<p>I have a small problem where plastic comes out of the nozzle while the printer is at a standstill (normally towards the end of heating the nozzle for a print), and whilst it moves from the line for clearing the nozzle on the left of the bed (Cura) before the actual print starts. This causes a slight problem where the first few millimetres of the printed line curls upwards when the nozzle comes back around again it goes over it but it causes a slight bump that makes a very small (but noticeable) skip or bump in the print on the bottom layer. </p>

<p>I am using the Ender 3 running Marling 1.1.9 with a Bltouch and a <a href="https://www.amazon.co.uk/Comgrow-Glass-Creality-Printer-Ender-3/dp/B07DSC9TJQ/ref=sr_1_3?ie=UTF8&amp;qid=1543100048&amp;sr=8-3&amp;keywords=ender%203%20glass" rel="nofollow noreferrer">glass bed</a>, I didn't seem to have this problem before I upgraded to the glass bed and Marlin for the Bltouch.</p>

<p>Any help will be greatly appreciated.</p>

This effect is called oozing. At the end of heating up the hot end, left filament becomes so liquid that it oozes out of the nozzle. This left filament could be a left over from the previous print where an insufficient retract prior to the last print finish causes this (you could retract the filament a little further in your "end G-code" script, first reset the E to zero
```
G92 E0
```
and then retract
```
G1 E-3 F1500
```
, be sure that the priming length in your "start G-code" takes care of this distance).