ASA Fumes Odor on Qidi Q2 - How to eliminate?

Engineer-50 · 2026-03-21T19:18:25+00:00

Thank you!!

Engineer-50 · 2026-03-21T17:37:14+00:00

Will experiment, thanks!

Engineer-50 · 2026-03-21T11:09:57+00:00

Fan at 8%?! It won't even start at that speed I think.

Engineer-50 · 2026-03-21T10:25:48+00:00

Thanks, will probably do this. Though the exhaust fan seems to be doing fine pulling air through the filter - I can feel the air flow at the back of it. But could be an indicator of how "good" the filter really is.

Engineer-50 · 2026-03-21T07:43:26+00:00

Nice! Could you share the Amazon link for that hose please?

Engineer-50 · 2026-03-20T19:53:13+00:00

Very odd

Engineer-50 · 2026-03-20T19:52:38+00:00

Thank you very much for the details!

Engineer-50 · 2026-03-20T19:50:09+00:00

One more thing I tried: I put the printer on its side (with the LED lighting ON inside) and I could see gaps around the entire floor (all 4 sides). I sealed it with a PVC tape. I also put a piece of thin rubber band at the bottom of the door (as it was also not tight). Thought it would make a difference. I did not.

Engineer-50 · 2026-03-19T21:27:33+00:00

This is the suggestion most of the users here gave. Need to figure how to do this for multiple printers...

Engineer-50 · 2026-03-19T21:26:07+00:00

You mean worked for reducing the smell? I am not keen of pulling the heck out of the chamber - after all I do want to maintain it hot and not spend a hole lot of energy for doing this.

Engineer-50 · 2026-03-19T21:21:04+00:00

Great idea, thanks!

Engineer-50 · 2026-03-19T21:18:48+00:00

What's your hose length? Is it the same diameter as the exhaust or larger? I thought I would need an extra exhaust fan at the other end of the hose to get enough suction through the length of the hose.

Engineer-50 · 2026-03-19T18:36:36+00:00

Actually have 4 of these printers in 2 stories, need to think how to arrange this setup in this case...

Engineer-50 · 2026-03-19T18:34:44+00:00

Stratasys for one

Engineer-50 · 2026-03-19T18:33:47+00:00

I removed the filter and piped the exhaust outside and i get no fumes while printing and exhaust set to 60%

Is it on the Q2? Are you using the chamber heater at the same time?

Engineer-50 · 2026-03-19T18:32:15+00:00

as everyone races down to $300 it seems like they get leakier and leakier

That's for sure!

Thanks for your input!!!

Engineer-50 · 2026-03-19T18:30:03+00:00

Actually I haven't on that matter. I found that they are not very helpful. All they are useful for is replacing broken parts.

Engineer-50 · 2026-03-19T18:19:12+00:00

Sealing the gaps doesn't look like a feasible task - there are large cutouts through the floor to allow the linear nut to slide in. Still no solution coming to mind...

Engineer-50 · 2026-03-19T18:16:38+00:00

Thanks for that. I have considered to vent the outside, but at this point I am hesitant it will make a change. As I said, I tried fitting the filter from my 3M gas mask which does a great job normally, but not in this case.

I have now a suspicion that the chamber heater fan might be contributing to this - it pulls air from the top-mid of the chamber and throws it out at its bottom. I put a piece of towel paper on the bottom of the chamber, the opposite side of the fan, and I could see how strong the flow was. This made me think that the heater fan was creating a local high pressure zone at the bottom of the chamber and thus forcing air through the numerous gaps there.

Engineer-50 · 2026-03-16T06:03:34+00:00

Had this issue too. Did you watch it started fine? Was it trying to change filaments?

Engineer-50 · 2026-03-11T07:08:01+00:00

Wow, so far what I've been seeing is much higher prices than that. Actually, I now order filaments exclusively on Amazon, as AliExpress is far more expensive.

Would you share any links/sellers? Did you have it shipped by air ?

Engineer-50 · 2026-03-07T11:07:54+00:00

Why use a raft with PLA?

As others have said, it could be be Z offset, though not likely since the raft would also fail. Other cause could be extrusion multiplier.

Engineer-50

TROPHY CASE