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Printer makes breaks and strange sounds after some steps

by postmaster11

Hello everybody!
I joined this group to check if somebody came across my current issue with my Duplicator i3. I got one last October and one month later it was my working horse that I could level after 20 prints and go for another 20 - without any issues so far.
Since a few weeks, I noticed that the printer changed it's behaviour: usually, after printing was finished, nozzle was moved up and back to the homepoint pretty quick. Since then, the lifting of the nozzle was significantly slower. However, since this was the only change, I didn't care about.
This morning I started a print and the noticed, that the printer for example prints first layer shell, waits a few seconds (with hot nozzle on the print of course...) and makes a strange sound during this break. As far as I could see, nothing is moving within this time. Then printer prints infill and breaks again. Then moves over to the second part (printed two parts simultanously), same story.
I tried to make a video to make visible what happens:


I found the hex-file for firmware 1.3 and did the upgrade, no change unfortunately. I'm using Cura 4.1 currently, am not sure if the issue started since the upgrade...

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Is there a way to have the part cooling fan turn on and off?

by GetaHobbie

As far as I can tell the hot end fan turns on with the power switch and goes full speed till I switch it back off. I'm used to my other printer that starts up the fan once the hotend reaches 65-70c and turns it off once it cools down.

There's a chance that I have the fan plugged into the wrong port. Ideas?

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First layer not sticking

by eramirez4

I am having trouble with the first layer not sticking and am unable to get any prints be cause of this. I have level my bed and use both painters tape and stick glue, any suggestions? What settings do u have on powerspec cura?

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by tjmackmer

Hey Guys,

Just got this thing up and running and am pretty impressed with it considering I snagged off Ebay for $99 bucks. I was wondering if anyone has a stl for the extruder arm? I have heard a few complaints about it breaking and would like to print a few backups.


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My Wanhao Duplicator I3 Mini Review

by Mcknight

Hey there,

I've had a the Wanhao Duplicator I3 Mini for a week, all in all its quite a good printer. I have found a few issues with it (Mainly with the part cooling fan), So i've written up a review, if anyone would be interested the link is:


I've added a list of mods, I'd like to make.

Anyway if any of your guys have any thoughts / suggestions, I would be very interested :)

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