IDLER PARTS REPLACEMENT With PC CF PRUSA XL

The critical idler parts holding the filament against the drive gear were initially made for the process XL with PETG. Using an enclosure, the heat would tend to allow these parts to flex and distort which reduce the pressure of the filament against the drive gear creating printing in the air. This was a real big problem that was improve dramatically by printing these parts with PC - CF polycarbonate - carbon fiber which is much more heat resistant. Step-by-step on how to do this for your
extruders is documented here.
Buy Carbon Fiber Polycarbonate 3D Printer Filament: amzn.to/3XZAfER
* please be advised that the above link is an affiliate link, and I do receive a small commission if you make a purchase which helps support videos like these
Here are the directions: help.prusa3d.c...
XL Printable Parts: www.printables...
Click Files then CORE XY for belt clamps
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[@azdronedude]

Dr. Joe it was great informational video thanks for sharing

[@azdronedude]

Doc what is the different between IDLER LEVER A and IDLER LEVER B for Prusa XL which one I have to print for my XL

[@JosephHunstad]

Thank you for your nice comment. I was actually disappointed that I obscured the view and probably needed to zoom in more on the individual steps. I might reshoot it. But I have the links to the directions and the STL so you can print those parts. They seem to work a lot better for me, but I’m still having problems with TPU. Consider subscribing. Thanks. Joe.

[@ScottHolman-z3v]

The belt clamps also need to be replaced. The PETG ones failed when the enclosure temp hit 48C on the same enclosure you have.

[@JosephHunstad]

Thank you very much for your comment. I just printed my belt clamps out of PC - CF getting ready to install those and possibly a video. Thanks for your comment. Thank you for your help. Consider subscribing.

[@JosephHunstad]

Thank you for your comment. You’re absolutely right. I did download and print those and I put a video on their installation. Thank you consider subscribing. Joe.

[@SidekickElements]

I saw a video about CF filled filament releasing lots of tiny tiny fibres into your skin and into the air.
I think it's super dangerous and should be avoided at all costs.
(Same for resin printers...)

[@JosephHunstad]

Thank you for your comment. You make an excellent point. I do have a HEPA filter inside of my printer that I use that’s very effective. I purchased it from Voxel pla. It works very well. This is the material that Prusa recommends and comes now with their new printers. I will be mindful of this. Consider subscribing. Thanks. Joe.

[@williamerskine6035]

Can you add a link to the parts that need to be printed?

[@JosephHunstad]

Good question I absolutely will do that today. I will also link the step-by-step instructions from Prusa.