Having a few problems with my first layer fill.

Having a few problems with my first layer fill. Edges go down fine but fill seems to get rucked up.

Any ideas?

What size nozzle you using? That first outline is very big and wide.

What size nozzle you using? That outline is very big and wide.

0.5mm that’s two skirts layed down

That might be an overextrusion issue - have you calibrated your extruder? 
Also, is your nozzle too low? You can easily check that by measuring one of the outline’s thickness with calipers, if it’s significantly below the layer height you set for your first layer, you’re too low.

Not yet but been printing fine with different colour and including this green before.

Just re going through everything to double check.

Checked hot end nozzel for any rubbish etc and now just releveling bed

How does the rest of the print look? If after a few layers, the print looks good, you’re probably just starting too close to the bed – raise your starting Z height, either in the slicer or by adjusting the Z-limit/bed-height.

If the print looks progressively worse as it builds up, then as @Thomas_Sanladerer has pointed out, it’s likely to be over-extrusion.

Even at 2 it is to much, better calibrate as @Thomas_Sanladerer suggests.

@Joseph_Chiu 2nd goes down fine. I’ll adjust z and then calibrate extrusion. Thanks everyone

Your PLA/ABS feed is to high. Calibrate your feedrate. Be really sure that your nozzle is the size you think it is.

Will post an update later, thanks for help so far

.3mm out over 100mm length. Firmware steps modified

@Chris_Lee_chimpusmax did you set them to anything other than the ideal, calculated value?

I note that each filament colour can need different temps and feed rates, in the UK Faberbashery are the most consistent in temp vs colour, but cheaper suppliers are far more random.

I have been printing pretty well till i had a blockage between changing filament. This required me to take my hot end off the machine and clean it out.

Since reassembly and calibration i have struggled to get a good first layer. I have calibrated the filament, calibrated z as well but still get issues with either the nozzle dragging up when it changes direction and issues with fill.

At the moment i have taken the bed off and reapplying a fresh layer of tape. I will then relevel the bed and see.

This is clearly a problem of starting the first layer too close to the platform. Adjust your Z endstop.

@Chris_Lee_chimpusmax so you’ve set steps/mm to some empirically determined value? That is pretty much a guarantee to run into some other odd issues afterwards.

@Thomas_Sanladerer is right. If your steps/mm settings are calculated from screw pitch and (micro)steps/rev and the height of your print doesn’t match the model, that’s a mechanical problem that needs to be dealt with as such. If you try to compensate by changing the steps/mm, you’re making a multiplicative “correction” for what is probably an additive/subtractive error.