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Merge pull request #335 from CodeDev1809/master

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Fixed Typo
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teachingtechYT
2021-07-28 08:58:22 +10:00
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troubleshooting.html
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@ -370,7 +370,7 @@ z_probe: open</pre>
<li>You should have <b>G29</b> (probe bed for ABL) AFTER <b>G28</b> (homing) in your start gcode. By default, G28 clears any saved meshes.</li>
<li>Manually levelling the bed to get it as close to flat as possible. ABL has bounds on how much it can compensate, so providing a reasonable starting point will assist the process.</li>
<li>Probing when the bed is up to printing temp. Most 3D printer beds are prone to distortion when heated. Don't probe and store a mesh when it is cool, but apply that mesh when printing hot.</li>
<li>Temporarily cutting power to the heated bed when probing. Some probes other than the BLtouch are affected by the current going through the heated bed elements. In this case, the bed should be brought up to temp, turned off for probing and then turned back omn before printing.</li>
<li>Temporarily cutting power to the heated bed when probing. Some probes other than the BLtouch are affected by the current going through the heated bed elements. In this case, the bed should be brought up to temp, turned off for probing and then turned back on before printing.</li>
<li>Slowing down the vertical feedrate during probing. When setting up the firmware for ABL, the vertical speed the probe travels can be set. The slower the descent towards the bed, the greater the accuracy, at the expense of overall mesh generation duration.</li>
<li>Some people have good experiences with clone BLtouch probes and some people hate them. I believe they are both right. By that I mean the quality of the clone probes may be variable.</li>
<li>This one comes courtesy of my patron <i>ucirello</i>: BLTouch wires are not shielded. Under the right circumstances the electromagnetic interference throws off the precision. One way to test for that is to run M48 with heaters off, take the number, the run M48 with heaters on (both bed and nozzle). (M48 is covered below). If they differ too much, that could be the source of the problem.<br />