Dual Extruder Thermal Sensor Not Working (2 replies)
Hi i am building my own dual extrusion 3D printer. I have RAMPS with defined Motherboard_14_EEB and connected two thermal sensor 1 at T0 and another one at T1. The printer doesnt contain any heatbed....
View ArticleA clone Arduino Mega lost USB connection. (1 reply)
I'm running Devuan Linux. In middle of printing, the USB connection got lost suddenly. Bulbul Junior stalled. Pronterface was complaining serial port errors. The USB adapter was gone: Bus 001 Device...
View ArticleArduino Mega overheating when connected to ramps X( (1 reply)
Hello, Today when I finally got my ramps shield and drivers along with the LCD display I set up the Arduino boards with the latest marlin firmware with the right setting for my display and printer but...
View ArticleIs This normal?? Lcd lights up (2 replies)
Is it normal, on the ramps 1.4 for the LCD to light up, when there no power connected, and moving the axis by hand,??? I had my printer off, and was moving the axis, by hand, to see if the belt was...
View ArticleHow do you use a zmin endstop and probe (no replies)
I want to connect both a Zmin endstop and a probe. How would I wire this? Marlin briefly goes over this in line 379-414 in the config file. I don't understand where to plug in the probe and where to...
View ArticleRamps 1.4 new firmware (no replies)
Hello i got a ramps 1.4 (arduino mega 2560, ramps1.4 nema17 pololus endstops and dsplay) i dont want a 3d printer i want a menu on my display Reprap Discount Smart Controller with options (e.g xpart...
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Ramps 1.4 with silicone heatbed (no replies)
Hey guys, Setting up my new CoreXY machine and would like to just double check that my wiring is correct and safe seeing as there is mains voltage for the heatbed. I have attached an image of how i...
View ArticleHeatbed temp Final degree not reached (no replies)
Hi, I had tried to search if this happened to anyone before but could not find anything so far. Whenever I am starting a print with heated bed target temp to be above 100 the last degree is not...
View ArticleRamps 1.4 Bigger motor (4 replies)
Hey, I have an arduino mega and a ramps 1.4 shield for my custom 3d printer. My problem is that a standard nema 17 motor is not strong enough to move my Z axis. I have been doing some research on...
View ArticleChanging y-axis pins to extruder 2 pins (6 replies)
Hi, my y-axis doesn't move and does not receive power from the y-axis port but it receives power on extruder 2 port. So can anyone help me change the pins? This is for Geeetech Arduino Mega 2560. I...
View Articlemosfet driver 24v heat bed without modifying ramps (no replies)
i upload an schematics for driving the heatbed in 24 volts without modifying the ramps, its dosent matter how do you connect the 2 and 3 of the heatbed becouse its just a resistor, and the mosfet...
View Article2004 lcd module (no replies)
i have exactly this brand-model lcd module. [www.bigtree-tech.com] i tried some ready to use marlin for this model, also tried to configure original marlin but couldnt make it run. and also tried...
View ArticleNeed help! Z motor works fine, but x and y wont move (2 replies)
So I’m slowly building up all of the parts to build my MPCNC without making the wife angry and decided to start on the electronics. I have my Mega, ramps, motors and stepper controllers all hooked up...
View ArticleStrange behaviour - Heated bed (2 replies)
I recently had some issues with Thermal Runaway (Thread) which I thought had gone away..... Friday evening I was printing some items when I realised the printer had stopped, when I checked it was...
View ArticleLCD goes white with 12V (2 replies)
So I did something stupid last night and accidentally had an endstop switch plugged in backwards. Turned on the 12V, heard a nice pop, immediately noticed my endstop and shut if all off to fix my...
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endstops wiring to ramps 1.4 (1 reply)
hi, i wired the endstop as in the image and using marlin firmware, endstop part is like that; #define USE_XMAX_PLUG #define USE_YMAX_PLUG #define USE_ZMAX_PLUG // coarse Endstop Settings #define...
View ArticleZ axis Motor control (1 reply)
I have built a fairly large custom 3d printer but I cannot get my Z axis motors to move enough. I have a gearbox on both my z motors but seem to be unable to compensate in the firmware. The motors I...
View ArticleRamps 1.4 does not work with just 12V (1 reply)
Hey Folkes... Having an issue with (it appears to be) my RAMPS 1.4 board. I have the Ramps and the Arduino Mega connected to my RepRap printer. I connect the USB to my computer and the Ramps boots...
View ArticleDead heating resistor replacement (3 replies)
My hotend stopped heating, and taking it apart revealed that one of the arms had sheared off. Not sure how as it shouldn't have been moving relative to the heater block, so shouldn't have fatigued....
View ArticleAuto bed leveling circuitry for PNP as opposed to NPN (no replies)
I was watching Thomas's guide on auto bed tramming [www.youtube.com] However I purcharsed a PNP sensor as opposed to an NPN sensor... [www.ebay.ca] I'm stuck with this thing now and I'm trying to get...
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