploaded Plugins can still be updated React gracefully and appropriately to the 3D printer being switched on and off Support camera streaming "following the printer" (this is optional). Man, im having a LOT of trouble on this. I'm trying to print something right now and I can't get the octopi to connect to mp mini delta. The problem Out of nowhere, OctoPrint no longer connects to my Prusa MK3S+, FW 3. Anyone have an idea what I need to do to get Ubuntu to open up ttyACM0 so Octoprint can access the printer Aug 8, 2021 · Now everything is ready to set up Octoprint and control both printers with one Raspberry Pi handling two Octoprint instances To reach out Octoprint for Printer #1 just type in your browser address bar the hostname/IP of the raspberry followed by the port number for printer 1, in the example 5001 I'm struggling to get the webcam working when using docker and octoprint (the same webcam works flawlessly with octopi). Being lazy yet again, I opted to run OctoPrint in privileged mode as well, but you only need to pass through the printer to the container (/dev/ttyACM0 in my case for a Prusa Mini+). Do not use ttyACM0 etc. io/tutorials/0990. In my container I added Jul 16, 2018 · What is the problem? Over the last 1-2 weeks it started taking a lot longer for Octoprint to connect to my printer. With fuser -v /dev/ttyACM0 you can see which processes have this device-file open. Docker $ cat docker-compose. 1 from 1. Did you compile it on your own? According to the terminal snippet, there is a connection, but it runs into a dead end with no response to OctoPrint Jul 28, 2022 · What is the problem? I have a prusa mk3s and a Raspberry Pi 3B+ with octoprint and a relay to turn off the printer by software. It was my first time here. However, I cannot get the stream to work. In the main interface for CNC. No working connection parameters could be found. 6 and now Octoprint is no longer connecting to the Ender 3. Connection handling Get connection settings GET /api/connection Retrieve the current connection settings, including information regarding the available baudrates and serial ports and the current connection state. Connected a Ender-3 printer via USB to the laptop. Log into your pi via ssh then disconnect your printer, connect it again, enter dmesg | tail -n 20 and post the output here. At the moment I have to manually set Serial Port to /dev/ttyACM0 and Baudrate to 115200 and click "connect", then go to prusaslicer and finally send to octoprint. But when I start a print from Octoprint, the following happens: Printer heats bed to 60 and nozzle to 150 Printer starts probing (BLTOUCH) Just before the first layer, the printer should heat to 195 (which is stated in the GCODE file), but Oct 1, 2020 · What is the problem? I can't connect the printer to octoprint State: Offline (Error: Could not write to serial port) /dev/ttyAMA0 or AUTO Additional information about your setup OctoPrint version 0. Log: OctoPrint-docker This is the primary image of octoprint/octoprint. Apr 5, 2024 · The "Connect button" on the left side changes to "Disconnect", so Octoprint thinks it's connected, but there is no actual serial communication happening. Yesterday was working fine. Aug 5, 2020 · After updating to OctoPrint 1. settings This module represents OctoPrint’s settings management. What did you already try to solve it? I unchecked Request exclusive access to the serial port. Dec 9, 2016 · I have been using OctoPrint for a while, i have a usb cable going from my raspberry pi 2 to the printers usb port. If this name doesn't match the patterns recognized by OctoPrint you can add it. But that doesnt work now. omg. Changing monitoring state from "Offline" to "Opening serial connection" Connecting to port /dev/ttyACM0, baudrate 115200 Jan 9, 2025 · Looking at the terminal I could see that it was looking on /dev/ttyACM0 and /dev/ttyS0 but it wasn't looking anywhere else. Mar 8, 2023 · What is the problem? No Serial Connection, no advanced option in Settings / Serial Connection menu What did you already try to solve it? Have not found this problem as a topic anywhere online Logs (syslog, dmesg, no logs, no support) [ 639. When… Aug 4, 2018 · What were you doing? Cloned this Github, ran pip install . 5:1. So I'm agreeing with you, in other words. Disabling the login shell (step 4) might solve the problem if it was caused by a login process accessing /dev/ACM0 concurrently with OctoPrint. 0 (all are the latest versions, and this whole setup is days old) Describe the problem Hi Ben, I figured I would start a new Mar 21, 2021 · 2021-03-22 14:43:27,173 - octoprint. When… Aug 2, 2020 · Hi all, just build a new firmware with Marlin 2. The buttons on the Control page are disabled, so the rest of Octoprint is aware that it is not connected. 6. I can't connect to my SKR 1. I was using this quite happily for many months, and then I did an apt-get-update, and now it won't stay connected. Feb 19, 2021 · Hi, I added a Pi with Octoprint to my Ender 6 running a BTT mainboard with Marlin firmware. I am connecting via USB plugged into one of the USB2 Have you tried the following from the support thread for this docker? On the template, select the printer using the /dev/serial/by-id/ directory only. This is something you have to solve outside OctoPrint first before you can proceed. 2 when the serial port is set to /dev/ttyACM0. 4' services: octoprint: image: octoprint Mar 18, 2020 · Hello What is the problem? I have a problem with connecting my printer to octoprint. comm - INFO - Connecting to port /dev/ttyACM0, baudrate 250000 Connection handling Get connection settings GET /api/connection Retrieve the current connection settings, including information regarding the available baudrates and serial ports and the current connection state. SD card prints worked Oct 9, 2022 · What is the problem? Hi, I try to connect my Printer, that workt after installing the " OctoPrint Malyan Connection Fix Plugin" but after a while the printer disconnect´s him self. Reported error: Unsupported command May 29, 2023 · Here is what I have: Raspberry PI 3A+ and Shield CNC 3V. When I plug in the printer via USB a see "/dev/ttyACM0" appearing in the Jan 7, 2021 · I am running Octoprint in a Docker container that is running on my NAS (see my first post). Part way through writing this post, it occurred to me to try the full path, and that worked, but I thought I would finish the post in case anyone else has similar problems. I see plenty of instructions on how to do this on Linux or OctoPi. Jan 19, 2020 · This allowed me to get Octopi working with Docker on my Synology NAS, thanks! On that hardware, the interface is /dev/ttyACM0 Unfortunately I can't customize the Octoprint port, so had to manually enter it into LulzBot Cura, but otherwise everything is working awesome! OctoPrint only shows one port "AUTO" to connect to The underlying operating system (e. Dec 28, 2020 · Hardware Setup SKR1. firmwareupdater - INFO - Connecting to printer at '/dev/ttyACM0' using Marlin BFT protocol 2021-03-22 14:43:27,174 - octoprint. Anyhow, the date of 4. util. So why the need for two layers of compartmentalization? It makes no sense but I still see some of these examples/attempts/tutorials going there. Logs Connecting to: /dev/ttyACM0 Jan 28, 2021 · I'm guessing OctoPrint typically just discards these exceptions if the port isn't available, but my implementation does not. What did you already try to solve it? I replaced the entire hot end assembly, re calibrated and got back in business, but my octoprint would not connect. 1. 1) and with octoprint stopped and octoprint plugin removed, it also works perfectly Aug 5, 2021 · Octoprint - Offline after errror Good morning, i have a prusa mk3s + with firmware 3. Sep 3, 2019 · Im sorry, but could you simplify this in beginners terms. Serial log is posted on the OctoPrint community forum, but it didn't seem to show anything enlightening. yaml but I was suspicion that I may also need to add something more than /dev/video0. 1 with Python 2. But now this problem. While a print is runnig than the print stops (load on OctoPi) and i can´t connect it back. I also set her a 777 right. docker restart abc123). Octoprint with Plugin Better GRBL support. And that might by the problem. Normally it should only be Mar 2, 2021 · What is the problem? Setup: Ender3 + SKR 1. log "Did not receive parseable position data from printer within 10. 0 and all fine again - thanks. I've plugged my Logitech c920 into the Pi, and the system recognizes it. This printer was working fine with an older version of Octoprint (1. What did you already try to solve it? Changed USB cable, OctoPrint safe mode, restarted the Raspberry Pi multiple times and the printer, disabled every plugin May 29, 2021 · After taking my printer out of storage, I made the mistake of upgrading to 1. I have a raspberry pi 3 on which I have installed the updated Octoprint. i try this with the default app, no changes at all and with custom paths. 41rc1 may have made things worse. 2022-01-09 23:25:37,946 - Changing monitoring state from "Offline" to "Opening serial connection" 2022-01-09 23:25:37,949 - Connecting to port /dev/ttyACM0, baudrate 115200 Dec 27, 2019 · What is the problem? Whenever try to connect my octopi to the printer, it will try connecting for about a minute, then stop. 859786] usb 1-1. Dec 10, 2017 · It will show up as /dev/ttyUSB0 or /dev/ttyACM0 or something like that. firmwareupdater - INFO - Synchronizing cached writes to SD card The problem Out of nowhere, OctoPrint no longer connects to my Prusa MK3S+, FW 3. firmwareupdater - INFO - Printer not connected, not sending pre-flash gcode commands 2020-12-04 17:35:10,055 - octoprint. 4 Turbo on /dev/ttyACM0, and it works fine through Pronterface on my laptop and sudo screen /dev/ttyACM0 on the Raspberry Pi running OctoPrint. I've setup the camera stream and Octoprint within a docker so it would not interfere with Pi-hole. Should have mentiend that this was a running system prior to last week but had to rebuild the octopi as it just stopped connecting. I believe these were the settings I used in the past when it would connect. I also ran sudo systemctl disable hciuart to turn off service that initializes bluetooth modem. Check the following: Make sure the cable you are using for the connection between your printer and OctoPrint is a fully connected cable and not a power-only charging Mar 6, 2020 · If anyone plugs another smart USB device into their Pi (other than their printer), then I highly recommend creating a udev rule to match their printer board and manually set this alias up in OctoPrint. Dec 18, 2020 · What is the problem? Octopi cannot connect to the printer What did you already try to solve it? WRITE HERE Have you tried running in safe mode? no Did running in safe mode solve the problem? ?? Complete Logs messages: Dec 18 14:15:58 octopi MJPG-streamer [817]: starting application Dec 18 14:15:58 octopi MJPG-streamer [817]: MJPG Streamer Version: git rev Hi, I am trying to run Octoprint via Docker. Apr 25, 2025 · Unable to connect to printer after fresh install of OctoPrint. 4' services: octoprint: image: octoprint/octoprint restart: unless-stopped ports: - 80:80 - 8080:8080 devices: # use `python -m serial. Ironically I had issues with the filament sensor at 3. The printer itself still works when i print from Sd This was working or a few weeks, until i moved my Pi over to my anet a8. Yes, I am using the correct port. . 10. 4 Turbo Octoprint 1. When I try to connect, it says permission denied. 17. 3 + Pi 4b Before i had a Pi3b+ working fine with octoprint, then i upgraded to a pi4b, reinstalled octopi, restore the backup and configured the env. Short version: sometimes your printer board and another device fight over /dev/ttyACM0 (or similar) status and OctoPrint could be confused. What did you expect to happen? OctoPrint connects to my MP Select Mini v2. Webcam is functional but Octoprint cannot connect to printer. I'm back on 1. Downgraded to 3. Serial connection not detected. Your printer will almost certainly have a mini or microusb port, you simply need to use a cable to connect this to the pi. html----------------------------------------------------- Mar 7, 2013 · Is the Makerbot Replicator Dual (first generation) supported by OctoPrint, because we are unable to connect to the printer. 3-3556. To run multiple octoprint server instances, docker is a very reasonable option Aug 17, 2020 · docker run --volume $(pwd):/home/octoprint --device /dev/ttyUSB0:/dev/ttyACM0 -p 5000:5000 --name octoprint octoprint/octoprint:1. Mar 24, 2018 · We can fix this by changing the permissions on our 3d printer's connection to allow the dialout group (you can also fix it by running octoprint as root or with the root group inside the container but that's a horrible idea). 2020-03-17 18:04:03,906 - Changing monitoring state from "Offline" to "Detecting Oct 31, 2023 · octoprint-systeminfo-20231031162017. Apr 7, 2024 · Trying to move my octoprint from windows to docker on linux. 543620] usb 1-1. so i made a quick initContainer & digged a little bit deeper into your library chart. The "fix" is a plain container reboot on my pi (e. Example Jul 6, 2020 · I was able to connect with sudo screen /dev/ttyACM0 on the Pi and Pronterface from a different system. 9rc2, then back down to 1. I connected the raspberry with the printer via USB port (using different cables), but I always get this message: ----------------------------- Changing monitoring state from "Offline" to "Detecting serial connection" Performing Dec 15, 2021 · What is the problem? Just got Octoprint today and was so excited to NOT be kept awake by my printer all night since my PC is in my room. Here's my compose. After completing its last job successfully, the terminal output now shows the output below. I'm not sure if disabling the serial port hardware (step 5) is helpful or necessary. Creating a VM for Octoprint and dedicating one USB connection for each printer for the vm. Hey all, I recently got myself a Raspberry Pi 4 and am using it to run Octoprint. When I set connection settings to "AUTO", it sends handshakes but gets no response from any Nov 24, 2021 · Did a test print, no problem whatsoever. Oct 21, 2023 · This printer was working fine with an older version of Octoprint (1. I have also downloaded the cura appimage (1. A printer with a smoothieboard is on a USB connection at /dev/ttyACM0. When I click on Connect button in Octoprint, the connection is not established. Within this module the default settings for the core application are defined and the instance of the Settings is held, which offers getter and setter methods for the raw configuration values as well as various convenience methods to access the paths to base folders of various types and the configuration file itself Mar 25, 2020 · pi@octopi:~ $ lsof|grep /dev/tty octoprint 507 pi 15uW CHR 166,1 0t0 20035 /dev/ttyACM1 octoprint 507 pi 35u CHR 166,0 0t0 8763 /dev/ttyACM0 (deleted) octoprint 507 May 11, 2020 · That said, you couldn't stream this via OctoPrint since it's not a text file. I'm trying to print something right now and I can't get the… This is the primary image of octoprint/octoprint. The Serial Port is /dev/ttyACM0 when I have my printer plugged in via USB to my Oct 26, 2023 · What is the problem? I have a CTC Bizer that connects to my RPi on /dev/ttyACM0. More specifically, after I finish a print, I come back and try another (often days later), my octokit instance cannot connect to the serial port. Oct 9, 2019 · You can connect to octoprint using the internet and the pi then talks to the printer over USB allowing you to experience what seems like wireless printing. It is designed to work similarly, and support the same out of the box features as the octopi raspberry-pi machine image, using docker. tools. What did you expect to happen? Connect to Printer automaticaly What happened instead? I received this message on the home page: Machine St I was sold on octoprint from the get go, I tried to get klipper going but I hit like snag after snag just trying to get one printer to work with klipper. 13 has stricter requirements for version numbers. Mar 3, 2025 · What is the problem? I installed Octoprint on a Ubuntu laptop. 5. 0. … Apr 14, 2022 · Camera model: Logitech c920 What is the problem?: I'm running OctoPrint in docker (works great) on my Raspberry Pi (that is running Raspbian and serves DHCP through pinhole, also works great). zip (17. As of 2022, Raspberri PI units are almost impossible to find at a reasonable cost, if at all. - all updates complete - Version 1. comm - INFO - Changing monitoring state from "Offline" to "Opening serial connection" 2021-11-24 18:22:26,713 - octoprint. In OctoPrint, go to settings/serial connections and add /dev/serial/by-id/* to "Additional serial ports" save go to settings/serial connections and change AUTO in the serial port list to your device save I also found the Apr 29, 2020 · Note: Your post will require moderator approval before it will be visible. Was seeing an attempt to connect via the terminal, initial response and then timeout. It is clearly a Nov 27, 2018 · That's my take on it, too: the containerization of Docker is the same sort of compartmentalization that virtualenv hopes to achieve. Printer works great on windows octoprint, just looking to move it off the windows box since its the only thing running on the windows box anymore. miniterm` to see what the name is of the printer, this requires Mar 18, 2020 · Hello What is the problem? I have a problem with connecting my printer to octoprint. B Jul 16, 2018 · The Serial Port is /dev/ttyACM0 when I have my printer plugged in via USB to my raspberry pi and it will automatically detect the baud rate at 115200. And i remade the printer profile. Logs (octoprint.