Octo4a not connecting to printer Try selecting the printer port manually, My printer is not being automatically detected by octo4a. The lsusb command wasn't showing the board, and dmesg wasn't showing it getting setup either. Copy link elrodvoss commented Jun 9, 2022. xml at master · feelfreelinux/octo4a (github. Trying to use the I'm trying to setup octo4a, but it keeps telling me that the printer is not connected. I am using the same cable that I was connecting to a pc and it worked fine. After powering everything up today I can no longer connect to my original printer. Q&A. 7. You signed out in another tab or window. com) 🇺🇦 We stand with Ukraine! 🇺🇦 OctoPrint Community Forum Octo4a - run OctoPrint on Android It only takes a minute to turn this service off and back on. Right now I have the server up, it says the printer is connected, but going through the web server it won't autodected the printer. Of course this connection can easily be established by octo4a, but I'm guessing it's not available system-wide (let alone let This sounds like you may not be using the correct serial driver in Octo4a. or at least is stuck saying klipper is on “Standby” or “Connecting” Looking at klippy. It splits the data and power cables If power is being shared with phone and printer, it seems to cause some confusing in setting up the OTG connection. I have blocked the power pin of the usb cable. If you have experienced status messages such as "Printer Offline" or "Printer not Responding", the Wi-Fi Connection Assistant may resolve the connection problem. Host and manage packages Security. Sadly I cannot establisch a connection with the printer at all. When I attach the USB cable using the splitter it says that the printer is not connected. Here, enthusiasts, hobbyists, and professionals gather to discuss, troubleshoot, and explore everything related to 3D printing with the Ender 3. But, as of a few days ago, it won't connect at all. If it does then your splitter can only do one or the other. I noticed when I did plug it in t I'm using octo4A as well with a fire tablet. In any case, if the devices are detected by Octo4a, you might be facing a different issue. It looks as though I must try and re-install 1. I have tried two cables so far. The app says "Printer not connected" even though it is connected via USB. edit 4: I've tried several stty commands to reset /dev/ttyS0 to no avail. I ordered an OTG cable splitter for the phone so I can charge it while having it connected to the printer. I did the electrical tape bit earlier tonight. Running octo4a build 1. Hi! Recently I've released an early version of my app that allows for easy The server is running and it says the printer is connected. Find and fix I have the OctoPrint server up and running but I can’t connect to my 3D printer. Octo4a see my printer as The Replicator, but I am unsure as to which serial driver to use i tried CDC/ACM which should be correct, to no avail. Reload to refresh your session. For input (connection to OctoPrint) you need the I did not expect for it to fall in the "exotic" category (I hear it uses a Creality main board), but I am having issues connecting my Sovol SV01 to the Octo4a print server. Plugging the power back in reverts back to showing the printer connected but no actual device below that. Ok. I connected the splitter to my phone, and ran the charging The backups between different devices and Octo4a are not compatible, because there are some Octo4a specific settings that makes the devices visible to Octoprint. ; Select Stop to temporarily stop the spooler service. The printer wont print (the SKR printer, the Prusa works fine via octo4a). 2 Phone is moto X4 running android 9 Printer is Ender 3 v2 No problems installing the app. g. You found the OctoPrint channel? The link should just go inside the Octo4A support. upvotes There was no physical connection to the printer until I started Pronterface (I'm away from printer right now) so I assume CURA autoconnected. You could try running lsusb or similar on another device, find out the printer's IDs and compare them to the list here. Keep switching serial types in octo4a, until you find a working combination for your printer. I'd really like to try Octo4a but I am unable to connect to the printer and power my Android phone at the same time for less than around $50, which defeats the purpose for me. Plug it back in. Built-in camera support. I've also installed t Today, I loaded Octo4a on and old phone to try it out, and was amazed to have the same issue (web interface works for wired and wifi windows computers, not with android phone or tablet, or ipad). I have the option for AUTO or COM1 in OctoPrint wont connect to printer - no serial connections found. You found the OctoPrint channel? The link Using a Pixel 3 running Android 12 everything is running smoothly camera works, plugins all installed including GPX, but serial connection is not working on Flashforge Creator Pro. I have a spare fire tablet I put octo4a on and I purchased a OTG with power cable on Amazon. cfg file, which I pasted into the editor: Pastebin You signed in with another tab or window. Does anybody have a return of experience with Octoprint and this printer ? 🇺🇦 We stand with Ukraine! 🇺🇦 OctoPrint Community Forum connection only. What did you already try to solve it? Changed USB cable, OctoPrint safe mode, restarted the Raspberry Pi multiple times The printer will not connect. The printer doesn't seem to realize that something is plugged in. Showcase. I changed some stuff yesterday and in the evening the printer and all worked, but after reboot something changed somehow. Today it worked once, but I had to restart Octoprint after a plugin deinstallation and after that it failed to The printer will not connect. when i try an connect i get No more candidates to test, and no working K12sysadmin is for K12 techs. Either turn the printer on before connecting it to the tablet or use the 5V pin mod to prevent the usb port RE: Octo4a. Hi, I have an SKR 1. What is the problem? Test if you can connect your printer to your pc to rule out a bad cable. Not connecting You found the OctoPrint channel? The link should just go inside the Octo4A support. Best. It can lead to the printer not connecting to and accepting prints, or low-quality prints. The other device is a lenovo 850f not rooted, lineageOS not avail for this tablet. apk in your phone's settings. PS: /dev/ttyUSB0 is just a serial connection, that specific name is not required. 5 I repeat do NOT hit reinstall, I think it kept it from working for me when I first tried this in December. system Closed May What is the problem? I have an Ender 3 Pro and picked up a Kindle Fire HD 8 to run Octo4a on to run Octoprint on my printer. Using other phones, and other usb cables, didn't solve the problem. Start the Octo4A, you can see it is corrupted, but dont reinstall ! Anyone have tips for getting the phone to actually connect to the printer? I have an ender 3, about half the time (probably less) octo4a fires up, printer says it's Do you have a screenshot of the Octo4a app? You should see your printer listed with a checkmark next to it. If the phone detects charge and Octo4a shows a popup requesting access to a A broken or non-existent connection between OctoPrint and an Ender 3 is a common issue most people face. download octo4a source code, unzip source code into a folder. Reply reply Octo4a does not detect printer? I want to run an Octo4a on my old Xiaomi Redmi note 4. What is the problem? Not connecting to printer. On the app side, the websocket is abruptly closed in an improper fashion. Then, you can connect your 3D printer to AstroPrint using either a USB OTG adapter, such as the LecLooc USB C to USB Adapter with Type C Charging, or a Wi-Fi connection. What did you already try to solve it? Restarting OctoPrint, shutting down OctoPrint and unplugging, turning printer on first and then OctoPrint, ls What is the problem? Setup: Ender3 + SKR 1. Launch Run by pressing Windows + R at the same time. If there are no options there to connect to then you will have no luck in OctoPrint. Start the Octo4A, you can see it is corrupted, but dont reinstall ! 2. 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 Printer: creality ender 3v2 I'm trying to install klipper, but I'm having issues getting it to connect to my printer. Skip to content Toggle navigation. (Issue #145) Hi, thanks for trying octo4a! Please try connecting an USB mouse first. I ended up changing the DNS server from the ISP to Cloudfair. Using Android Octoprint. Open comment sort options. 1 we could have more than one serial communication process running at the same time. Stock cable is shielded; No servo cables, nor does it have a ferrite bead. Could not autodetect your printer. I first attempted to connect via the micro usb serial port but it would not connect and then I tried a regular USB cable and again it won’t connect. The octo4a app shows that my printer (ender 3 pro with btt skr mini e3 v2) is connected but the webpage will not let me access the printer. Looks like Octo4a can at least see the printer. If you Printer connection via USB OTG. Either turn the printer on before connecting it to the tablet or OctoPrint shows me more than one port to connect to but connecting fails. I would like to use octoprint on my 3D printer. /dev/ttyOcto4a Octo4a is technically only broadcasting to "localhost" name but when you send a request through ZT it gets resolved. Click "Save". Open the app. 0 board hooked up and flashed with a customized Marlin 2 firmware, OctoPrint (OctoPi flashed on a Pi4) couldn't detect any serial interface to connect to. I have tried it with charging from the hub and without, it still won’t connect. Allow up to 10 seconds after clicking "connect" in Octoprint before considering that attempt a failure. This article is free for you and free from outside influence. 8) causes a bug in Octo4a where you can't connect to the server with a web browser. I’ve got octo4a downloaded on the phone, I have connection to the printer, and I’ve compiled octoprint on my Mac. ie data transfer or charging but not both at the same time. But mine for the skr mini e3 v1. Not connecting Just saw, you running Octo4A? 🇺🇦 We stand with Ukraine! 🇺🇦 OctoPrint Community Forum Not Detecting Printer. Ewald_Ikemann August 9, 2023, 7:25am 2. Before that, I would be sure that this printer is compatible with Octoprint. 2 Likes. USB debugging and tried all the serial/ baud rates. msc ; Double-click Print Spooler on the right to open the Properties menu. Share Add a Comment. But very good idea. I have the same behavior. It covers most boards, but could be the issue? octo4a/device_filter. You switched accounts on another tab or window. Navigate to Device Tab: Click on the Device Tab in the OrcaSlicer interface. I can however connect to my printer using my computer and pronterface. The volume slider on the right is blocking the checkbox, so I can't tell if that's actually the correct driver, though. 6, which I had before this problem occurred and could serially connect with OK). However, when I connect, I get the following error: Hey, I'm trying to connect a pro micro connected to an adxl345 flashed with klipper at the same time as my main 3d printer using a USB hub but the only app won't let me select both of the MCUs to connect. Was able to install 1. Test if you can connect your printer to your pc to rule out a bad cable. The reason the phone does not get charged is that the printer is a client device so should not deliver power from the USB port. I remember a long time ago I had a Creality 10 S and when I plugged in the raspberry pi with octoprint it would change the screen. After a few hours of research, I come here because I can't connect my printer via USB. I received a couple of reports from users who can't connect OctoApp to octo4a via OctoEverywhere. Octoprint won't connect to printer . 2. New You need to tap to start the server and once the server starts see if the printer will connect. I can access it from my laptop and install Plugins etc. OctoPrint version, OctoPi version, printer, firmware, browser, operating system, as much data as possible. 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. Comments. I am using a OTG splitter that I got on amazon, but it doesn't seem to work. For anyone else who happens by here: On my first attempts I got a "printer not connected" message on the phone (a non-rooted Pixel 3), but that came down to the cable. I jumped right in the deep end with Octoprint, not knowing anything Long story short, had TONS of problems with filament runout not i recently got an old HP photosmart C3150 All in One printer off of craigslist. I firstly tried Octo4a (octoprint with android), but the application always displayed "printer not connected". https://redd. Then check to see if your OTG adapter works as well as your baud rate setting in octo4a to make sure it matches with your printer's capabilities. I used the only pi i have to make and the firmware for the printer. Trying wifi it finds my home wifi network and gives an IP address in my wifi IP range. My printer shows up in octo4a as "Malyan 3D Printer", but octo4a doesn't automatically select a serial driver. You should now see the Klipper interface for your 3D printer in this section. What is the problem? Not connecting Not that I am aware of. Klipper. Is is always supposed to say so or is it my bad welding fault (didn't have a proper micro USB to USB-B cable so I soldered two cables)? Share Sort by: Best. On the app it only says "Printer not connected - Connect your printer using OTG cable" On the webinterface it says "No more candidates to test The printer will not connect. I have tried on 6 phones now. More . Printables; Basics; Buyer's Guides; News; Get It 3D Printed Source: _toma00_ via Reddit. No working connection parameters could What is the problem? Over the last 1-2 weeks it started taking a lot longer for Octoprint to connect to my printer. I have tried it with charging from Octo4a ”printer not connected” I have an Ender 3 v2 that i can connect to my pc but not octo4a. 0. ; Type the following in the Run box and press Enter: services. I can't figure out how to get the USB serial port back. 6, Raspbian Lite 64-bit, Creality Ender 3 with SKR Mini E3 v3. I really miss being able to use Octoprint. In some older setups this address may be /tmp/printer. It started when we "stress-tested" the printer by pulling the serial cable from the Rpi to the printer out of the printer, and now it just won't connect, after being perfectly connected for a long time. You found the OctoPrint channel? The The printer will not connect. Run dmesg from the Pi and look for the device name that's indicated in the last, say, 20 lines of that output. What is the problem? Not connecting No luck so far. Chip1 June 7, 2023, 6:12pm 1. - Connecting to printer via OTG, simultaneous charging · feelfreelinux/octo4a Wiki. Toggle navigation. Add a Comment. Try cycling between the different available drivers and see if any of them work. so, i need to look into that. I do not see an Octo4a anything in Discord. I have tried it with charging from I have the same problem with it not connecting to the printer. Chip1 I fixed that by using an modified version of Octo4a from an other user (its not official and not the newest OctoPrint Version, 1. Biggest tip is open the Octo4a is bundled with a web terminal extension utilizing ttyd, which allows for easy access to the underlying shell without a separate ssh client. 4) ADMIN MOD • klipper not connecting to printer on octo4a Hello i am been trying to get klipper running on some android tv box i got octo4a and i have klipper installed on the printer. Octo4a not connecting to Ender 3 . See below for official resources/channels Members Online. The second problem was my WiFi router was a “smart router” from my ISP and would automatically connect to 5GHz if it was available at my printer. I have tried it with In the Octo4a app (not OctoPrint) there should be an option to select the printer/USB connection there. There are a number of possible reasons for this: You selected "AUTO" as port but your printer doesn't support auto connect. After I changed it to 115200 in the setup the printer was immediately available. Well sort off. Problem: printer is seen by Octo4a but you unable to connect (for example from Klipper that uses Octo4a's USB driver) Analysis: looking on Rx, Tx and Reset signal it was found that during Octo4 Make sure that the usb cable is a data cable. I changed firmware settings for BLTouch and bed leveling, applied new firmare (same version), Same issue. See some of the links in this post. I I have a tevo Tarantula pro and wanted to set up octoprint, I have both a LG G6 and a Samsung S7 I used This charger to connect to the printer, but I could only charge OR connect to the printer not both. If I am not mistaken the Use your old Android device as an OctoPrint server. I have tried it with It’s Klipper’s root, but not the actual root of the tablet. 5V pin has been taped off; Dropped baud rate by half - from 25000 to 12500; Ran prints all night with it yesterday and seemed to have minimal Connect, disconnect, in a repeating pattern. Here some data for whom might know more than I do: Phone: Model E5823 Android 7. It shows Octoprint running and shows the connection to the printer - dev/bus/usb/001/004. /dev/ttyOcto4a would be correct in the OctoPrint UI. When I have my phone connected to the printer via USB cable, the app says that the printer is connected and I can connect to it in octolapse. In fact, if the operating system can see the device then OctoPrint will auto-populate this in that pull The printer will not connect. In the Settings tab, navigate to the "Behavior" sub-tab and select the "Cancel any ongoing prints but stay connected to the printer" option. Share Sort by: Best. In the klipper. Be the first to comment Nobody's responded to this post yet. The next step is to select a 3D model to print, either from your mobile device or the cloud-based model library within the app. With both devices connected, they might not be getting enough power from your phone, you might want to try a USB hub with an external power supply. 2 it is: vendor_id 0483 & prodruct_id 5740. For PIXMA TS / TR and MAXIFY GX Series Printers, learn how you can use the Wi-Fi Connection Assistant on a Windows computer to reconnect the printer to a wireless network. " Let me know if you need any more info, or pics, or video if it will help. Log into your pi via ssh then disconnect your printer, connect it again, enter dmesg | tail -n 20 and post the output here. 1 octo4a build After getting my SKR v3. To keep things this way, we finance it through advertising, ad-free subscriptions, and shopping links. WRITE HERE. Controversial. 0s Send: N0 M110 N0*125 Recv: // Option 'max_velocity' in section 'printer' must be specified Recv: // Using stock cable that came with the printer seems to connect better at the port. Just as a sanity check make sure your printer is on and your cable you're using works for data transfer. I fixed that by using an modified version of Octo4a from an other user (its not official and not the newest OctoPrint Version, 1. ; Wait for about ten seconds. 5 of octo4a but not able to connect to printer. 8, and update Octolapse to v0. the cable i’m using is a cable i know works so it’s not the cable. There’s probably some easy way inside Klipper to populate the contents of that file. I'm having trouble connecting it to my laptop (windows 11). On the app it says that Octo4a is running and I can connect to the app from my computer, but the printer is not connected. Discussions on Klipper - the 3d printing software. However, when I connect, I get the following error: What did you already try to solve it? I I have a print running now but I'll try the first point tomorrow. Specifically this post. Thanks to the custom USB driver you can use OctoPrint even on phones without root access. To add content, your account must be vetted/verified. I have switched from auto to manual and tried every listed baudrate. 🇺🇦 We stand with Ukraine! 🇺🇦 OctoPrint Community Forum Octo4a - run OctoPrint on Android. If I power off and then on the printer, the pi can't reconnect to the serial port until it reboots. Tried 2 cables but nothing. Not appropriate to connect OctoPrint. When I attempt to connect the Terminal shows the following: Connecting to: /dev/BBCUBE Changing monitoring state from "Offline" to "Opening serial This sounds like you may not be using the correct serial driver in Octo4a. it's very strange. What is the problem? Not connecting I recommend to visit the discord OctoPrint-Octo4A channel: Or the github: 🇺🇦 We stand with Ukraine! 🇺🇦 OctoPrint Community Forum Not Detecting What is the problem? Since today, OctoPrint can't connect to the printer (MonoPrice Select Mini V2) via USB cable. The printer will not connect. What is the problem? Not connecting to Unplug the charging cable and reconnect the cord to the printer and see if that connects it to the printer. I have changed the adress in the cfg file to serial: /dev/ttyOcto4a. I'm having similar problem too. Please retry in a few moments. Stock cable that came with the printer is only 20cm long, so plenty short. Octo4A setup not quite Solved: on the phone that is running octo4a i needed to click on a box to select the printer, after that it worked. Find and fix What is the problem? I have an Ender 3 Pro and picked up a Kindle Fire HD 8 to run Octo4a on to run Octoprint on my printer. Hello @RyaJa! You may consult: Klipper. It The printer will not connect. You can test it for example with I have an Ender 3 Pro and picked up a Kindle Fire HD 8 to run Octo4a on to run Octoprint on my printer. Using Flashprint 5 using IP address I entered the IP number showing on the printer without success. 4t MOBO that works fine via the TFT 35 screen and marlin 2. Do you have a screenshot of the Octo4a app? You should see your printer listed with a checkmark next to it. Ive tried finding videos and articles but none really address connecting, only setting up the programs themselves. 🇺🇦 We stand with Ukraine! 🇺🇦 OctoPrint Community Forum Not Detecting Printer. Klipper state: Not ready 15:27:10 Printer is not ready klippy. BTW: Is the MCU serial correct? RyaJa August 9, 2023, octoklipper refuses to connect to my printer I have verified octoprint and mainsail canl, but it seems octoklipper won’t connect. You found the OctoPrint channel? The link Printer: Modified Ender 3; Mainboard: MKS gen L with Klipper firmware flashed on it; Trying port /tmp/printer, baudrate 115200 Connecting to port /tmp/printer, baudrate 115200 Handshake attempt #1 with timeout 2. Note, I haven't plugged the octo4a into the printer yet (waiting for OTC power passthrough cord). log still having same issue. I have tried it with I just wanted to share my setup with the community in an effort to help anyone going through what I went through setting up Octoprint with Octo4A and Octoeverywhere on a TronXY VEHO 600. Is there a special firmware I need to install? I’m running the latest on the Creality website. 4. Two different wifi's for the pics so that is why the IP addresses are different. Click on OK once the connection is verified. hi all, i ve installed octo4a on my old huwawei P30pro and all works good for octoprint and connect to printer but when i try to connect to my priters who are on klipper with octoklipper, impossible to connect. I have 2 different OTG cables that I've tried and have the same issue- when I connect only the USB to the E3v2, Octo4a shows the printer as connected (and Octoprint connects successfully), but the moment I connect the USB C charging cable to the OTG cable the printer disappears in Read all about installing and using Octo4a. . - Connecting to printer via OTG, simultaneous charging · feelfreelinux/octo4a Wiki Use your old Android device as an OctoPrint server. Sign in Product Actions. Install the apk file downloaded from the releases page. cfg and saved correctly but not sure. It's because android doesn't recognise the printer as a USB device, because octo4a lacks permissions to access the dev area Funny enough, I got mine rooted but octo4a doesn't even ask for permissions, it just continously tries with standard access. Ivanovm7 July 9, 2022, 4:01pm 3. 8 and 8. However I cannot get it to see the printer when I connect everything. Start the Octo4A, you can see it is corrupted, but dont reinstall ! Anyone have tips for getting the phone to actually connect to the printer? I have an ender 3, about half the time (probably less) octo4a fires up, printer says it's I saw a video about octo4a which got me interested. installed klipper and all it's dependencies now the final hurdle is connecting klipper to the printer. But now not anymore. Realize Octoprint 4a is support by others, but wanted to bring awareness. I have tried it with Connecting android phone to creality 4. There is a minor modification you can make to your motherboard to allow the USB port to supply power Hi, I hesitate to buy the new one Anycubic Kobra 2. octoklipper Terminal log of "Connect" on Serial Port "/dev/ttyACM0" on Baudrate "AUTO": Changing monitoring state from "Offline" to "Detecting serial connection" Performing autodetection with 7 port/baudrate c Octo4a cannot talk to my printer any longer. Enter the Settings tab again and under "Serial Connection" change the "Serial Port" setting to the one added above. 8 (or go back to 1. cfg” file, as a temporary stand in. DaveC May 4, 2018, 8:05am 3. Here is my printer. But when I go to octoprint in my browser it will not connect and just times out. I had 2 problems. The tablet will also pop up a message asking for permission to access the usb port. General Discussion. K12sysadmin is open to view and closed to post. What did you already try to solve it? I have restarted printer, octoprint, browser and even reinstalled Octoprint. I deleted the app from my phone and reinstalled it from the site so I could start from scratch, but did NOT hit reinstall! Again, I did NOT click reinstall! Connect OrcaSlicer to your 3D printer: Input the IP address of your networked 3D printer in the IP section. I'm the dev of OctoApp. Thanks. Ryaja August 10, 2023, 12:08am 1. Once I got a good cable, it pretty much just worked. Sign up Product Actions. Click "Install OctoPrint" to download and install OctoPrint (needs working connection to internet & querries Google DNS servers 8. Let the setup go, let it crash. and on my phone it has the issue of serial driver not found tap to select. i've tried installing the C3100 series drivers but it still isn't connecting with the printer. The first is the DNS from my ISP (Optimum) would not permit access to the Bambu site and would not connect. Hello i am been trying to get klipper running on some android tv box i got octo4a and i have klipper installed on the printer. Reactivate the service by selecting Start. I'm somewhat certain if this is added to the res/xml/device_filter it should work. I've tried to find the proper drivers online but I can't as the program origianlly was downloaded off of a disc that came with the printer that I do not have. You can test it for example with Pronterface. any troubleshooting thoughts you I was able to get klipper set up and working on mainsail but it won't connect to octoklipper, but octoprint will connect to the printer with octoklipper disabled. Hi There, I’ve got problems connecting my Octo4a with the SV06. All3DP; All3DP Pro; Printables Basics Buyer's Guides News. I wanted to use an old andoid phone (Sony Xperia Z5 compact) to connect to my Neptune 3 Pro using Octoprint. when i try an connect i get No more candidates to test, and no working klipper not connecting to printer on octo4a . I have restarted printer, octoprint, browser and even reinstalled Octoprint. - feelfreelinux/octo4a. I made this mistake My printer is not being automatically detected by octo4a. If a cursor doesn't appear this means this is a problem with The printer will not connect. Copy and paste what is in the quotes (ie “ “) but not the quotes themselves. no matter which Octo4a even says "connect your printer using an OTG cable. Remark: The Fix for 2x temperature also needs to be implemented for this new Endor 3 pro to see the correct values, because the firmware still Use your old Android device as an OctoPrint server. I have read somewhere that printer charges smartphone, but I do not In order to use your printer with octo4a, you need to connect it to your phone with an OTG cable. If you want to post and aren't approved yet, click on a post, click "Request to Comment" and then you'll receive a vetting form. I have no issue connecting to the new printer, just the original that worked fine yesterday and on previous set up. New. can connect to octoprint but when i check klipper status i get this For example I have a cheap onn tablet, that runs android 10 and has USB-C, wanted to try it but the Y-cable I got from amazon: while it allows connection to the printer if the charging cable is disconnected, doesn't seem to pass charging through, and doesn't allow connection to the printer when the charging cable is connected. This Octo4a issue on Github has a temporary fix that worked for me. It worked the first time and now will not connect. The printer is probably drawing too much power via usb. After trying to connect to the printer for over a week and not being sucessful, I noticed that one of the ports (the USB Serial port) is now missing (see pic below from when it was working vs. What did you already try to solve it? We usually connect to the printer using the REST api, so we tried this as well as In the Octo4a app (not OctoPrint) there should be an option to select the printer/USB connection there. The app has the drivers I need t I've been messing around by disconnecting the pi from the printer PSU and connecting it to an external power source. I'm not sure what printer/board you are running. However, when I connect, I get the following error: What did you already try to solve it? I I am having a similar issue with Octa4a installed on my Pixel 3 and trying to connect to my MakerBot Replicator 2X. So, next up, the question is of course, how do you actually connect to your printer, because these phones don’t exactly have a USB port that you can just plug I am trying to get Octoprint running via Octo4a for my Ender3 v2 on a Nexus 6p android phone. now). Use your old Android device as an OctoPrint server. The install script seems to have created a new port for SSH into this walled off area, 5002. 9rc2, then back down to 1. 🇺🇦 We stand with Ukraine! 🇺🇦 OctoPrint Community Forum Octo4A setup not quite working. You're looking for something like /dev/tty* or tty* or similar, usually. e. Octoprint 1. Klipper Octoklipper refuses to connect to my printer. Eventually when it connects, it works about half the time. I can use ssh and browser to open octoprint but it does not see my printer. After looking at the FAQ, I saw a section for that there, but I'm not sure which option to use or how to implement it. I get always 'no serial port found' so I suspect there is no, or bad, connection to the actual port from the printer. I've manually tried them all at this point, but have been unable to connect to the printer in octoprint. I bought a splitter cable that claims to have Usb OTG capability. Back in windows 3. I've installed Octo4a on my android smartphone (Xiaomi MI A3) and run it as OctoPi. Unfortunately, I was only able to connect it to either the charger or the printer (Not at the same time) 15:27:10 Printer is not ready The klippy host software is attempting to connect. I can see the camera but that’s all. What port number should I use? I can ping the printer via ethernet with no packet loss. There are a few solutions to keeping your phone charged when using Octo4a. 8. 3. 4 are Micro USB, which I cannot find any cable/splitter In the Octo4a app (not OctoPrint) there should be an option to select the printer/USB connection there. You can Without connecting anything to the microusb port (not tested with type-c) Open Octo4a app in your mobile; connect the printer to the usb modified cable (assuming that you have already builded one ;) ) connect the charger to the microusb male port; connect the modified cable to the mobile phone. , but it cannot connect the printer (Flsun Q5) via my phone. The app says I need to connect the printer to the phone even when it is connected via cable. Thanks I have the same problem with it not connecting to the printer. That will show us if any device was detected. You can use an Y USB cable (search for "usb otg y cable", example cable on Aliexpress). I replaced the obvious parts but ended up replacing the printer with a Welcome to the Ender 3 community, a specialized subreddit for all users of the Ender 3 3D printer. Top. Click on the Test option to verify the connection. For the serial driver, I used "CDC Serial Driver" What is the problem? Serial connection keeps failing. My Artillery Sidewinder X2 recent had unknown hardware issues, where unable to home, among other failure. Get Help. kengi May 1, 2022, 1:30am 1. On the app it only says "Printer not connected - Connect your printer using OTG cable" On the webinterface it says "No more candidates to test Note: this is not an official support forum. log file t printer-connection. The stick PC is running on a fresh install of Windows 10 and has a single USB port as well as a micro USB serial port. What is the problem? I have an Ender 3 Pro and picked up a Kindle Fire HD 8 to run Octo4a on to run Octoprint on my printer. 1) The server is working now but i have no connection to the printer. It is possible that your printer has an Try plugging the printer directly into the phone without the OTG splitter to verify if the issue is the OTG adaptor itself. I can select allow but the printer will keep appearing and disappearing over and over. Skip to content. I read somewhere that the serial speed should be reduced to 115200 instead of 250000. 0 board, Firefox, Linux. So now, you'll know the device name. Hi, I’ve setup Octo4a on my old android phone (moto g power). Install Octo4A, let it install OctoPrint. 8 no longer able to connect via web browser - seems to be permissions related. This article will walk Let's check if the printer is detected at all. It is possible that your printer has an uncommon USB vendor id/product id. Old. it/wjobfn I think the issue is that the printer is not being automatically detect I am using a ZTE 7 mini to connect to an Ender 5 pro the phone has USB OTG. One thing that does the trick is If this was an OctoPi installation under Linux I'd say to check dmesg before and after connecting your printer, to see whether the OS even sees the connect and how it reacts to it. The camera shows the printer via :5001/mjpeg in my browser. It says no printer connected, which means Octo4a is unable to see the printer. I follow the guide on how to install klipper. changed thought i changed the printer. It seems the kernel on my device lacks the requisite module for klipper to communicate with the CH340. I'm looking into a way to reset the pins/UART/serial without rebooting. keeps erroring out The rest of the time octo starts up and it just sayd "connect with the otg" sic. New comments cannot be posted. This video goes over a few of them. Ender v3 se is on latest software. It worked the first time No answer from the printer within the connection timeout, trying another hello Send: N0 M110 N0*125 There was a timeout while trying to connect to the printer. The OctoPrint logs show the following whe That was the place I was meaning, yep. I never used Octo4A so I can't really help you with a specific issue but here are some general tips: Make sure that the usb cable is a data cable. Ewald_Ikemann June 7, 2023, 7:03pm 8. If you want to Sometimes i get the stats but no video and when i click on information it says failed connection with port 80 What did you alr What is the problem? My octoapp keeps disconnecting when i try to view the print progress. The connection on the Octo4a seems fine. The only thing I have done over the last few weeks is update Octoprint to 1. But, when I select Connect, it gives me this for each of the baud rates: Lot of false leads there, The printer is not connecting to the Ender3 serial port. When trying to connect through octopi. Octo4a not connecting to printer 3. FYI it is basically an Ender 3. local all settings are on auto for connection but reads out this error: " Error: Failed to autodetect serial port, please set it manually " I have tried restarting the pi and the printer and unplugging the USB connection to the printer and its still not getting a connection 2019-08-13 01:12:47,422 - serial Octoprint does not find serial interface for printer no more Until today Octoprint found the serial interface of the printer. On the phone, octo4a is saying, that i am connected to a device. It keeps saying printer not connected, even if I am connected, p In the Octo4a app (not OctoPrint) there should be an option to select the printer/USB connection there. 7 board. I see another post below that cites antivirus as the problem. Automate any workflow Packages. However, when I connect, I get the following error: Copy and paste what is in the quotes (ie “ “) but not the quotes themselves. How can I fix it Locked post. I had a Samsung S6 lying around and I wanted to make good use out of it. i've read the procedure to Connect your phone to your printer and keep it charged. Per android device, says "OctoPrint is Running" and does connect to printer, camera server seems to be active - Looks normal from andriod 10 phone See screenshots Disconnect the serial cable from the printer. Filip March 29, 2021, 12:03am 1. my printer is an anycubic mega x. I didn't print anything yesterday, but I tried to use the command M300 to play some tone. Has it connected before or is this the first time you’ve So i had just upgraded my board in my ender 3, which is great and all, but now octo4a is not really. any suggestions? Locked post. In the Octo4a app (not OctoPrint) there should be an option to select the printer/USB connection there. Some phones can't charge & transfer data at the same time apparently, on many there is a menu/option to select the USB mode which may be of use. Otherwise I can't Changed the "Wait for start on connect" feature on still nothing. New octo4a not connecting properly . 1. Enable installing 3rd-party . Octo4a uses a custom driver for the serial port, you might need to tweak something in pyserial to make it work. By default, it runs on port 5002, with user "root" and SSH credentials (Fallbacks to "octoprint" when not defined) What is the problem? After Upgrade to 1. All went fine but the printer did not start the connection at all. Please try disabling "Request low latency mode the serial port" under Settings > Serial Connection > General > Connection and see if that solves the issue. Yesterday was working fine. I can’t seem to figure out how to connect octoprint on the Mac to the octo4a on the phone in order to control the printer. Cannot connect via Octo4a . What is the problem? Not connecting Hello @Chip1 ! Ok. working? when connecting to it from my computer it just says "Could not autodetect your printer" after being stuck on "detecting serial connection". Also be aware that the latest version of OctoPrint (1. Find and fix The printer will not connect. This seems kind of stupid of the OS. When I connect via SSH into that area, I see an empty “printer. i haven’t been able to find anything about using a data cable with this printer. log the mcu is awake and correct. - Home · feelfreelinux/octo4a Wiki i got through setup just fine and was able to sideload octo4a but i can’t get it to recognize my printer being plugged in. The printer also plays it chime and does a check of the BLTouch as if the connection succeeded, but OctoPrint isn't.
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