My Mingda Magician X won't stick prints to plate...

ScottyBGood

ScottyBGood

ScottyBGood

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Joined
20 Sep 2022
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6
Location
United Kingdom
Hi guys - a little frustrated over here getting my prints to stick to the plate.

I can load the filament fine.
I can auto-level the bed fine.
I have cleaned the nozzle with the instructions provided (cleaning filament)
I have cleaned the bed with cold mildly soapy water so there's no previous residue.
I have tried using a glue-stick on the bed.

My PLA templates are 200c for the nozzle and 60c for the bed but have tried several permutations - up to 210c on the nozzle.

I'm getting nowhere and end up non-starter prints everytime, even using the templates they sent with it on the SD card...

Do I have a defective machine or am I doing something categoricially wrong...?

cheers
Scotty
 
If glue stick doesn't work almost certainly the initial Z offset/bed height is suboptimal in my experience.

I've also found putting decorating tape over the bed can work - but you probably want to read up on that before doing it as there can be negatives as well and it is beyond my experience to go into.
 
Post some pictures of your first layer, that will tell us if it's the correct height.

IPA, is also worth have around to clean the bed. What is the bed? Glass, PEI?
 
Thanks for the replies - I've done the simple paper test after auto-leveling so my Z offset appears to be correct.
I've had some mild luck bringing the bed temp up to 85c, nozzle at 200, but the filament still isn't laying down uniformly.
@bulb66 - it's glass and I have bought the tool kit and chemicals to thoroughly clean it i.e. alcohol after twice using warm soapy water and a scraper.
 
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A first layer to close can also cause it not to stick, which is why a picture would help. 85 for PLA really shouldn't be needed.

The only thing with glass beds is they do need a really really good clean sometimes it's just how they come from the manufacture.
 
@bulb66 thank you for your reply - I've thoroughly "factory reset" the bed back to as clean as it was when it first arrived 2 weeks ago.

The bed at 85c then tuned back down to 60 after it's found it's feet seems to have worked. I'm not sure if this is a red-herring or not but I touched a 9v battery onto the plate and weirdly it's sticking nicely now...?

I'm in the middle of a large print and have an additional question...

Would you prefer a new post on the subject of threading (and where would you prefer me to dump pictures)?

Thanks again.

cheers
Scotty
 
**don't worry about responding to the webbing question - I've just bought a digital hydrometer. (Thought it may have been to do with nozzle temp) but the spider webs are apparently because the humidity is too high in my kitchen...)

Thank you all for your help - this post can be closed.
 
I assume you mean stringing ie small strings of filament between parts of the print.

That's caused be a few things, including printing to hot and wet filament.

If you think your parts not sticking to the bed is fixed then no need for pictures.
 
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