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HKOCH
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MK3S - New printer model

Feb 12, 2019 11:35 am

What is this ?

What changes has been done since MK3?
Trust me, i'm an engineer !

PRUSA: Always do your best. What you plant now, you will harvest later

john.d56
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Re: MK3S - New printer model

Feb 12, 2019 11:56 am

No idea, but as my printer arrived a few days ago it's mostly irritating.

Sarf2k4
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Re: MK3S - New printer model

Feb 12, 2019 2:57 pm

you can get the upgrade https://shop.prusa3d.com/en/printer-upg ... nted_parts, pretty much costly though and I'm not sure what is the optical sensor gonna look like

daniel.w58
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Re: MK3S - New printer model

Feb 12, 2019 3:48 pm

no... is worse than the mk3.... if you upgrade de mk2.5 to mk3 to have two options... mk3s is the cheapone

daniel.w58
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Re: MK3S - New printer model

Feb 12, 2019 3:48 pm

no... is worse than the mk3.... if you upgrade de mk2.5 to mk3 to have two options... mk3s is the cheapone


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christopher.e8
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Re: MK3S - New printer model

Feb 12, 2019 7:37 pm

Bummer, I just missed the cutoff for the voucher. Mine shipped Jan2 this year. Oh, well. Only $20, not that big of a deal.

I'm guessing that they finally have given up on trying to use the filament sensor as feedback that the filament is moving. Should have worked in theory since the sensor is basically a laser mouse sensor, but (as anyone who has worked in experimental science knows) sometimes reality and theory don't get along. Though I wonder if the lack of any focusing elements played a part in that feature's failure. (Look at any optical mouse, there are lenses.) Too late to know since they have apparently given up on it.

Ordering for the upgrade kit opens up tomorrow (2019-02-13).

vintagepc
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Re: MK3S - New printer model

Feb 12, 2019 7:49 pm

Yeah, my own printer was only a month old from its first print when the 3S stuff started cropping up.

I mean, I get products improve... it's not a major change but I'd definitely have waited a month if I knew a "larger" part revision and design was on the way.

Guess I can't complain as I'd always planned to do the bearing mod if the existing sensor gave me any issues. So I'm mostly just interested in the revised extruder design for easier servicing. But annoyed because it can't be done without also changing the sensor - so I'd have to either buy the upgrade or wait until someone remixes the parts. $20's not a big deal, it's the fact that shipping is gonna cost more than the upgrade :x

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christopher.e8
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Re: MK3S - New printer model

Feb 12, 2019 8:54 pm

vintagepc wrote:
Feb 12, 2019 7:49 pm
$20's not a big deal, it's the fact that shipping is gonna cost more than the upgrade :x
True that. I may opt for the $40 option with the factory printed parts. I have the filament for printing my own parts (Prusament PETG Black and Orange), but I have other things that I want to print for myself instead of for the printer. ;-)

Still going a wash compared to shipping... :lol:

ryan.m54
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Re: MK3S - New printer model

Feb 12, 2019 10:51 pm

Pretty bummed--I just recieved my assembled mk3 and already had to disassemble it twice trying to fix poor factory assembly/calibration/component QA. I'll now have to do it again to replace the bearings and now to do the mk3s upgrades.

Complete waste of $250.

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