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I am a novice to 3D printing and have encountered an issue that I cannot seem to solve. Hopefully someone here can point me in the right direction.

I have a Creality Ender 4 that I purchased a few months ago and up until about 4 weeks ago, it worked great. I had moved it from its original place and in doing so, something became amiss in the firmware as it would no longer heat up the print bed either manually or by sending print commands via USB. The SD card slots would also give errors when trying to print from an SD card. So, after doing some research, I ended up flashing the firmware in hopes that it would reset any of the hiccups I was having.

This both did, and did not, work. I tried MK4Duo, but apparently there was no support for my auto bed leveler and the bed was coming up and hitting the nozzle tip when I tried to print. I switched and uploaded Marlin 1.1.8 which seems to have solved the non-functionality of the auto leveler, but it has caused a new problem that I just can't solve.

Now, when I try to initiate a print, the bed will not raise high enough. It stops, either when I set Z to home, or try to print, at about one quarter of one inch from the tip of the nozzle. Of course, at this point when the print starts, the extruded filament just comes out in mid-air like toothpaste and curls up all over the bed. I can manually push the bed higher to the point it needs to start at, but it still drops too low when I try to print.

I am comfortable enough in using Arduino to try to correct the problem in the firmware (if it is a firmware problem), but I'm just not sure where I need to look or what I need to adjust. If someone would be kind enough to assist me in tracking down some possible places to look, or what might be causing this, I would be extremely grateful! I want to be able to print again!

1 Answer 1

Moving a printer would most likely affect the hardware rather that the software. Unless you have tinkered with the software over USB or loaded an unknown G-code file over SD card that has embedded G-code commands that change your settings.

The most likely solution is that the printer or parts of the printer shifted as such that the printer is not aligned anymore as it used to be. Re-calibrating the machine should fix that for you.