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Layer adhesion issues

by CBocka

Hello Everyone,
So i recently started having this problem with my UMO+ and I've tried everything. The issue is my layer adhesion in the infill layers. The top and bottom layers are turning out perfect but once it starts printing the infill layers they just dont adhere to eachother. I've tried adjusting flow rate, feed rate, layer height, higher nozzle temps, but I'm stuck. The issue seems to be getting worse too, the parts I am printing are so weak in the center that the last one actually pulled in half when i was removing it from the print bed, and I was using very little force. I am having this problem with both PLA and CPE.

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Bed raising beyond end of screw

by juntti99

I'm trying to diagnose an issue where the bed of an UM2+ tries to raise the bed beyond the end of the Z screw resulting in a severely unpleasant noise and inability to print. I'm leaning towards this being an issue with the firmware as i have checked the Z-end stop and the printer being placed together with two UM2 extended printers flashing the wrong firmware feels like a easy mistake to make. (Though i don' t know if there are checks in place to prevent this mistake.)I wanted to get a second opinion however and see if anyone had experienced this issue before? I also haven' t found any mention of this issue googling which has me stumped.

Any help is welcome. Thanks in advance.

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Repair recommendations?

by FuzzySadist

Hi everyone, I have a basic Ultimaker 2, had it for a few years... a few months ago, it started binding when it tried to start up... I'm not confident enough to pull it apart and try to figure out the mechanics (which is why I bought a prebuilt in the first place)... any recommendation of repair services? I live in Washington state... any help figuring out how to fix my very expensive paperweight would be much appreciated :)

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Hot end cartridge heater voltage

by CBocka

Hello everyone,
I own an UMO+ and I am trying to figure out if the hot end heater is 12v or 24v, It seems so simple yet i havent been able to find the specs. please let me know.

Thanks

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UM2 part cooling Fans issues

by WDWHITE

Hi I'm having a few problems with my UM2 part cooling fans.

Most of the time they don't spin up during printing or when trying to adjust their speed using the front panel. Occasionally if you manually spin the fans they will spin slowly. It's as if they are not getting enough current.

I've checked the wires all the way back to the board for breaks and damage but they are all fine. When I put the multi-meter on to the fan output socket on the board I get 19v at a fan speed of 100% and 24v at a fan speed of 0% .

I don't think it is the fans them selves because when I put a 12v supply direct to the fans(individually) they both perform normally. I've got some replacements on order to try, just to confirm this is not the issue.

I suspect it might be an issue on the board.
I am just wondering what others are getting as an out put voltage on their UM2 So that I have some thing to compare mine to.

Any other suggestions would also be greatly appreciated.

Thanks in advance for you help.

UM2 UM2 part cooling fans
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need help with cura

by cool45

hello ultimaker owners i presume most of you use cura as your slicer of choice does anyone with version 3.2 feel like sharing already extracted version as i print on a school laptop and can't use an admin password, thank you.

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UMO+ Replacement Parts

by CBocka

Hello everyone,
I'm looking for a good website to get replacement parts for my UMO+. I need a new PT100 heat sensor for the hotend as well as the little metal block that the heating element, sensor, and nozzle are fit into. Any suggestion for websites? Haven't had much luck so far.

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Ultimaker Original Plus Dual Extruder Upgrade

by CBocka

Hello everyone,
I've been looking to add a second extruder to my UMO+. I've seen UMO+'s online with dual extruders but can't find any info on it. I noticed that Ultimaker sells an upgrade for the UM2 but haven't found one for the plus. Is there such an upgrade available? Or is it something that I'd have to do from scratch? Any input would be very much appreciated. I've found that I have little patience for removing support material so I'd like to start using PVA as soon as I can.

Best,

Christian

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UMO+ Driven Extruder Gear Issues

by CBocka

Hello Everyone,
I was running a print today on my Original Plus. I went to check on it about halfway through and found the cap nut that secures the wooden gear (the gear that is DRIVEN by the extruder motor) had spun off, causing the wooden gear to come loose. When it came loose, the plastic driving gear that is directly mounted to the motor did a fair amount of damage to the teeth on the wood gear. I'm thinking that for this specific part of the machine, wood was not the best option.

I'm currently drawing up a new gear on my 3D software so I can print a new one on my old printer.

Has anyone run into this issue before? Any solutions? I have to say that I am not a fan of the stock threaded axle (the one that the wooden gear is mounted on) that comes with the printer. i'm thinking some loctite on the threads once I install the new gear.

Any input will be greatly appreciated.

Thankyou,

Christian

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