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by JeffJordan
Sun Dec 10, 2017 8:45 pm
Forum: Prusa i3 kit - Building, calibrating, first print, maintenance, ...
Topic: life adjust Z - my way
Replies: 296
Views: 36977

Re: life adjust Z - my way

Thanks for the calibration gcode file v4. Worked perfect for me. My first print on the Prusa MK2S. Is it also possible to use this file for Prusa PETG Filament too? Greetings from Austria ehmtech yes, why not. just edit the *.gcode with a text editor and change the values for the hotend and bed tem...
by JeffJordan
Sun Dec 03, 2017 8:29 am
Forum: Original Prusa i3 MK2
Topic: Poor First Layer Quality on First Attempt
Replies: 4
Views: 104

Re: Poor First Layer Quality on First Attempt

the proximity sensor (p.i.n.d.a.) at the prusa is very temperature (and voltage) sensitive. when your second print attempt is fine, it's very likely that the p.i.n.d.a. has been heated up by the heatbed during the first print attempt and got the approximately the same temperature then as during the ...
by JeffJordan
Sat Dec 02, 2017 10:03 pm
Forum: Improvements
Topic: Z Axis. How I Murdered PINDA - NO Regrets
Replies: 13
Views: 691

Re: Z Axis. How I Murdered PINDA - NO Regrets

ermanno.g wrote:
Sat Dec 02, 2017 9:59 pm
... There's plenty of margin.
I've nuked atmega ports with less than 12V through 47kOhm... :cry:
by JeffJordan
Sat Dec 02, 2017 4:50 pm
Forum: Prusa i3 kit - Building, calibrating, first print, maintenance, ...
Topic: life adjust Z - my way
Replies: 296
Views: 36977

Re: life adjust Z - my way

...After several prints I managed to get a 0.2 thick square at - 1.065 mm z adjust. Good strong surface with no stranding... nice :roll: did you manage to reach the point where you choke off extrusion ? you'll get the best adhesion short before the surface of the test square gets rough and dim (ins...
by JeffJordan
Sat Dec 02, 2017 4:13 pm
Forum: Improvements
Topic: Z Axis. How I Murdered PINDA - NO Regrets
Replies: 13
Views: 691

Re: Z Axis. How I Murdered PINDA - NO Regrets

jakub.d wrote:
Sat Dec 02, 2017 4:02 pm
... I don't think you will be able to get a replacement under warranty.
neither do I :mrgreen:

I'm moving it to the "improvement" section, because it's a valid information/idea about improving your printer, regardless of the modell type...
by JeffJordan
Sat Dec 02, 2017 3:46 pm
Forum: Improvements
Topic: Z Axis. How I Murdered PINDA - NO Regrets
Replies: 13
Views: 691

Re: Z Axis. How I Murdered PINDA - NO Regrets

but I think we all have to aggree with ermanno.g about the quality of the contrinex sensors. it's a completely different league when compared to cheap sensors like prusa's p.i.n.d.a. or some chinese LJ8A3-2-Z/BX. that's like comparing a twizzy with an model-x. you'll get professional quality & relia...
by JeffJordan
Sat Dec 02, 2017 11:38 am
Forum: Improvements
Topic: Z Axis. How I Murdered PINDA - NO Regrets
Replies: 13
Views: 691

Re: Z Axis. How I Murdered PINDA - NO Regrets

Hello Fellow Tinkerers. ... :!: :idea: :!: acutally you are going to murder your RAMBo board as well !! when you supply this probe with the 12 V and connect the npn-collector output directly to the RAMBo port, you'll sooner or later fry it if you don't add a diode (anode in direction to the RAMBo b...
by JeffJordan
Fri Dec 01, 2017 8:22 am
Forum: Prusa i3 kit - Building, calibrating, first print, maintenance, ...
Topic: Copper paste to ease nozzle changes?
Replies: 4
Views: 153

Re: Copper paste to ease nozzle changes?

the usage of copper-paste has already been recommended several times here at the forum.
it is mentioned inside tom sanladerers video about nozzles and nozzle-changing as well.
by JeffJordan
Wed Nov 29, 2017 10:55 pm
Forum: Prusa i3 kit - Building, calibrating, first print, maintenance, ...
Topic: Firmware 3.1.0 Query
Replies: 2
Views: 192

Re: Firmware 3.1.0 Query

have you noticed that the actual firmware versions need to be compiled with the actual arduino version (at least 1.8.2, 1.8.5 works fine here) ? only thing you have to do to set it up properly is to add an additional url for the board manager at the preferences menu https://raw.githubusercontent.com...
by JeffJordan
Wed Nov 29, 2017 10:32 am
Forum: Prusa i3 kit - Building, calibrating, first print, maintenance, ...
Topic: Hyperfine bed leveling?
Replies: 237
Views: 13009

Re: Hyperfine bed leveling?

as far as I understood the firmware, the max. correction level might be +/-200µm when using Peter's approach with the G80 command line. my amendment for the menu allows only +/- 99µm. this should normally sufficient. if it isn't, the bed seems to be severely uneven/warped, and I would have a look if...

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