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With some technical filaments i had sometimes the problem that the printer will fail at the \u201cCleaning Nozzle\u201d stage due to the oozing or harder materials. Solutions like drying filament did not work out.

As a lot of other printers using a wiper to get rid of all nozzle debris i created a wiper which attaches to the bed holder. Its using the brushes from the BL A1 as they are super cheap to get from aliexpress/amazon.

Warning: You will loose 1mm of Y Travel at the X location of the brush due to the part cooling fan.

As this was designed very quick and dirty there is for sure a way to get full travel. Possible Remixes? :-)

Hardware needed.

M3x8 Screw
A1 silicone Wiper
Printed part

Install:

Put the silicone on the printed part
Screw the wiper on the bed holder (see picture). You just screw it into the plastic. .step file attached if you want to use a heat insert
Change Slicer Start G-code

from:

G29 P9 X208 Y-2.5 W32 H4

to:

;G29 P9 X208 Y-2.5 W32 H4 ; original nozzle cleaning method\nG0 X40  Y-14 Z2.5 F10000;\nG0 X76 Y-18 Z2.5 F10000;\nG0 X40  Y-14 Z2.5 F10000;\nG0 X76 Y-18 Z2.5 F10000;\nG0 X40  Y-14 Z2.5 F10000;

Please double check the postions with manually moving the toolhead via the LCD

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Prusa Core One Wiper

Model files

CoreONE_Wiper_A1_v0.step

CoreONE_Wiper_A1_v0.step

Model origin

License