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Any idea why my printer has started doing this?

muntahunta

Any idea why my printer has started doing this?
October 27, 2016 12:59PM

Registered: 9 years ago
Posts: 144

My printers been printing fairly well for a while now, but all of a sudden it has started doing this on the bottom layer.
The bed is level, I could probably lower the nozzle slightly for the first layer but so far that hasnt helped and i've never had addhesion problems with the tape before.

Images attached

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Supermec

Re: Any idea why my printer has started doing this?
October 27, 2016 03:42PM

Registered: 8 years ago
Posts: 181

The blue tape looks fairly hammered. Have you thought about replacing it?

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muntahunta

Re: Any idea why my printer has started doing this?
October 27, 2016 05:48PM

Registered: 9 years ago
Posts: 144

its brand new, it's never failed me before.

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msaeger

Re: Any idea why my printer has started doing this?
October 29, 2016 09:37PM

Registered: 9 years ago
Posts: 430

Looks like it's not sticking maybe you need to get closer to the bed.

Newbie with Folgertech 2020 i3.

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Roger123D

Re: Any idea why my printer has started doing this?
October 29, 2016 10:58PM

Registered: 8 years ago
Posts: 195

i found that the blue tape was lifting off the bed so I stopped using it now use glue on glass especially with petg

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windcalmer

Re: Any idea why my printer has started doing this?
November 01, 2016 07:01PM

Registered: 9 years ago
Posts: 31

One thing that really helped me before I got my heated bed was hooked up was using hair spray. Just a few squirting and then rub it in with a paper towel.

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muntahunta

Re: Any idea why my printer has started doing this?
November 03, 2016 07:03AM

Registered: 9 years ago
Posts: 144

I've got a heated bed, the blue tape is very securely attached, the heated bed is at 50 degrees and i've tried to so close to the bed that the extruder couldnt push filament out.
sad smiley

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Veesta

Re: Any idea why my printer has started doing this?
November 03, 2016 08:55AM

Registered: 8 years ago
Posts: 165

It could be variation in the tape surface properties.
This is just a painters tape. It has tolerances.

Maybe buy another brand? Or just switch to a new roll?

I'd recommend a glue stick for PLA. It is just so easy to print and when print cools down, it just pops off by itself.

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RayC40

Re: Any idea why my printer has started doing this?
November 04, 2016 03:35PM

Registered: 10 years ago
Posts: 28

I print PLA directly on to heated (57C) glass and have done so for about 18 months or more. I always clean the glass with WHITE vinegar and dry with a clean tissue before every print. I used to use Kapton tape but found this much better. Just leave the print until the bed cools down a little and it just falls off every time. Never touch the glass after cleaning and do it EVERY time. It works for me 100% of the time. I hope this helps.

Kind regards

Ray