# Comgrow T300 **URL:** https://forum.sovol3d.com/c/t300/56.md [Latest](https://forum.sovol3d.com/latest.md) · [Categories](https://forum.sovol3d.com/categories.md) · [Tags](https://forum.sovol3d.com/tags.md) --- ## [About the Comgrow T300 category](https://forum.sovol3d.com/t/about-the-comgrow-t300-category/5931)
**Author:** [@sovol3d](https://forum.sovol3d.com/u/sovol3d)\ **Replies:** 0\ **Last updated:** [November 5, 2024, 7:32am UTC](https://forum.sovol3d.com/t/about-the-comgrow-t300-category/5931 "2024-11-05T07:32:43Z")
Everything related to Comgrow T300 --- ## [MCU Unable to Connect error](https://forum.sovol3d.com/t/mcu-unable-to-connect-error/10322)
**Author:** [@Schnookums](https://forum.sovol3d.com/u/Schnookums)\ **Replies:** 8\ **Last updated:** [August 26, 2026, 7:59am UTC](https://forum.sovol3d.com/t/mcu-unable-to-connect-error/10322 "2026-08-26T07:59:49Z")
So after I replaced the nozzle I had a catastrophic failure during a print (The head cooling fan cable actually got either severed or yanked off). After that the printer is now stuck after booting, giving a mcu: Unable t… --- ## [T300 belt tensioner brock and how to put the thin metal belt cover back on](https://forum.sovol3d.com/t/t300-belt-tensioner-brock-and-how-to-put-the-thin-metal-belt-cover-back-on/8977)
**Author:** [@pat2000](https://forum.sovol3d.com/u/pat2000)\ **Replies:** 2\ **Last updated:** [August 25, 2026, 1:03am UTC](https://forum.sovol3d.com/t/t300-belt-tensioner-brock-and-how-to-put-the-thin-metal-belt-cover-back-on/8977 "2026-08-25T01:03:38Z")
how do i replace tension end piece and how do i put the metal back on under heat bed. it wont slide in. thanks --- ## [T300 z-tilt smashing into bed](https://forum.sovol3d.com/t/t300-z-tilt-smashing-into-bed/6955)
**Author:** [@tmonerythebot](https://forum.sovol3d.com/u/tmonerythebot)\ **Replies:** 22\ **Last updated:** [August 25, 2026, 12:58am UTC](https://forum.sovol3d.com/t/t300-z-tilt-smashing-into-bed/6955 "2026-08-25T00:58:45Z")
I’m having an issue with my new T300. I just set it up and wanted to calibrate the z-tilt but instead of going all the way up, the printer was smashing the toolhead into the build plate. I have reflashed the firmware and… --- ## [Erreur firmware mise à jour 1.52](https://forum.sovol3d.com/t/erreur-firmware-mise-a-jour-1-52/10059)
**Author:** [@DU4FDR](https://forum.sovol3d.com/u/DU4FDR)\ **Replies:** 3\ **Last updated:** [May 28, 2026, 5:02am UTC](https://forum.sovol3d.com/t/erreur-firmware-mise-a-jour-1-52/10059 "2026-05-28T05:02:38Z")
Hello, I have a T300 printer with firmware version 1.35. I followed the video to update it to 1.52. Unfortunately, I get an error message when I start the printer! A photo of the error is attached. I have a copy of t… --- ## [Looking for the mks Full file PLEASE!](https://forum.sovol3d.com/t/looking-for-the-mks-full-file-please/6790)
**Author:** [@Roure](https://forum.sovol3d.com/u/Roure)\ **Replies:** 3\ **Last updated:** [January 26, 2026, 9:03am UTC](https://forum.sovol3d.com/t/looking-for-the-mks-full-file-please/6790 "2026-01-26T09:03:58Z")
Looking for the mks Full file for a Comgrow T300 Please!! --- ## [Issues with new board](https://forum.sovol3d.com/t/issues-with-new-board/9115)
**Author:** [@Quinn4761](https://forum.sovol3d.com/u/Quinn4761)\ **Replies:** 29\ **Last updated:** [December 11, 2025, 2:47pm UTC](https://forum.sovol3d.com/t/issues-with-new-board/9115 "2025-12-11T14:47:41Z")
So, background, I’ve had my t300 for a year and a half. Been an absolute workhorse for me. Few little issues here and there, no big deal. About a month ago, I started getting random errors, or the print would shu… --- ## [How to save just the settings on the benchy stl that came with the printer](https://forum.sovol3d.com/t/how-to-save-just-the-settings-on-the-benchy-stl-that-came-with-the-printer/9000)
**Author:** [@pat2000](https://forum.sovol3d.com/u/pat2000)\ **Replies:** 1\ **Last updated:** [November 12, 2025, 8:20pm UTC](https://forum.sovol3d.com/t/how-to-save-just-the-settings-on-the-benchy-stl-that-came-with-the-printer/9000 "2025-11-12T20:20:24Z")
i made about 3 benchies and they turned out fine, but any other print if they even work are poor quility and become unstuck from the build plate. i tried everything. perhaps a universal profile of anything that works. th… --- ## [Heat fail T300](https://forum.sovol3d.com/t/heat-fail-t300/8910)
**Author:** [@Corvellus](https://forum.sovol3d.com/u/Corvellus)\ **Replies:** 2\ **Last updated:** [October 24, 2025, 2:34pm UTC](https://forum.sovol3d.com/t/heat-fail-t300/8910 "2025-10-24T14:34:04Z")
Hy All, i have a big problem. I just replace the hotend because filament stuck in. Restart and the heat sensor stuck at 283°, but the hot end cold az an ice block. Any have an idea what the problem? Thanks … --- ## [.cfg files in mainsail web interface are gone after attempted upgrade! and I cannot access the printer with WINSCP](https://forum.sovol3d.com/t/cfg-files-in-mainsail-web-interface-are-gone-after-attempted-upgrade-and-i-cannot-access-the-printer-with-winscp/8777)
**Author:** [@gallenike97](https://forum.sovol3d.com/u/gallenike97)\ **Replies:** 2\ **Last updated:** [September 24, 2025, 2:27pm UTC](https://forum.sovol3d.com/t/cfg-files-in-mainsail-web-interface-are-gone-after-attempted-upgrade-and-i-cannot-access-the-printer-with-winscp/8777 "2025-09-24T14:27:26Z")
My topic sentence pretty much sums it all up. any assistance would be greatly appreciated. --- ## [Printer hangs on comgrow screen](https://forum.sovol3d.com/t/printer-hangs-on-comgrow-screen/8680)
**Author:** [@nigel](https://forum.sovol3d.com/u/nigel)\ **Replies:** 0\ **Last updated:** [September 7, 2025, 10:17am UTC](https://forum.sovol3d.com/t/printer-hangs-on-comgrow-screen/8680 "2025-09-07T10:17:08Z")
New to this printer bought it as spare and repairs for a project , it powers up but wont go past first screen, cant do a firm ware update as you need it to go past this screen, have ordered a new board anyway as cheap a… --- ## [Where can I get a new Y belt tensioner](https://forum.sovol3d.com/t/where-can-i-get-a-new-y-belt-tensioner/8494)
**Author:** [@N0T\_WIFY](https://forum.sovol3d.com/u/N0T_WIFY)\ **Replies:** 1\ **Last updated:** [August 10, 2025, 10:48am UTC](https://forum.sovol3d.com/t/where-can-i-get-a-new-y-belt-tensioner/8494 "2025-08-10T10:48:46Z")
My printer’s Y axis tensioner came broken and I’ve been having a ton of issues to get it replaced --- ## [Power fail or crash due to overheating](https://forum.sovol3d.com/t/power-fail-or-crash-due-to-overheating/8050)
**Author:** [@Greg1](https://forum.sovol3d.com/u/Greg1)\ **Replies:** 1\ **Last updated:** [June 20, 2025, 2:34pm UTC](https://forum.sovol3d.com/t/power-fail-or-crash-due-to-overheating/8050 "2025-06-20T14:34:37Z")
Hi The firmware version sent to new T300 is bugged when power fail. I propose to all T300 user to upgrade to last version v1.5.2 (T300 | Sovol 3D Printer Wiki). I have build a enclosure around my T300 for print ASA fi… --- ## [T300 light control](https://forum.sovol3d.com/t/t300-light-control/8052)
**Author:** [@Greg1](https://forum.sovol3d.com/u/Greg1)\ **Replies:** 0\ **Last updated:** [June 12, 2025, 5:13pm UTC](https://forum.sovol3d.com/t/t300-light-control/8052 "2025-06-12T17:13:02Z")
Hi T300 have light near extruder, and we can control it in printer panel control. But We don’t have control in klipper deported access, some body have make script for control it? What is the pin number for access to t… --- ## [T300 network](https://forum.sovol3d.com/t/t300-network/8007)
**Author:** [@Greg1](https://forum.sovol3d.com/u/Greg1)\ **Replies:** 7\ **Last updated:** [June 8, 2025, 8:43am UTC](https://forum.sovol3d.com/t/t300-network/8007 "2025-06-08T08:43:18Z")
Hello, I’m new to the T300 printer. In the bottom left corner, we have an RJ45 connector for the wired network. In the configuration, we only have the wireless activation and settings. How do I configure the T300 prin… --- ## [T300 technical question](https://forum.sovol3d.com/t/t300-technical-question/7766)
**Author:** [@Greg1](https://forum.sovol3d.com/u/Greg1)\ **Replies:** 5\ **Last updated:** [May 6, 2025, 4:23pm UTC](https://forum.sovol3d.com/t/t300-technical-question/7766 "2025-05-06T16:23:35Z")
Hello, I want purchase 3d printer, i have question about T300: -T300, are open source than other sovol 3d printer? -Why T300 are power supply of 150W 24VDC , all other 3d printer are bigger power supply. The only rea… --- ## [T300 toolhead upgrade/swap recommendations](https://forum.sovol3d.com/t/t300-toolhead-upgrade-swap-recommendations/7417)
**Author:** [@Jeason27](https://forum.sovol3d.com/u/Jeason27)\ **Replies:** 0\ **Last updated:** [April 5, 2025, 4:55am UTC](https://forum.sovol3d.com/t/t300-toolhead-upgrade-swap-recommendations/7417 "2025-04-05T04:55:49Z")
Hey guys, So my stock extruder on my t300 broke in half while transporting it. I placed ann order for a new toolhead with Sovol a week and half ago and it still hasn’t even shipped yet. I’m likely not going to be gettin… --- ## [T300 height without the spooler](https://forum.sovol3d.com/t/t300-height-without-the-spooler/6434)
**Author:** [@com100x](https://forum.sovol3d.com/u/com100x)\ **Replies:** 1\ **Last updated:** [January 16, 2025, 12:42pm UTC](https://forum.sovol3d.com/t/t300-height-without-the-spooler/6434 "2025-01-16T12:42:51Z")
Hi, Could someone please measure the height of the Τ300 printer without the spooler? Thank you! --- ## [Gcode Files backup for T300](https://forum.sovol3d.com/t/gcode-files-backup-for-t300/6286)
**Author:** [@DU4FDR](https://forum.sovol3d.com/u/DU4FDR)\ **Replies:** 0\ **Last updated:** [December 17, 2024, 8:44am UTC](https://forum.sovol3d.com/t/gcode-files-backup-for-t300/6286 "2024-12-17T08:44:13Z")
Hello, if you have a lot of Gcode files here is a tutorial on how to back up the Comgrow T300. download the Winscp app the link WinSCP :: Official Site :: Download download Advanced IP Scanner – Téléchargez un ana… --- ## [Comgrow T300 véhicule RC](https://forum.sovol3d.com/t/comgrow-t300-vehicule-rc/6239)
**Author:** [@DU4FDR](https://forum.sovol3d.com/u/DU4FDR)\ **Replies:** 0\ **Last updated:** [December 11, 2024, 7:42pm UTC](https://forum.sovol3d.com/t/comgrow-t300-vehicule-rc/6239 "2024-12-11T19:42:34Z")
hello Here is a rendering of an RC car printed with the T300 the duration of the works per week. I enjoyed using the T300, an interesting time saver, everything works very well. --- ## [Support de bobine universel](https://forum.sovol3d.com/t/support-de-bobine-universel/6152)
**Author:** [@DU4FDR](https://forum.sovol3d.com/u/DU4FDR)\ **Replies:** 1\ **Last updated:** [December 3, 2024, 12:43pm UTC](https://forum.sovol3d.com/t/support-de-bobine-universel/6152 "2024-12-03T12:43:34Z")
Bonjour, Voici le support de bobine universel simple pour avoir utilisé un axe équipé de roulements sans se ruiner ! facile à réaliser et apporte une sécurité de fixation de la bobine. --- ## [The COMGROW T300 tests](https://forum.sovol3d.com/t/the-comgrow-t300-tests/6151)
**Author:** [@DU4FDR](https://forum.sovol3d.com/u/DU4FDR)\ **Replies:** 0\ **Last updated:** [December 3, 2024, 6:25am UTC](https://forum.sovol3d.com/t/the-comgrow-t300-tests/6151 "2024-12-03T06:25:00Z")
To follow the presentation of the COMGROW T300 in the forum it is currently on sale at SOVOL.:grinning: I bought the T300! very nice mechanical performance all axles are mounted on linear rails. the printing speed is f… --- ## [Satisfied with this great printer T300!](https://forum.sovol3d.com/t/satisfied-with-this-great-printer-t300/6142)
**Author:** [@DU4FDR](https://forum.sovol3d.com/u/DU4FDR)\ **Replies:** 2\ **Last updated:** [December 2, 2024, 11:21am UTC](https://forum.sovol3d.com/t/satisfied-with-this-great-printer-t300/6142 "2024-12-02T11:21:48Z")
Hello, I am very satisfied with the T300 the print quality is remarkable. The print time gain is very satisfactory. :grinning: No worries about using the T300 you just need a learning period and be careful what you do! … --- ## [Customer service is trash tbh](https://forum.sovol3d.com/t/customer-service-is-trash-tbh/6110)
**Author:** [@Karl-Marx](https://forum.sovol3d.com/u/Karl-Marx)\ **Replies:** 6\ **Last updated:** [November 30, 2024, 2:02am UTC](https://forum.sovol3d.com/t/customer-service-is-trash-tbh/6110 "2024-11-30T02:02:09Z")
The last 2 and a half weeks I’ve been battling this hunk of trash! First of the bat, testing with their benchy file provided just launches the print. It ignored all the leveling I did before hitting print and dug into my… --- ## [T300 does not feed filament](https://forum.sovol3d.com/t/t300-does-not-feed-filament/4973)
**Author:** [@misiekmgo](https://forum.sovol3d.com/u/misiekmgo)\ **Replies:** 5\ **Last updated:** [May 1, 2024, 8:08pm UTC](https://forum.sovol3d.com/t/t300-does-not-feed-filament/4973 "2024-05-01T20:08:05Z")
Our T300 printer stopped working - no filament extrusion. We disassembly the extruder and had to manually clear clogged filament which was all over the extruder compartment. After assembly we still cannot extrude filamen…