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		<id>https://hyrel3d.com/wiki/index.php?action=history&amp;feed=atom&amp;title=EHR_orig</id>
		<title>EHR orig - Revision history</title>
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		<updated>2026-04-09T23:32:22Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://hyrel3d.com/wiki/index.php?title=EHR_orig&amp;diff=7949&amp;oldid=prev</id>
		<title>Davo: Created page with &quot;Category:Hardware Category:Printers {| align=&quot;right&quot;  | __TOC__  |}  The EHR is our High Resolution unenclosed printer designed for bioprinting on the desktop or insid...&quot;</title>
		<link rel="alternate" type="text/html" href="https://hyrel3d.com/wiki/index.php?title=EHR_orig&amp;diff=7949&amp;oldid=prev"/>
				<updated>2024-07-18T13:16:25Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;&lt;a href=&quot;/wiki/index.php/Category:Hardware&quot; title=&quot;Category:Hardware&quot;&gt;Category:Hardware&lt;/a&gt; &lt;a href=&quot;/wiki/index.php/Category:Printers&quot; title=&quot;Category:Printers&quot;&gt;Category:Printers&lt;/a&gt; {| align=&amp;quot;right&amp;quot;  | __TOC__  |}  The EHR is our High Resolution unenclosed printer designed for bioprinting on the desktop or insid...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[[Category:Hardware]]&lt;br /&gt;
[[Category:Printers]]&lt;br /&gt;
{| align=&amp;quot;right&amp;quot; &lt;br /&gt;
| __TOC__ &lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
The EHR is our High Resolution unenclosed printer designed for bioprinting on the desktop or inside of a fume hood.&lt;br /&gt;
&lt;br /&gt;
[[File:EHR.png|400px]]&lt;br /&gt;
&lt;br /&gt;
== Technical Data ==&lt;br /&gt;
&lt;br /&gt;
Technical specifications and accessory compatibility for printers currently shipping are detailed in the comparison chart on the '''[[Printer Overview]]''' page.&lt;br /&gt;
&lt;br /&gt;
== History ==&lt;br /&gt;
&lt;br /&gt;
All improvements introduced were implemented to the existing line, obsoleting previous versions (with no price increases):&lt;br /&gt;
&lt;br /&gt;
* The EHR was introduced in 2016, equipped with precision ball screws in all axes. It is able to print in wellplates and fits in most fume hoods.&lt;br /&gt;
* We introduced sub-ambient (chilled) beds and syringe heads specifically for the EHR in 2020.&lt;br /&gt;
* The EHR v2 began shipping in January 2021, equipped with better motors with closed-loop feedback and quieter operation. &lt;br /&gt;
* As of June 2021, all units are CE marked.&lt;br /&gt;
&lt;br /&gt;
== Internals ==&lt;br /&gt;
&lt;br /&gt;
Here is an explanation of the internal electronics of the EHR; click any images for larger versions:&lt;br /&gt;
&lt;br /&gt;
=== Controls Compartment ===&lt;br /&gt;
&lt;br /&gt;
The interior of the EHR holds the ATX Power Supply, the Tablet Interface Board, and the X, Y, and Z Axis controllers.&lt;br /&gt;
&lt;br /&gt;
[[File:ESR_Internals_2021.jpg|600px]]&lt;br /&gt;
&lt;br /&gt;
=== Tablet Interface Board ===&lt;br /&gt;
&lt;br /&gt;
Tablet Interface Board (with STM407 Motion Controller) has Internal and External Ports.&lt;br /&gt;
&lt;br /&gt;
The current board, circa 2021.&lt;br /&gt;
&lt;br /&gt;
[[File:16A_TIB_2021_L.jpg|600px]]&lt;/div&gt;</summary>
		<author><name>Davo</name></author>	</entry>

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