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Adjusting Z axis for cleaning  

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jake.b
(@jake-b)
Active Member
Adjusting Z axis for cleaning

I am new to 3D printing and am wondering how to raise the Z axis to clean the nozzle? For some reason I cannot get it to go above about 10 mm. Does it need to be heated? Any advice would be great thanks!

Postato : 16/04/2016 6:04 pm
Paolo
(@paolo)
Eminent Member
Re: Adjusting Z axis for cleaning

Hi,
I'm a newbie too 😀
You should navigate on the main menu of the LCD screen, select setting, select move axis, select Z and turn the knob klockwise.

Postato : 16/04/2016 8:34 pm
Paolo
(@paolo)
Eminent Member
Re: Adjusting Z axis for cleaning

... and yes there is a specific procedure to clean the nozzle.
Let me find it out... come back asap.

Postato : 16/04/2016 8:38 pm
Paolo
(@paolo)
Eminent Member
Re: Adjusting Z axis for cleaning

... that is from the manual:

10.3 Nozzle cleaning
● Use a wire brush to clean the nozzle from outside. Heat the nozzle before you do so.
● If filament is not extruded from a nozzle or in very small volume, check first the extruder fan is working properly and the temperature is set correctly (PLA 210 °C; ABS 255 °C, HIPS 220 °C, PET 240 °C). Also check filament was loaded into the extruder and wasn’t stuck before the nozzle .
● If the filament pours out at least a little, check its direction. If it swirls and goes up to the hotend you need to clean the nozzle .
● First you have to move the extruder to the rightmost position, out of the heatbed to reach the nozzle from below.
● Heat the nozzle according to filament you want to print from, load the filament and put a thin wire (0,30,35 mm) into the nozzle from below between 1 and 2 cm deep.
● Choose Load filament option for the LCD menu and check if filament is extruded properly .
● Put the thin wire to the nozzle again and repeat these steps few times more. When filament is extruded properly , nozzle is clear.

Postato : 16/04/2016 8:48 pm
Paolo
(@paolo)
Eminent Member
Re: Adjusting Z axis for cleaning

http://www.prusa3d.com/wp-content/uploads/Prusa-i3-manual-1.75-en.pdf#_ga=1.235788865.1910253430.1460663937

Postato : 16/04/2016 8:54 pm
jake.b
(@jake-b)
Active Member
Topic starter answered:
Re: Adjusting Z axis for cleaning

Thank you very much for the replies. Very helpful!

Postato : 16/04/2016 9:52 pm
PJR
 PJR
(@pjr)
Antient Member Moderator
Re: Adjusting Z axis for cleaning

Hi Jake

I find this method works best for me (from step 3): https://ultimaker.com/en/resources/149-atomic-method

Peter

Please note: I do not have any affiliation with Prusa Research. Any advices given are offered in good faith. It is your responsibility to ensure that by following my advice you do not suffer or cause injury, damage…

Postato : 16/04/2016 10:25 pm
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