What solution is there for this problem? I think it needs a G-code to reset the machine to the initial state, or to reset the offset for X and Y position, so that the next time the print starts on the print plate again where it should? Or is it a technical problem where the mechanics shift?
Right from the start, my X1C printed at a slight angle on the plate. Now the print head got stuck once in the middle of printing. Since then, the print on the plate is no longer skewed, but looks very straight in the X-axis. However, something has shifted in Y. The rear printed line on the plate hangs exactly on the outer edge.
In the past, there have been cases where printing off the edge has been found to be due to a bent print nozzle. I’m not saying that is your problem but it may be worth a look. It can be hard to see if its bent front to back, you may have to use a mirror or your phone’s selfie camera to see it.
Also, if you’ve ever printed something from Makersworld, check to make sure the printer shown in the upper left of Bambu slicer matches your printer. I’ve have things from Makersworld switch my printer to the A1 Mini which doesn’t play well with my X1C.
Edit: I didn’t see the picture until I hit submit. My printer has always printed that line right on the edge. you can almost catch it with a finger nail.
I’ll have a look at the nozzle. Thanks for the tip! With the approx. 2.5mm or a little more, that should be visible. But if the nozzle is at an angle, why should the entire pressure be not an angle? Or if the nozzle is straight, is the entire pressure in the X-axis skewed, or slightly twisted around the Z-axis?
I had the same symptom, due to a nozzle bent so far backwards that the flushing was dangling off the back of the bed.
For an inexplicable reason, the empty bed was lifted into the nozzle when the print head was at the back, then the print head was moved all the way to the front, and along the front to the right, scoring a long L-shaped groove in the build plate.
Bambu Lab replaced the entire hotend and plate under warranty without blinking, within three days, after reviewing the photos and video.
I have repaired it halfway. Must be done with a great deal of sensitivity. At some point there comes a point where it feels like the nozzle goes back in the opposite direction as smooth as butter. I didn’t want to bend it back too much. It could break if I bend it too far in the opposite direction. I also don’t know whether it was 100% straight originally. I have already seen that even new nozzles are not always exactly straight in relation to the print bed after a change.
If it’s still not straight, then you should start checking the mountings and alignment of the entire gantry, print head, extruder, not just the hot end or nozzle. Use an accurate set square and the print bed as a reference (assuming it is “level”).
That said, I doubt very much that the gantry is misaligned, as it is stronger than the hot end’s heat break, which is likely to be the part that bends/fails/breaks first. Same for the print head / extruder, but worth measuring carefully.
Even if the nozzle heat break is bent, it can still print surprisingly well.
That might be a good idea, thx, but I don’t have anything like that here, the workshop is in my house, 30 minutes’ drive away, I’m only here in my second home.
That does look better but one thing to be aware of is that the aluminum tube is pressed into the heat sink at manufature. If the original bend or your repair has loosened the bond between tube and heat sink, it is possible for the extruder to push the nozzle out of the heat sink. That leads straight away to a bad day.
It prints well. All afternoon already. Can’t see any difference now. With the CR-20 / Ender, the hotend was often messed up because something was pushing out somewhere at the screw connection. I haven’t experienced that with the X1 yet. I hope it stays that way! These are things you have to be able to rely on.
For the time being, I can continue printing with peace of mind. My points account is being checked first because I’ve already redeemed points twice this month. I wanted to order a new hotend. If necessary, I still have an old nozzle, but I’ll have to build the thermistor on this thing. I didn’t feel like doing that now
Hi, i have a similar issue. It happens on both A1 printers. After printing aprox 1cm in z-axis i can see a y-offset (backwards) of aprox. 0.3 to 0.5mm. It happende already 2 months ago on both printers (it was after a software update. I doubt that here is a mechanical issue on both machines and the offset is visible after printin aprox 1-2 hrs (also on both machines).
Both A1 printers are affected by the heatbed callback situation - may the heatbed callback could be the issue? Thanks in advance. I change now the nozzle and try it again.
The only thing I can offer is that that type of infill is known for being noisy due to the nozzle hitting it. Whether it’s enough to make the print be offset, I don’t know. You may want to try using a different infill and posting your question in the A1 forum. The site says this post will be closed two days after the last response as it’s been marked solved so it may be closed before you get an answer.
I’ll try other infill and then may post in a other forum