This brush holder, intended for cleaning the nozzle on the JGaurora a5 (a5s) printer, comes with a START gcode script to position the nozzle conveniently for cleaning with the recommended copper brush from AliExpress:

https://nl.aliexpress.com/item/1005005806313906.html?spm=a2g0o.productlist.main.1.4d467f8c4dSZAS&algo_pvid=5067813e-dffc-41d8-bd0c-cf85403cc75b&algo_exp_id=5067813e-dffc-41d8-bd0c-cf85403cc75b-0&pdp_npi=4%40dis%21EUR%214.96%211.79%21%21%2137.93%21%21%40211b80e117026418527932226e518f%2112000034417006618%21sea%21NL%211961544314%21&curPageLogUid=n3FfzJ2VgKX3

Use this GCODE at the start:

; -- START GCODE --

G21 ;set units to millimetres

G90 ;set to absolute positioning

M106 S0 ;set fan speed to zero (turned off)

G28 ;home all axis

M420 S1 ;turn on mesh bed levelling if enabled in firmware

G92 E0 ;zero the extruded length

G1 X0 Y310 Z10 E-5.0 F10000 ;start wipe pos and retract fillement prevent oozing

G1 X30 Y310 Z5 F20000 ;start wipe pos

G1 X0 Y310 Z5 F20000 ;start wipe pos

G1 X30 Y310 Z5 F20000 ;start wipe pos

G1 X0 Y310 Z5 F20000 ;start wipe pos

G1 X30 Y310 Z5 F20000 ;start wipe pos

G1 X0 Y310 Z5 F20000 ;start wipe pos

G1 X30 Y310 Z5 F20000 ;start wipe pos

G1 X0 Y310 Z5 F20000 ;start wipe pos

G1 X30 Y310 Z5 F20000 ;start wipe pos

G1 X0 Y0 Z1 F10000 ;reset pos

G1 Z1 F1000 ;move up slightly

G1 X60.0 Z0 E9.0 F1000.0 ;intro line

G1 X100.0 E21.5 F1000.0 ;continue line

G92 E0 ;zero the extruded length again

; -- end of START GCODE --

Please be cautious while using, as I am not liable for any potential damages to the printer.

Print Settings

Printer Brand:

JGAurora

Printer:

Rafts:

Doesn't Matter

Supports:

Resolution:

.3mm or above

Infill:

Notes:

High temp material, PLA will morph cause of the heated bed

I recommend PET, PETG