BIGTREETECH® Hotend All Metal 3D Printer Part Kits for CR10 with Heat Break + Heatsink + Hardened Steel Nozzle + Heatikn

Recommended slicer setting  retraction speedover 80MM Sretraction length 2 5 4MM If you are facing PLA clogging problem please try the followings  1 Increase the retraction speed The speed may have beinglimited in the firmware try to change it M203 E200 2 Increase the extruderacceleration check your firmware settings M201 E9000 3 Reduce the retraction length it depends on your machine setup 4 Increase the nozzle temperature by 5 10 degrees 5 Do not install the 2 screws for support the heatblcok like the stock hotend on theCR 10 printer 6 Make sure that there is no gaps between the heatsink and the heat breaker   Note The color of silicone sock will send randomly as gift  Package Included   1 x Heatsink  1 x Heat Break 1 x Nozzle 1 x Heating Block