So, I was following the instructions to update the firmware, however, when I Cura's Automatic Update prompt came up it said my firmware update version was UNKNOWN, so I grabbed the .hex file for the version the latest version from GitHub (probably my mistake), and told it to update. Immediately my Mac USB disconnected and the Cura said the printer was no longer connected. The LEDs went green then red and it stayed in that position for a long time. So, now my Sigma won't boot and when I try to turn it on the right extruder goes left and hits the other extruder and starts making noise. Any chance there is a way to manually update the firmware without Cura? I cannot connect Cura to the machine anymore it won't recognize the Sigma. I am stuck and opened a support ticket with BCN3D. Any advice.
M: I just got a Creality CR-5 Pro, but it doesn't appear on the list of models in the MattterHackers SW. I cannot get it to connect with the SW. Can you tell me if there is another listed model that might enable the CR-5/Ender 5 connection?
@badincite depends what they are printed with. I printed all of my hotend mounts using carbon fiber nylon, which is strong enough to take any collision. If the metal ones are inexpensive, I would go with that.
Looks like my bad. Accessed the board and I was plugged into E1 instead of E0. Extruder now feeding but not laying down. Noz =215 bed =75 speed= 50 don't know what to do with z setting .2mm noz gap. stock pla trying to print bengy. nothing sticking. thoughts?? Thanks, Joe
You describe the exact situation I find myself in today. Recognizing your post is nearly 2 years old, I wonder what printer you chose and whether you were satisfied by its performance. Please let us know. I'm ready to pull the trigger on a good printer but would appreciate an objective review.
@portisroads Most likely a problem in the Start Gcode or in slicing. Please post that if you can and maybe the first 20 lines or so of the sliced files - I'd say all of the sliced file but MH has some quite stringed limits on what you can upload here
@bernardfunguy Which PLA and what temperature. Filaments print the same at the same temperature 1mm above the build plate or 400 (given you have a printer that goes that high)
IF the temp is too low you might form a "Puck" after a while that clogs your nozzle or you might have a wiring problem that shows at a certain height
Now stringing can be sometimes reduced with changing retraction and in some cases you got to live with it and remove it either mechanically or with a hot air gun
@ashira2020 Probably the best low budget choice would be either one of the Ender 3 Series from Creatlity or one from the Mega series from Mega series.
But at the same time I probably would not eat of FDM 3d Printed anything unless there is some major post processing done. The problem is not if the material itself is food safe. There are layers and where they meet there are little nooks in which bacteria can collect as its very difficult if not impossible to get into all of them to properly clean it after first use. So that would require to employ some surface smoothing post processing technique to eliminate them
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