Y Axis Weird Vref (no replies)
Hi, Just started testing a ramps 1.4 with A4988 drivers and while other drivers are fine, the vref on the Y axis varies greatly.. it moves all over the place and up to 5v. Even with another driver I...
View ArticleUSB power only axis not moving? (1 reply)
Hey everyone When you have the ramps connected to the pc, with just usb power.. and connected to Pronterface, and I asking the printer to move the x axis to the right 10mm, but it doesn't move?? Ramps...
View ArticleConverting RAMPS 1.4.2 for 24V (no replies)
I picked up a RAMPS 1.4.2 from GermanRepRap recently and was rather bummed to see that it uses 16V capacitors. I'm looking for the appropriate capacitors to be able to run 24V. I see quite a few on...
View ArticleRAMPS 1.4 issue - Laptop turns off when connecting RAMPS on 12V PSU (no replies)
Just finished the assembly of my Prusa i3 and started dealing with the electronics. I have Sintron clones of RAMPs 1.4 and Arduino ATmega2560 and a 30A 12V power supply. Here is what happened in...
View ArticleRamps 1.4 reboot at preheat pla (no replies)
Dear RepRappers, I think one of the components of my 3d printer might be shorting out when I heat up my printer. During the preheat proces the ramps 1.4 looks like its reboting. Screen goes black and...
View ArticlePrinter only works when USB connected (7 replies)
Hi, I recently moved to a new place, therefore disassebled my kossel, now after putting it back together again, found myself with display issues. Mainly, the Printer will only work when a USB...
View ArticleMega2560 / Prusa - via standard serial port? (1 reply)
Hi Folks! I have an 'old' computer that I wanted to connect to a Reprap via a standard serial port. I have a Prusa i3 (and an older i2) I believe running Sprinter firmware (it may be Marlin - it's...
View ArticleRibon cable extension (no replies)
Looking to extend the ribbon cable that goes from the ramps to screen/encoder to around a meter, will this be ok or will there be an issue with signal lose?
View ArticleNeed help with prusa i3 + ATX PSU (1 reply)
Hello! I had to register here just to make sure couple of things. Im from Finland and I have been wanting to own a 3D printer for quite a while now. Tomorrow im planning on ordering the Prusa i3...
View ArticleRAMPS 1.4 + Mega 2560 Kossel - ZMin Always Triggered (1 reply)
I followed a couple of YouTube guides to get my inductive proximity sensor that came with the Folgertech kit wired. The light correctly turns on in proximity to aluminum and turns off when not in...
View ArticlePowering 30A 12v Heatbed with a mosfet (8 replies)
Hello, So for a custom printer I'm building, I'm using RAMPS 1.4 electronics, and a 300x300mm 12v 30A heatbed. Since I can't use the RAMPS directly for such high current, I bought a couple of mosfets...
View ArticleExtruder motor wont move (1 reply)
I have set up my new machine and have everything working except the extruder motor that hums and locks up when it is told to extrude. I know the motor works because when i plug it into the x axis it...
View ArticleMolten 5amp connector (5 replies)
Dear Colleagues Reprappers, When disassembling my Prusa I3 to build a new Wilson II reprap 1 saw that the connector for the 5 amps fuse had melted. This supriced me because the 11 amps was in perfect...
View ArticleOne Z axis stepper only working in one direction (5 replies)
I have two z axis stepper motors wires together. When I run the test code found here, both z steppers move down as they should, but then only one z stepper moves up. The code should run both motors...
View ArticleMelting Plastic... Not the kind I wanted (2 replies)
I have a ramps 1.4 board that came with the folger tech 2020 kit. Everything has been good for the couple prints that I have been able to make, no major ramps issues. I felt like the bed was heating...
View ArticleHelp with Ramps TX1 and RX1 (4 replies)
Hey everyone Please Help I'd like to use Z-min and Z-max as Tx1 and Rx1 But my Z axis limit switch is on Z-max, I know there a way to change pins, I just don't understand how to do it.. I not using...
View ArticleSD Card Support... (1 reply)
Hey guys, I know there is probably a ton of these on here, but I need some help with my sd card. Everything was all good my first couple prints with it and then all the sudden I do the same process to...
View ArticleMAX6675 not working with RAMPS 1.4 and Marlin (no replies)
Hello RepRap Forums, I'm having trouble with a MAX6675 and K-Type Thermocouple, and RAMPS 1.4. I have followed this instructable to connect it. However, I still have no connection, and the printer...
View ArticleE0 not working on RAMPS 1.4 (5 replies)
I was cleaning my stepper, but when doing that i dropped it on the floor pilling out the cable on the stepper. I then plugged it back in and went to see if it would run. It did not so I checked to see...
View ArticleBoth E pinouts do not work on RAMPS 1.4 (no replies)
I dropped the stepper and it pulled a cable out on the stepper side, then i plugged it in an it did not work i have tried to make it work. (the stepper its self is fine the only problem is when I try...
View Article