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  <channel>
    <title>General Questions</title>
    <description>General Questions</description>
    <pubDate>Mon, 16 Mar 2026 03:51:42 +0000</pubDate>
    <lastBuildDate>Mon, 16 Mar 2026 03:51:42 +0000</lastBuildDate>
    <generator>ROBO 3D User Forum</generator>
    <link>http://community.robo3d.com/index.php?forums/general-questions.86/</link>
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    <item>
      <title>Fan voltages?</title>
      <pubDate>Thu, 16 Oct 2025 13:05:16 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/fan-voltages.24999/</link>
      <guid>http://community.robo3d.com/index.php?threads/fan-voltages.24999/</guid>
      <author>invalid@example.com (Lazytron)</author>
      <dc:creator>Lazytron</dc:creator>
      <content:encoded><![CDATA[Are all of the part/heatsink fans on the extruder end 12v? Just had the heatsink fan die and a couple of places  mention of 24v (most of those in the course of modding) so I wanted to clarify before moving forward.]]></content:encoded>
      <slash:comments>8</slash:comments>
    </item>
    <item>
      <title>Selling R2</title>
      <pubDate>Fri, 29 Nov 2024 14:07:23 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/selling-r2.25024/</link>
      <guid>http://community.robo3d.com/index.php?threads/selling-r2.25024/</guid>
      <author>invalid@example.com (AlienBeans)</author>
      <dc:creator>AlienBeans</dc:creator>
      <content:encoded><![CDATA[Anybody in here interested in buying an R2 printer?  Need to get it sold and thought this would be the place to start with.   I have no asking price in mind, so if you are interested, I&#039;m willing to work with you. I still have the original box it was shipped in.]]></content:encoded>
    </item>
    <item>
      <title>OctoEverywhere/equivalent?</title>
      <pubDate>Wed, 19 Jun 2024 00:12:25 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/octoeverywhere-equivalent.24994/</link>
      <guid>http://community.robo3d.com/index.php?threads/octoeverywhere-equivalent.24994/</guid>
      <author>invalid@example.com (Lazytron)</author>
      <dc:creator>Lazytron</dc:creator>
      <content:encoded><![CDATA[Seems like the Robo version isn&#039;t compatible, is there an update to octoprint or a different plugin that would be worth exploring for remote access without having to set up a vpn/forwarding?]]></content:encoded>
      <slash:comments>13</slash:comments>
    </item>
    <item>
      <title>What slicer to use?</title>
      <pubDate>Sun, 24 Mar 2024 13:10:38 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/what-slicer-to-use.24968/</link>
      <guid>http://community.robo3d.com/index.php?threads/what-slicer-to-use.24968/</guid>
      <author>invalid@example.com (Lazytron)</author>
      <dc:creator>Lazytron</dc:creator>
      <content:encoded><![CDATA[Hey folks, <br />
<br />
Years since I tried to mess with this old machine. I&#039;ve got some SLA time under my belt now, and I thought I&#039;d come back to it as a hobby project. Looks like the bios is 2.0.0-r2.6. Is there a particular slicer/version I should be using for compatibility? Id like to avoid flashing the OS unless it&#039;s critical.<br />
<br />
Thanks!]]></content:encoded>
      <slash:comments>2</slash:comments>
    </item>
    <item>
      <title>Looking for suggestions to silent the printer</title>
      <pubDate>Thu, 21 Mar 2024 11:09:12 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/looking-for-suggestions-to-silent-the-printer.24013/</link>
      <guid>http://community.robo3d.com/index.php?threads/looking-for-suggestions-to-silent-the-printer.24013/</guid>
      <author>invalid@example.com (tiagomaricate)</author>
      <dc:creator>tiagomaricate</dc:creator>
      <content:encoded><![CDATA[I&#039;d like to put the print in my office.<br />
But the noise emissions from the fans and drivers don&#039;t allow anybody to concentrate.<br />
I see some printer with almost no noise while printing.<br />
I was thinking if there is a way to silent swapping the drivers or fans but not sure if is ”simple that way”.<br />
Any thoughts?]]></content:encoded>
      <slash:comments>15</slash:comments>
    </item>
    <item>
      <title>PID tuning and Marlin</title>
      <pubDate>Thu, 21 Mar 2024 10:40:31 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/pid-tuning-and-marlin.19468/</link>
      <guid>http://community.robo3d.com/index.php?threads/pid-tuning-and-marlin.19468/</guid>
      <author>invalid@example.com (WheresWaldo)</author>
      <dc:creator>WheresWaldo</dc:creator>
      <content:encoded><![CDATA[To PID tune your printer : <br />
<br />
The <b>M304 </b>command is for setting Bed PID values and not actually an offset, you would use it like this. Execute a command to autotune Bed PID:<br />
<ol>
<li><b>M303 E-1 C8 S60 - </b>this will set bed temp at 60°C for 8 cycles, the result will be expressed as kP, kI and kD values.</li>
<li>When you get the results you can insert them into memory with <b>M304 Pnnn Innn Dnnn</b> ; replace the nnnn with the number you got.</li>
<li>You can then save them permanently by...</li>
</ol><br />
<a href="http://community.robo3d.com/index.php?threads/pid-tuning-and-marlin.19468/" class="internalLink">PID tuning and Marlin</a>]]></content:encoded>
      <slash:comments>15</slash:comments>
    </item>
    <item>
      <title>Robo R2 needs to go</title>
      <pubDate>Fri, 24 Nov 2023 10:14:24 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/robo-r2-needs-to-go.24951/</link>
      <guid>http://community.robo3d.com/index.php?threads/robo-r2-needs-to-go.24951/</guid>
      <author>invalid@example.com (Paul1967)</author>
      <dc:creator>Paul1967</dc:creator>
      <content:encoded><![CDATA[Hey all. I have to make room and so the R2 needs to find a new home, or it heads to the trash. It works and comes with a couple $100s in spare parts.  If you&#039;re in New England or near where you can drive and come get it let me know <a href="mailto:pdyl@ec.rr.com">pdyl@ec.rr.com</a>]]></content:encoded>
    </item>
    <item>
      <title>V2 Bed Over 80C??</title>
      <pubDate>Wed, 16 Aug 2023 12:22:40 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/v2-bed-over-80c.23897/</link>
      <guid>http://community.robo3d.com/index.php?threads/v2-bed-over-80c.23897/</guid>
      <author>invalid@example.com (adikted2astro)</author>
      <dc:creator>adikted2astro</dc:creator>
      <content:encoded><![CDATA[Hey guys, so about 2 years ago (maybe), I was printing with ABS or maybe TPU; something that required a lot of heat on the bed (V2). I took it to 100 C and it worked for a while, then the bed heater cable fried - quite literally - along with part of the main board, and of course, the bed itself. So I called Robo and they told me to never take the bed over 80C, that in reality, it shouldn&#039;t go above 70C because a lot of the beds were doing this. That kinda sucks because it&#039;s supposed to be...<br />
<br />
<a href="http://community.robo3d.com/index.php?threads/v2-bed-over-80c.23897/" class="internalLink">V2 Bed Over 80C??</a>]]></content:encoded>
      <slash:comments>26</slash:comments>
    </item>
    <item>
      <title>Auto level</title>
      <pubDate>Mon, 31 Jul 2023 18:26:25 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/auto-level.24938/</link>
      <guid>http://community.robo3d.com/index.php?threads/auto-level.24938/</guid>
      <author>invalid@example.com (Lance Weston)</author>
      <dc:creator>Lance Weston</dc:creator>
      <content:encoded><![CDATA[Does anyone know what the range of the auto level is?]]></content:encoded>
      <slash:comments>2</slash:comments>
    </item>
    <item>
      <title>ROBO R2 z axis auto go down, help !</title>
      <pubDate>Tue, 17 Jan 2023 17:35:21 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/robo-r2-z-axis-auto-go-down-help.24867/</link>
      <guid>http://community.robo3d.com/index.php?threads/robo-r2-z-axis-auto-go-down-help.24867/</guid>
      <author>invalid@example.com (SOHA)</author>
      <dc:creator>SOHA</dc:creator>
      <content:encoded><![CDATA[I&#039;ve been using R2 for 4 5 years and this week it has really annoying problem :<br />
- When the filament breaking and filament did not pass the sensor, R2 will be stopped for us to change/ load the new filament again BUT the table did not stay at the recent printing position.<br />
- The first days, it kept stopped position for few hours (up to 3 hours) until I figured out and changed the filament.<br />
- Recently, it even went down immediately when R2 stopped. And of course I have to start again from...<br />
<br />
<a href="http://community.robo3d.com/index.php?threads/robo-r2-z-axis-auto-go-down-help.24867/" class="internalLink">ROBO R2 z axis auto go down, help !</a>]]></content:encoded>
    </item>
    <item>
      <title>Optimal Heat Break Length</title>
      <pubDate>Tue, 22 Nov 2022 23:01:26 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/optimal-heat-break-length.24856/</link>
      <guid>http://community.robo3d.com/index.php?threads/optimal-heat-break-length.24856/</guid>
      <author>invalid@example.com (Lance Weston)</author>
      <dc:creator>Lance Weston</dc:creator>
      <content:encoded><![CDATA[In the past I have had some brands of plastic that always seem to clog the print head at some point during the print.  I have avoided those and have not had problems until recently.  I use the E3D J6 short wade printheads.  These are all dirt cheap and come from China, but the quality control of all the parts ( throats, heatsink and nozzle) are terrible.  I got the same failure to complete with clog on a brand of filament I use a lot of.  I replaced the print head and the problem was gone,...<br />
<br />
<a href="http://community.robo3d.com/index.php?threads/optimal-heat-break-length.24856/" class="internalLink">Optimal Heat Break Length</a>]]></content:encoded>
      <slash:comments>2</slash:comments>
    </item>
    <item>
      <title>How to import a 3D scanned model to Robo Cloud？</title>
      <pubDate>Fri, 14 Oct 2022 15:31:38 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/how-to-import-a-3d-scanned-model-to-robo-cloud%EF%BC%9F.24849/</link>
      <guid>http://community.robo3d.com/index.php?threads/how-to-import-a-3d-scanned-model-to-robo-cloud%EF%BC%9F.24849/</guid>
      <author>invalid@example.com (syrial)</author>
      <dc:creator>syrial</dc:creator>
      <content:encoded><![CDATA[To 3D print any movie figures and household products, I buy a <span style="color: #808080">3d scanner</span> for 3D printer. I used it to scan many movie figure models and some household products. This 3D scanner can export STL file. But I don&#039;t know how to upload the STL to Robo Cloud.]]></content:encoded>
      <slash:comments>2</slash:comments>
    </item>
    <item>
      <title>Raspberry Pi</title>
      <pubDate>Tue, 04 Oct 2022 18:35:42 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/raspberry-pi.24694/</link>
      <guid>http://community.robo3d.com/index.php?threads/raspberry-pi.24694/</guid>
      <author>invalid@example.com (Lance Weston)</author>
      <dc:creator>Lance Weston</dc:creator>
      <content:encoded><![CDATA[Can I substitute a B+ for the B version?]]></content:encoded>
      <slash:comments>10</slash:comments>
    </item>
    <item>
      <title>Any admin present?</title>
      <pubDate>Sat, 01 Oct 2022 08:41:17 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/any-admin-present.24826/</link>
      <guid>http://community.robo3d.com/index.php?threads/any-admin-present.24826/</guid>
      <author>invalid@example.com (Ellaine)</author>
      <dc:creator>Ellaine</dc:creator>
      <content:encoded><![CDATA[trying to post a thread but keep saying I have spam like content. I promise i dont]]></content:encoded>
      <slash:comments>10</slash:comments>
    </item>
    <item>
      <title>What happens as the power supply brick fails</title>
      <pubDate>Sat, 01 Oct 2022 08:33:39 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/what-happens-as-the-power-supply-brick-fails.24825/</link>
      <guid>http://community.robo3d.com/index.php?threads/what-happens-as-the-power-supply-brick-fails.24825/</guid>
      <author>invalid@example.com (Lance Weston)</author>
      <dc:creator>Lance Weston</dc:creator>
      <content:encoded><![CDATA[I had a power supply gradually fail on an R2.   I noticed that I occasionally got a bed heater failures which got increasingly more often until the R2 would no longer get the bed hot enough.  I measured the voltage of the brick under load at 13.4v at failure.  Although a new 24v power supply did produce a better finish, the difference was so small that I really had to look hard to find it.]]></content:encoded>
      <slash:comments>1</slash:comments>
    </item>
    <item>
      <title>Mosquito hotends?</title>
      <pubDate>Sat, 27 Aug 2022 16:50:37 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/mosquito-hotends.24132/</link>
      <guid>http://community.robo3d.com/index.php?threads/mosquito-hotends.24132/</guid>
      <author>invalid@example.com (Mechman95)</author>
      <dc:creator>Mechman95</dc:creator>
      <content:encoded><![CDATA[Didnt see any posts about it but was wondering if anyone has tried either of the mosquito hotends on a robo r2? Not looking to upgrade soon but wanted to know if it was a plug and play replacement or a more destructive replacement. The Mosquito and Copperhead both look to be shorter than a hexagon ( not entirely sure because im getting different measurements on the total length of the hexagon from each seller compared to my own hexagon.) Just wondering if anyone had any opinion on their use.]]></content:encoded>
      <slash:comments>10</slash:comments>
    </item>
    <item>
      <title>Pristine R2 System board</title>
      <pubDate>Sat, 30 Jul 2022 11:47:30 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/pristine-r2-system-board.24744/</link>
      <guid>http://community.robo3d.com/index.php?threads/pristine-r2-system-board.24744/</guid>
      <author>invalid@example.com (Lance Weston)</author>
      <dc:creator>Lance Weston</dc:creator>
      <content:encoded><![CDATA[I just picked up a used R2.  It has a working system board in great shape.  I use the Partsbuilt boards and want to sell the system board.  $75 plus shipping.]]></content:encoded>
      <slash:comments>2</slash:comments>
    </item>
    <item>
      <title>Sleeve bearings</title>
      <pubDate>Wed, 02 Mar 2022 04:43:42 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/sleeve-bearings.24752/</link>
      <guid>http://community.robo3d.com/index.php?threads/sleeve-bearings.24752/</guid>
      <author>invalid@example.com (Lance Weston)</author>
      <dc:creator>Lance Weston</dc:creator>
      <content:encoded><![CDATA[The R2 I just got had very little wear so I was surprised when I pulled up on the printhead and felt tremendous slop in the sleeve bearings in the bushing blocks.   <br />
<br />
I would like to know if others have the same slop.]]></content:encoded>
      <slash:comments>1</slash:comments>
    </item>
    <item>
      <title>E3D Revo and R2</title>
      <pubDate>Sun, 27 Feb 2022 01:24:46 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/e3d-revo-and-r2.24766/</link>
      <guid>http://community.robo3d.com/index.php?threads/e3d-revo-and-r2.24766/</guid>
      <author>invalid@example.com (Jutte)</author>
      <dc:creator>Jutte</dc:creator>
      <content:encoded><![CDATA[Curious whether this hotend is compatible with the R2? I have arthritic hands and changing nozzles is difficult and painful. <br />
<a href="https://e3d-online.com/products/revo-six" target="_blank" class="externalLink" rel="nofollow">https://e3d-online.com/products/revo-six</a><br />
<br />
Sent from my SM-T733 using Tapatalk]]></content:encoded>
      <slash:comments>1</slash:comments>
    </item>
    <item>
      <title>Help me understand Auto Leveling commands</title>
      <pubDate>Fri, 11 Feb 2022 05:16:30 +0000</pubDate>
      <link>http://community.robo3d.com/index.php?threads/help-me-understand-auto-leveling-commands.24749/</link>
      <guid>http://community.robo3d.com/index.php?threads/help-me-understand-auto-leveling-commands.24749/</guid>
      <author>invalid@example.com (Lance Weston)</author>
      <dc:creator>Lance Weston</dc:creator>
      <content:encoded><![CDATA[The original Robo only understood G29, go do auto level.  The two eeprom variables are probe offset and z offset.  I do not understand why there is a need for two variables.  I have tried modifying the probe offset and it does not have any effect.  Is this only read on power up.  Is it used at all?  The trim adjustment is z offset.<br />
<br />
The latest code has G36 which executes G35, find the probe offset followed by a G29.  How can G35 make use of probe offset when If I manually modify probe offset...<br />
<br />
<a href="http://community.robo3d.com/index.php?threads/help-me-understand-auto-leveling-commands.24749/" class="internalLink">Help me understand Auto Leveling commands</a>]]></content:encoded>
      <slash:comments>3</slash:comments>
    </item>
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