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Filament sensor actually works?.....NOPE  

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Joe Prints
(@joe-prints)
Estimable Member
Filament sensor actually works?.....NOPE

Well... after "printing" PETG all night, I wake up to a clicking extruder..... the filament sensor( which was on) did not sense the nozzle jam. There was also no recognition of the extruder skipping steps for 7 hours. What is the point of having the sensor if all it does is auto load filament?

This machine constantly pisses me off...... thanks Prusa, you have definitely lost a customer for life and will not be recommended by me to anyone.

Anything can be made better
https://www.myminifactory.com/users/Joe%20Prints...
Posted : 04/05/2018 12:56 pm
Erik
 Erik
(@erik-3)
Estimable Member
Re: Filament sensor actually works?.....NOPE

While I agree they should have used a better sensor (or software?) to detect that the filament is there, but not moving, I can't say that it will cause me to never buy from them again. Seems kind of petty that a quality of life feature is a deal breaker on an otherwise great machine.

Posted : 04/05/2018 1:52 pm
Joe Prints
(@joe-prints)
Estimable Member
Topic starter answered:
Re: Filament sensor actually works?.....NOPE

Seems kind of petty that a quality of life feature is a deal breaker on an otherwise great machine.
Your machine may be great for you, and that's awesome. However, my MK2S is by far the better machine in my instance out of the two.
It is really more than the "quality of life features".... it is the fact that this machine was released way too early to the public. If you like to tinker and value your time so little that you don't mind working on the damn thing or troubleshooting often.... then by all means buy a MK3.

I, however ...have little free time... and it is valuable to me

Anything can be made better
https://www.myminifactory.com/users/Joe%20Prints...
Posted : 04/05/2018 2:00 pm
jake.m3
(@jake-m3)
Eminent Member
Re: Filament sensor actually works?.....NOPE

That feature is not enabled yet

...
Posted : 04/05/2018 2:36 pm
eric.d14
(@eric-d14)
Eminent Member
Re: Filament sensor actually works?.....NOPE

So what printer with a flawless filament sensor would you recommend?

And clearly you'll be selling off your mk3 at a massive discount since you've lost all confidence in such a "crap" printer, right?

Posted : 04/05/2018 5:16 pm
Jerry
(@jerry)
Estimable Member
Re: Filament sensor actually works?.....NOPE

I only trust the senor to tell me if the filament is there or not. Not if it is moving or standing still.

Posted : 04/05/2018 8:28 pm
Joe Prints
(@joe-prints)
Estimable Member
Topic starter answered:
Re: Filament sensor actually works?.....NOPE

And clearly you'll be selling off your mk3 at a massive discount since you've lost all confidence in such a "crap" printer, right?

How could I, as an honest man.... sell a mediocre piece of equipment?.... I wouldn't buy a machine if I knew it had enough problems that it makes the machine a partial paperweight.

It just went on the shelf in the garage attic until PR can figure out how to run the machine correctly as advertised.... possibly the end of next year?

My MK2S has a 2.5 upgrade on order.... that will sit in the box next to the Mock3....again....until PR figures out the firmware.

Bottom line- Don't advertise what you cannot supply... especially when the machine isn't even up to par with it's predecessor

Anything can be made better
https://www.myminifactory.com/users/Joe%20Prints...
Posted : 05/05/2018 12:50 am
matthew.m20
(@matthew-m20)
Active Member
Re: Filament sensor actually works?.....NOPE

The real question is, what "superior" printer are you using that you're willing to shelf a MK3 because of a filament jam not detected? I can only think of a couple dramatically more expensive printers that offer equivalent featuresets.

It's fine to be upset that jam detection isn't enabled yet, but saying the printer is bad because of it is just a joke, because even without it, it still has dramatically more safety and usability features than any printer in its price range.

Posted : 05/05/2018 6:01 am
Nikolai
(@nikolai)
Noble Member
Re: Filament sensor actually works?.....NOPE

ironjoe just venting his anger about?.... Nothing
I can't take this post seriously. Complaining about MK3 and at the same time upgrading his MK2S to MK2.5 ...
If you're so upset about Prusa Printers and PR, just sell your equipment and get a different one. I'm pretty sure for MK2S, MK2.5 upgrade and MK3 you can get a used Ultimaker 2/3

Often linked posts:
Going small with MMU2
Real Multi Material
My prints on Instagram...
Posted : 05/05/2018 7:21 am
rob.l6
(@rob-l6)
Honorable Member
Re: Filament sensor actually works?.....NOPE


This machine constantly pisses me off......

If that's all it takes to get you pissed then you must spend your entire life angry.

...
Posted : 05/05/2018 7:25 am
eric.k4
(@eric-k4)
Reputable Member
Re: Filament sensor actually works?.....NOPE


ironjoe just venting his anger about?.... Nothing
I can't take this post seriously. Complaining about MK3 and at the same time upgrading his MK2S to MK2.5 ...
If you're so upset about Prusa Printers and PR, just sell your equipment and get a different one. I'm pretty sure for MK2S, MK2.5 upgrade and MK3 you can get a used Ultimaker 2/3

eh, this is news to me too... it's disabled? what's the point then? also the duet wifi guys have a magnetic encoder filament sensor in beta. they've actually tested the same sensor that prusa uses and found it unreliable at specific speeds and glossiness/color of filament. course the magnetic one is slightly more complex since it's more mechanical but zero false positives.

I also got my 2.5 upgrade, but it's shelved... look at github issues. it won't be until at least things are sorted before i give up the reliability of the mk2s as it is. so he has a point.... seems like things have gotten messy with the firmware.... and since the filament sensor probably don't work for 2.5 it makes the upgrade slightly more useless until it does. hopefully the pinda v2 works.

Posted : 05/05/2018 7:50 am
Joe Prints
(@joe-prints)
Estimable Member
Topic starter answered:
Re: Filament sensor actually works?.....NOPE

Wow, so I am the bad guy for expecting a machine to work as advertised.... What a wonderful world we live in.
I have owned and operated a construction business for a number of years now- and I am expected to do my job correctly and precisely...every time, everyday.
It just amazes me that people are ok with a faulty machine, and just wait patiently for the king and PR to grace them with another FW update, and another one... and another one.... all with varying degrees of success.... while the minions grovel at their feet.

So Rob and Nikolai, when you buy a product you don't expect it to work as advertised?

FYI- the MK2.5 kit has been on order since early January. It is not as if I started running the Mock3 and was so excited to troubleshoot the thing that I thought- maybe I should take this perfectly usable MK2 and make it an unreliable MK2.5

I love my MK2S, it has never let me down... but the Mock3 was the last machine I bought from PR.

Anything can be made better
https://www.myminifactory.com/users/Joe%20Prints...
Posted : 05/05/2018 12:57 pm
sean.h8
(@sean-h8)
Honorable Member
Re: Filament sensor actually works?.....NOPE

I love trolling... lighting the fuse... Assisting unhappy people.

First: Seriously. Calm down.

Second: You own your own construction buisness. Congrats. When one of your guys drops a saw through the celing, and destroys a 50 year old oak floor, Do you get upset at having to replace a 10,000$ floor? And celeing? Do you Take whatever brand that saw was and say "This saw just cost me 10,000$, I'm never gonna buy another one!" What do you do when the joint work on the celing fails after 6 months, and a HUGE crack appears in the celing of the customers house, and he demands it be repaired. Correctly this time. Do you change the brand of tape you have been using for years?

If the mk3 has made you upset, you seriously need to de-stress your life dude.

If you do not have time to mess with making a 3D printer work right, I would advise you to look into a 3D printer that comes with a service contract. Where if it has problems, you simply call the company, and they fly someone to your house to fix it. These printers do cost a little bit more than the printers most of us on here are familar with, but it's well worth it if you don't have the time.
They generally range 50,000$ per printer, and up, and the service contracts generally start at about 20,000$ per year. But that way, you will simply tell your printer to "print" and it will "print". IF it has a problem, you let them deal with it.
For someone such as yourself who runs their own construction company, a cost like that might be a bit hard to accept, but I agree. Your free time is worth it.

Honestly, if your mk3 is yeilding poor results compared to your mk2s, I am gonna go out on a limb, and guess it's user error, as most of us at the "leading edge" of tuning, have the mk3, running on par with the mk2s, minus a few issues still left to iron out.

When I slow my mk3 down, put a small nozzle on it, and say "give me the detail". It complies.

As I always said at my old job.

You can't fix OE.

Hi, I'm Sean. I used to work on CNC machines.
I try to not make mistakes, but the decision is YOURS.
Please feel free to donate to my filament/maintance fund....
Posted : 05/05/2018 4:31 pm
Nikolai
(@nikolai)
Noble Member
Re: Filament sensor actually works?.....NOPE


So Rob and Nikolai, when you buy a product you don't expect it to work as advertised?

I'm pretty sure the antivibration feets are bothering you as-well. They fall off all the time ...
Seriously, if the product doesn't satisfy you and doesn't work for you, switch! No need to waste time in the forum explaining how the world should look like.

Often linked posts:
Going small with MMU2
Real Multi Material
My prints on Instagram...
Posted : 05/05/2018 5:47 pm
PJR
 PJR
(@pjr)
Moderator
Re: Filament sensor actually works?.....NOPE

OK, I think everyone has said enough to get their points across on this thread and I really don't want it to turn nasty.

I fully understand the point the OP wanted to make (been there, done that) and I fully understand that some took exception to the OP's point of view.

I believe that the level of expectation that PR have (once again) built doesn't help here.

So please if you haven't got anything good to say, please don't say anything, otherwise I will lock the thread.

Thanks for your understanding.

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…...
Posted : 05/05/2018 7:10 pm
john.d36
(@john-d36)
Active Member
Re: Filament sensor actually works?.....NOPE


Well... after "printing" PETG all night, I wake up to a clicking extruder..... the filament sensor( which was on) did not sense the nozzle jam. There was also no recognition of the extruder skipping steps for 7 hours. What is the point of having the sensor if all it does is auto load filament?

This machine constantly pisses me off...... thanks Prusa, you have definitely lost a customer for life and will not be recommended by me to anyone.

I think you have a valid point. The only quibble is that I'd note for people doing research into printers is that you can currently get an MK2s from Prusa in less two weeks, and it is largely plug and play. (It seems like you would agree with this as well.) This is what I did and I'm very happy with the decision. It comes as close to any similar tech stuff I've had to "just working". I'm sure I could tinker with it more to get even better results, but it is really quite good as is.

Does the MK3 roll out have issues? For sure. How they ultimately respond to the issues is what should really matter to customers though.

Posted : 05/05/2018 7:36 pm
eric.k4
(@eric-k4)
Reputable Member
Re: Filament sensor actually works?.....NOPE


I love trolling... lighting the fuse... Assisting unhappy people.

Honestly, if your mk3 is yeilding poor results compared to your mk2s, I am gonna go out on a limb, and guess it's user error, as most of us at the "leading edge" of tuning, have the mk3, running on par with the mk2s, minus a few issues still left to iron out.

When I slow my mk3 down, put a small nozzle on it, and say "give me the detail". It complies.

As I always said at my old job.

You can't fix OE.

So you had to "tune" the mk3 just to get it to print like mk2s and don't see that as a problem? lol

Posted : 05/05/2018 10:18 pm
sean.h8
(@sean-h8)
Honorable Member
Re: Filament sensor actually works?.....NOPE



So you had to "tune" the mk3 just to get it to print like mk2s and don't see that as a problem? lol

My old job was to tune 200,000$ machines.

Trust me. Compared to 3D printing nerds, in-tuned mk2s review, i would put my Mk3 in a different league compared to that.

Do I see that as a problem? No.

Would you buy a 60,000$ Ultima GTR pre-assembled, and expect it to compare with a 2 million dollar Koeinsegg? Without custom tuning the transmission, timing, fuel to air, etc?

People cry their 60,000$ Ultima can't keep u with a 200,000$ Ferrari, and blame both Ultima, and the assembly company. A kit is a kit. I held off getting a printer before the Mk3, because I was afraid they would be too advanced, reading the Mk2 forums, full of guys who couldn't get it to work at all.

Hindsight, I shouldn't have waited.

All that I'm saying is. Yes. The mk3 is a new printer platform, and pre-built profiles are limited, and many are flawed. This is to be expected from a RepRap community company. Go google reprap. Its where you go make your own printers, from... Well, printers.
Go google hackerspace. That's where reprap came from. It's where you take things, and build things out of them. Regardless of success. It's more about ideas, than success.

Any company in the world that says. "Anyone can use it." Is lying.

I don't feel like finding it, but there's a video of Joe saying that 3d printers are NOT user friendly, and that's where the community needs to go.

Basically saying there's no such thing as a user friendly printer. And I totally agree.

I'm sorry that working on advanced CNC machines is complex. I enjoy it.

But on a serious level, a 150,000$ Tsugami Lathe is easier to tune and more straight forward. The issue is the complexities in extruding plastic. It's not simple. And until someone writes an AI to be the engineer, and monitor the printer, it's not going to be easy for the average jo.

@PJR I'm trying to keep my nose clean on this one. If you feel it's accusational please delete the post. I'm not trying to start an argument with this one.

Hi, I'm Sean. I used to work on CNC machines.
I try to not make mistakes, but the decision is YOURS.
Please feel free to donate to my filament/maintance fund....
Posted : 06/05/2018 12:43 am
Joe Prints
(@joe-prints)
Estimable Member
Topic starter answered:
Re: Filament sensor actually works?.....NOPE

I'm pretty sure the antivibration feets are bothering you as-well. They fall off all the time ...
Actually... yes. You can find my design here---> https://www.thingiverse.com/thing:2800812

Anything can be made better
https://www.myminifactory.com/users/Joe%20Prints...
Posted : 06/05/2018 3:34 am
tomp
 tomp
(@tomp)
Active Member
Re: Filament sensor actually works?.....NOPE

when you buy a product you don't expect it to work as advertised?

Well, I do. That is why I am canceling my second MK3 order.

Look at the e-shop. There are 9 innovations of MK3 compared to MK2. Most of them are just PR lies.

  • Removable heatbed - according to Czech e-shop, they offer 3 types (actually in the English e-shop, this is corrected) - lie.

  • Quieter printing - yes if you are not in 110 V country and your power supply does not do an annoying noise or does not catch fire.

  • Faster printing with Trinamic2130 drivers - yes, but the print quality is far from the MK2 at same speed.

  • Filament sensor detecting the movement - disabled, does not work.

  • Layer shift detection - nice, but I know many people that have more problems with layer shifts than with MK2.

  • PINDA with temperature compensation - the compensation does not work, actually I read that it is disabled in new firmware.
  • According to Czech law, you could get a discount if a product is not as advertised. Might be worth asking Prusa 😆

    Posted : 06/05/2018 8:02 am
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