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Ultimaker Original Under Extrusion Problem

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Posted · Ultimaker Original Under Extrusion Problem

Hey Guys,

I am having severe under extrusion issues with my Ultimaker Original with heated bed and dual extruder upgrade and I don't find a reason for them. I bought the printer used and at the beginning it did not have these issues. I am having the under extrusion issue on both extruders. I am using original Ultimaker PLA, I have only one spool left, new material will arive tomorrow.

IMG_20170620_231424.thumb.jpg.398ce87644dc5fe492cbaca1d9341a48.jpg

I would say it started since I upgraded to the latest firmware version but I am not sure if that's the reason or if it's just assuming it, because it was in the same time frame.

What did I do to find the problem:

- increased and decreased the hotend temperature (190°C to 210°C)

- check the tension of the extruder spring

- clean the knurled bolt

- changed knurled bolt between extruders

- change the bowden tube

- check the couplers

- check steps/mm settings - they are @836 steps/mm right now

While checking the couplers I found two washers (one on each hotend) between the wooden part and the coupler (see picture). I removed these because I could not find these in the assembly instructions.

IMG_20170621_213754.thumb.jpg.0d285d9c42d5066e3e6fdbd09c6fb741.jpg

Any suggestions how I should proceed?

Greets

Max

IMG_20170620_231424.thumb.jpg.398ce87644dc5fe492cbaca1d9341a48.jpg

IMG_20170621_213754.thumb.jpg.0d285d9c42d5066e3e6fdbd09c6fb741.jpg

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Posted · Ultimaker Original Under Extrusion Problem

Found the problem. The original Ultimaker Filament was just rubbish. Although it was an old roll.

The Filament diameter varied between 2..7mm and 3.3 mm. Just got a few new rolls of DasFilament PETG and PLA and the printer works like a charm.

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