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                <title>
					                		Firmware 3.7.0-RC1 for Original Prusa i3 MK3S &amp; MK3 - General discussion, announcements and releases                                    </title>
                <link>https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/</link>
                <description>Prusa3D Forum Discussion Board</description>
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                <lastBuildDate>Sun, 10 May 2026 22:55:28 +0000</lastBuildDate>
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                <ttl>60</ttl>
                					                    <item>
                        <title>Re: Firmware 3.7.0-RC1 for Original Prusa i3 MK3S &amp; MK3</title>
                        <link>https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-136485</link>
                        <pubDate>Wed, 03 Apr 2019 17:57:41 +0000</pubDate>
                        <description><![CDATA[UPDATE: Final version is out]]></description>
                        <content:encoded><![CDATA[<B><COLOR color="#FF0000">UPDATE:</COLOR></B> Final version is out <a href="https://shop.prusa3d.com/forum/general-discussion-announcements-and-releases-f61/firmware-3-7-0-final-for-original-prusa-i3-mk3s-mk-t28802.html"><LINK_TEXT text="general-discussion-announcements-and-re ... 28802.html">https://shop.prusa3d.com/forum/general-discussion-announcements-and-releases-f61/firmware-3-7-0-final-for-original-prusa-i3-mk3s-mk-t28802.html</LINK_TEXT></a>]]></content:encoded>
                        <category domain="https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/">General discussion, announcements and releases</category>                        <dc:creator>Jakub Dolezal</dc:creator>
                        <guid isPermaLink="true">https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-136485</guid>
                    </item>
                                        <item>
                        <title>Re: Firmware 3.7.0-RC1 for Original Prusa i3 MK3S &amp; MK3</title>
                        <link>https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-136425</link>
                        <pubDate>Wed, 03 Apr 2019 08:05:01 +0000</pubDate>
                        <description><![CDATA[WOW    the 7x7 bed leveling really works well !!

thanks guys]]></description>
                        <content:encoded><![CDATA[<t>WOW    the 7x7 bed leveling really works well !!<br/>
<br/>
thanks guys</t>]]></content:encoded>
                        <category domain="https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/">General discussion, announcements and releases</category>                        <dc:creator>michael.r52</dc:creator>
                        <guid isPermaLink="true">https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-136425</guid>
                    </item>
                                        <item>
                        <title>Re: Firmware 3.7.0-RC1 for Original Prusa i3 MK3S &amp; MK3</title>
                        <link>https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-136362</link>
                        <pubDate>Tue, 02 Apr 2019 21:47:01 +0000</pubDate>
                        <description><![CDATA[Weird flashes ok, but says flashing failed, but firmware is installed and OK..... :?  :?  :?  :?]]></description>
                        <content:encoded><![CDATA[Weird flashes ok, but says flashing failed, but firmware is installed and OK..... :?  :?  :?  :?]]></content:encoded>
                        <category domain="https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/">General discussion, announcements and releases</category>                        <dc:creator>shaun.m3</dc:creator>
                        <guid isPermaLink="true">https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-136362</guid>
                    </item>
                                        <item>
                        <title>Re: Firmware 3.7.0-RC1 for Original Prusa i3 MK3S &amp; MK3</title>
                        <link>https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-136207</link>
                        <pubDate>Tue, 02 Apr 2019 00:52:11 +0000</pubDate>
                        <description><![CDATA[I am getting a lot of 
Error:No Line Number with checksum, Last Line: nnn
When printing over USB.]]></description>
                        <content:encoded><![CDATA[I am getting a lot of 
<CODE>Error:No Line Number with checksum, Last Line: nnn</CODE>
When printing over USB.]]></content:encoded>
                        <category domain="https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/">General discussion, announcements and releases</category>                        <dc:creator>Halle.s</dc:creator>
                        <guid isPermaLink="true">https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-136207</guid>
                    </item>
                                        <item>
                        <title>Re: Firmware 3.7.0-RC1 for Original Prusa i3 MK3S &amp; MK3</title>
                        <link>https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-135739</link>
                        <pubDate>Fri, 29 Mar 2019 18:08:08 +0000</pubDate>
                        <description><![CDATA[Prusa,  thanks for your dedication to continuous improvement of your products.  I have owned the MK3 for 1 year and have enjoyed the journey through it&#039;s evolution.  I appreciate all the imp...]]></description>
                        <content:encoded><![CDATA[<t>Prusa,  thanks for your dedication to continuous improvement of your products.  I have owned the MK3 for 1 year and have enjoyed the journey through it's evolution.  I appreciate all the improvements and especially the 7 x 7 leveling.  Previously I needed to add correction values into the firmware and still had variance in first layer at certain locations on build plate.  After leveling with the 7 x 7 my first layer is consisted over the entire build plate.  Leveling is also quick.  Thanks again and I look forward to even more enhancements.  <br/>
<br/>
Suggestion - I think our community could use a breakthrough in support material design in Slic3er PE.  It's good now, but I think enhancements here could allow users more freedom in their designs without having to design around supports.  If anyone can do it, Prusa can.</t>]]></content:encoded>
                        <category domain="https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/">General discussion, announcements and releases</category>                        <dc:creator>Bob</dc:creator>
                        <guid isPermaLink="true">https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-135739</guid>
                    </item>
                                        <item>
                        <title>Re: Firmware 3.7.0-RC1 for Original Prusa i3 MK3S &amp; MK3</title>
                        <link>https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-135427</link>
                        <pubDate>Wed, 27 Mar 2019 16:38:02 +0000</pubDate>
                        <description><![CDATA[In the 3.6 version, the calibration menu is between settings and statistics as shown in the manual.  Is it somewhere else for 3.7 because I am having trouble finding while trying calibrate m...]]></description>
                        <content:encoded><![CDATA[<t>In the 3.6 version, the calibration menu is between settings and statistics as shown in the manual.  Is it somewhere else for 3.7 because I am having trouble finding while trying calibrate my MMU2S for the first time.</t>]]></content:encoded>
                        <category domain="https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/">General discussion, announcements and releases</category>                        <dc:creator>Jamie</dc:creator>
                        <guid isPermaLink="true">https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-135427</guid>
                    </item>
                                        <item>
                        <title>Re: Firmware 3.7.0-RC1 for Original Prusa i3 MK3S &amp; MK3</title>
                        <link>https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-135058</link>
                        <pubDate>Mon, 25 Mar 2019 02:35:32 +0000</pubDate>
                        <description><![CDATA[Very impressed with the 7x7 levelling and by its speed. Seems like a big improvement :)]]></description>
                        <content:encoded><![CDATA[Very impressed with the 7x7 levelling and by its speed. Seems like a big improvement :)]]></content:encoded>
                        <category domain="https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/">General discussion, announcements and releases</category>                        <dc:creator>Olef</dc:creator>
                        <guid isPermaLink="true">https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-135058</guid>
                    </item>
                                        <item>
                        <title>Re: Firmware 3.7.0-RC1 for Original Prusa i3 MK3S &amp; MK3</title>
                        <link>https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-135044</link>
                        <pubDate>Sun, 24 Mar 2019 22:26:43 +0000</pubDate>
                        <description><![CDATA[Incredible result for the 7x7 Mesh bed levelling !
This is exactly what I was waiting for months !
My first layers are wonderful all over the surface for the first time !

Thank you Prusa, t...]]></description>
                        <content:encoded><![CDATA[<t>Incredible result for the 7x7 Mesh bed levelling !<br/>
This is exactly what I was waiting for months !<br/>
My first layers are wonderful all over the surface for the first time !<br/>
<br/>
Thank you Prusa, thanks community !</t>]]></content:encoded>
                        <category domain="https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/">General discussion, announcements and releases</category>                        <dc:creator>konfar.s</dc:creator>
                        <guid isPermaLink="true">https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-135044</guid>
                    </item>
                                        <item>
                        <title>Re: Firmware 3.7.0-RC1 for Original Prusa i3 MK3S &amp; MK3</title>
                        <link>https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-134896</link>
                        <pubDate>Sat, 23 Mar 2019 15:34:02 +0000</pubDate>
                        <description><![CDATA[FYI the error i keep getting directly after mesh bed leveling when it crashes into left side is:
Error:Excessive bed leveling correction: 2700 microns

restarting print fixes it without erro...]]></description>
                        <content:encoded><![CDATA[FYI the error i keep getting directly after mesh bed leveling when it crashes into left side is:<br/>
Error:Excessive bed leveling correction: 2700 microns<br/>
<br/>
restarting print fixes it without error.<br/>
<br/>
there is also this:
<QUOTE>Recv: echo:busy: processing<br/>
Recv: echo:busy: processing<br/>
Recv: echo:busy: processing<br/>
Recv: echo:enqueing "CRASH_DETECTEDX"<br/>
Recv: echo: cold extrusion prevented<br/>
Recv: tmc2130_home_enter(axes_mask=0x01)<br/>
Recv:   0 step=14 mscnt= 226<br/>
Recv: tmc2130_goto_step 0 29 2 1000<br/>
Recv: tmc2130_home_exit tmc2130_sg_homing_axes_mask=0x01<br/>
Recv: tmc2130_home_enter(axes_mask=0x02)<br/>
Recv: echo:busy: processing<br/>
Recv:   0 step=50 mscnt= 801<br/>
Recv: tmc2130_goto_step 1 49 2 1000<br/>
Recv: tmc2130_home_exit tmc2130_sg_homing_axes_mask=0x02<br/>
Recv: echo:enqueing "CRASH_RECOVER"<br/>
Recv: echo: cold extrusion prevented<br/>
Recv: Resend: 1<br/>
Recv: ok</QUOTE>]]></content:encoded>
                        <category domain="https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/">General discussion, announcements and releases</category>                        <dc:creator>tj</dc:creator>
                        <guid isPermaLink="true">https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-134896</guid>
                    </item>
                                        <item>
                        <title>Re: Firmware 3.7.0-RC1 for Original Prusa i3 MK3S &amp; MK3</title>
                        <link>https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-134862</link>
                        <pubDate>Sat, 23 Mar 2019 03:15:48 +0000</pubDate>
                        <description><![CDATA[Hi,
what are the pro&#039;s and con&#039;s of turning on/off magnet compensation ??????

Texy


I am also curious about this.  Given all the magnets are in the same place on every MK3 and MK3S what ca...]]></description>
                        <content:encoded><![CDATA[<QUOTE author="Texy" post_id="134282" time="1552988732" user_id="86972">
Hi,<br/>
what are the pro's and con's of turning on/off magnet compensation ??????<br/>
<br/>
Texy
</QUOTE>

I am also curious about this.  Given all the magnets are in the same place on every MK3 and MK3S what cases would there be for choosing one over the other.  It seems if on is best then it should be best for all MK3's.  I understand having the ability to turn on or off for testing situations but what is the best practice setting?]]></content:encoded>
                        <category domain="https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/">General discussion, announcements and releases</category>                        <dc:creator>gminnick</dc:creator>
                        <guid isPermaLink="true">https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-general-discussion-announcements-and-releases/firmware-3.7.0-rc1-for-original-prusa-i3-mk3s-mk3-2/paged/2/#post-134862</guid>
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