Standard PLA flow rate at 95 % ?
Hard / Software:
Prusa I3 MK3,
Slic3r (Prusa ed) 1.40.1 + win64
Firmware: MK3_3_3_1 (The last known, I updated by hand!)
I´m really not sure how or when this happend.
I got a new computer and installed all the software
from the ground at about the same time the issu
came up.
No idea if that was/is part of my problem, just to
mention it...
I had trouble with the first layer. The single lines where
not close enough together to build a smooth surface.
It looked like the flow rate of the PLA material was to low.
So I had a look at the printers config (tune -> flow)
the setting was 95 %.
On (the new version of) slic3r, I imported the settings I figured out
from the pev. version. I looks, it did not changed (Flow rate 100%)
Each time I slice a file and load it on the printer, is has a flow rate of 95%
in the printers settings.
It looks like, this only occure with PLA.
Is it possible to change that permanently back to 100% ?
Any suggestions, what went wrong?
Thank you
Stefan
Re: Standard PLA flow rate at 95 % ?
It is a setting in Slic3rPE. Take a look at Printer Settings->Custom G-Code->Start G-Code and you'll see a line that contains:
M221 S{if layer_height==0.05}100{else}95{endif}
It's intentional. If you search on this issue (there have been many threads on it), you'll come across a post by JP himself explaining that it was to compensate for Slic3r over-extruding. Other discussions specifically point it to end-of-line over-extrusion. You can edit that line out if it's bothering you, or just adjust your multiplier accordingly. I personally am leaving the line in because that's what the Prusa profiles are based on. YMMV.
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Re: Standard PLA flow rate at 95 % ?
It is a setting in Slic3rPE. Take a look at Printer Settings->Custom G-Code->Start G-Code and you'll see a line that contains:
Jepp,
thank you. I found that entry and changed it.
If this entry exists for some time however, I
probably have another problem.
That under extrusion happened suddenly.
Clean extruder, sharp pulley, same filament
roll I used before the problem...
Lets see, what happens.
Again, thank you - you saved my day.
Stefan